DJI Agras T50 OEM Charger Station Butler / Control Board

DJI Agras T50 OEM Charger Station Butler / Control Board — a replacement management and control board used inside compatible DJI Agras T50 charging-station electronics. This board coordinates communication, control logic, and supervisory functions between charging-system subsystems.

🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

Ares Acres LLC supplies charging-station electronics for operators, dealers, and repair facilities maintaining DJI Agras battery infrastructure. Control-board failures can prevent an otherwise functional charging station from communicating, sequencing power correctly, or completing normal charge operations.

We use specialized technicians to verify and dispatch the Charger Station Butler / Control Board ordered.

Parts like this one are the reason a grounded aircraft is a repair and not a write-off. A single component held in U.S. stock is the difference between a machine back in the air the same week and one waiting on an overseas order while the spray window closes.

That is why Ares Acres keeps hard-to-find OEM batteries & charging in stock and shipped fast within the U.S.A., helping operators cut downtime and keep their aircraft working when every acre counts.

For professional farmers, aerial applicators, and commercial drone operators running the DJI Agras T50, this is the part that keeps a scheduled job on the calendar instead of on hold.

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✅ Compatibility

• DJI Agras T50 charging-station systems using the matching control-board generation

Charging-station electronics are revision-sensitive. Confirm board shape, connector layout, QR/part markings, firmware generation, and charging-station model before ordering.

📦 Package Includes

One charger-station butler / manager / control board in the supplier-listed configuration. Power modules, AC/DC boards, fans, display panel, wiring harnesses, charger housing, and batteries are not assumed included.

🔧 Component Overview

This board acts as a supervisory electronics layer within the charging station. Depending on system revision, it may manage communication between power modules, monitor operating states, coordinate startup or shutdown sequencing, report faults, and interface with other charger electronics.

Inside the charging station this board is the low-voltage supervisory layer, mounted alongside the high-current path rather than in it. Charge current is handled by the AC input stage and the DC power module or modules; the butler board sits on standoffs near them and reaches everything else through connectors rather than busbars. Depending on station revision those connections usually include power-module control and status lines, fan and thermal sensing, the display panel, and the communication lines running out to each battery port so the station can talk to a pack before committing current to it. Nothing this board does moves power. Everything it does decides whether power moves.

Charging stations live in worse conditions than the aircraft do. They ride in truck beds and on trailers, get set down on gravel beside a running generator, and sit out the winter in an unheated shed where every warm afternoon drives another condensation cycle across the board. So they tend to fail at their edges rather than in their logic: corroded or backed-out connector pins, solder fatigue at the heavier through-hole parts that road vibration works on, moisture tracking across a header. Before condemning the board, pull every connector, look at the pins under good light, and reseat them.

Know which board you are holding before you order or fit anything, because a T50 charging station contains several and they are not interchangeable. The DC power module is the one with substantial heatsinking, heavy gauge wiring, and high current terminals or busbars, and it is what actually converts and delivers charge. The AC input stage carries the inlet, the switching or relay hardware, and the large filter and bulk capacitors, with wide clearance slots cut in the laminate around the mains side. The display or panel board carries the user interface and little else. The butler board is the one covered in small signal connectors with no thick copper anywhere on it.

Identify the specific board by its own markings rather than by shape. Charging station electronics go through revisions, and two boards can share an outline and a connector count while differing in firmware generation, connector keying, or which functions live where. Photograph the board in the station from directly above before you remove anything, including the label, the QR marking, and any silkscreen revision code near the board edge. That photograph is what lets us confirm a match, and it is also what tells you which way the harnesses ran when it is time to put the new one in.

Handle it as static sensitive from the moment it leaves the bag. Work on a bare bench rather than carpet or a truck seat, ground yourself on the station chassis before touching the board, hold it by its edges rather than across the connectors, and leave the replacement in its antistatic bag until the old one is out and the standoffs are clear. Static damage does not announce itself. It shows up as a board that works for a week and then starts throwing the same intermittent faults you just paid to make go away.

Between seasons, the enclosure is what protects this board and it only works if it is intact. Store the station indoors or at least somewhere the temperature does not swing hard enough to condense moisture on cold electronics every warm afternoon. Keep the lid, the gaskets, and the cable glands complete, because a missing screw or a torn seal is how field dust, mist from a wash down, and mice get to the one board in the station that cannot tolerate any of them.

⚙️ Functional Purpose

• Coordinates charging-station control logic.
• Supports communication between charger subsystems.
• Helps manage charging sequence and state supervision.
• Supports fault reporting and system-level control.
• Interfaces with compatible power and sensor modules.

The practical job of this board is arbitration and sequencing, and that is what an operator notices when it goes wrong. It reads each pack over the communication line, decides the order and timing in which ports are served, backs down when thermal sensing says to, and latches a fault instead of continuing. A sick supervisory board can still pass current but loses that schedule: ports served out of order, charges that stall short of full, sessions that restart themselves, a station that will not begin until it is power-cycled.

Separate the station from its supply before you separate the board from the station. Run the station on known good mains in the shop, on a circuit you trust, with nothing else heavy on it, and watch what it does from cold. Note whether the display comes up, whether the fans run and then settle, whether the station enumerates its ports, and how long it takes to reach whatever it does instead of charging. A fault that is repeatable on clean shop power at a predictable point in the startup sequence is a real fault. A fault that only appears in the field is a supply or environment problem until proven otherwise.

The cheapest test on a station that died overnight is patience. Bring it inside, open the enclosure, and let it sit warm and dry for several hours or overnight before you power it up again. Moisture that has condensed across a header or under a connector shell will conduct just enough to hold a line where it should not sit, and the station comes back to life on its own once it is genuinely dry. If drying restores normal operation, the board is probably sound and the real job is finding where water is getting in and fixing the storage habit.

Watch the board itself during a power up attempt if you are qualified to have the enclosure open under power. Any indicator on the board, and the order in which the fans, the display, and the port hardware come alive, tells you how far the startup sequence gets before it stops. A station that never gets past its first step is telling you something different from one that runs the whole sequence, offers ports, and then refuses to commit current. Write down the sequence and the timing before you change anything, because that description is the most useful thing you can give a service center or send us with a photo.

⚠️ Common Replacement Indicators

Suspect this board when the charger powers partially but will not initialize correctly, fails to communicate with other modules, reports repeated control faults, does not sequence charging normally, or has visible component damage, corrosion, burnt areas, or damaged connectors.

The station powers up, fans and display come alive, but it never proceeds to charge on any port. Partial power with no progression is the classic supervisory-layer signature: the power path is plainly alive and something upstream of it is refusing to commit.

Handshake or communication faults with packs that charge normally in another station. If the fault follows the station rather than the battery, the communication side of this board is a fair suspect.

Intermittent resets, a display that flickers or reboots mid-session, or behavior that changes as the enclosure warms up. Marginal low-voltage supply and heat-fatigued solder joints both present this way, and both get worse rather than better.

Visible damage at the board edge: corrosion on header pins, a discolored connector shell, a cracked or lifted joint at a relay or a large electrolytic, or rodent evidence in the enclosure after winter storage.

The station runs and charges but the display stays dark, garbled, or frozen. Before condemning the panel, reseat its harness at both ends and inspect the pins, because the panel interface lives on the supervisory board and a display fault with charging otherwise normal points at that interface rather than at the panel itself.

Fans run flat out from the moment power is applied and never settle, or they never spin at all while the modules climb in temperature. Both are the thermal sensing and fan control interface failing in opposite directions, and a station that cannot regulate its own cooling will damage things far more expensive than this board.

Charging begins on a port and drops out a few seconds later, repeatedly, across every port and with several packs. A supervisory layer that commits current and then withdraws it is failing at arbitration rather than at delivery, which is the pattern that separates this board from a power module fault.

The station will not start until it has been unplugged and plugged back in, and it needs that treatment more often as the season goes on. An initialization that only completes after a full power cycle is a supervisory board with a marginal reset or supply condition, and it worsens rather than settles.

A vinegar or fishy smell, white or green crust, or a dusty residue on the board after winter storage. Something has been condensing or leaking inside the enclosure, and even where the station still works the tracking across a header will get worse every cycle from here on.

One pack charges normally, but the station will not bring a second port online at all. Deciding how many ports get served and in what order is exactly this board's job, and a station that manages one at a time when it used to manage more is showing you a sequencing failure rather than a power shortage.

🔍 Diagnostic Checklist

• Verify AC input and upstream power modules first.
• Inspect all board connectors and ribbon cables.
• Check for water, corrosion, heat, or impact damage.
• Confirm cooling fans and temperature sensing.
• Inspect DC power modules for independent faults.
• Compare board identifiers with the original part.

🧰 Installation Considerations

Disconnect all AC power and batteries before opening the charging station. High-voltage capacitors can retain energy after shutdown; qualified service procedures should be followed. Use ESD protection when handling control electronics. Reconnect harnesses exactly as removed and verify connector locking before reassembly.

📐 Product Specifications

• Product: Charger Station Butler / Control Board
• Aircraft Ecosystem: DJI Agras T50
• System: Charging station electronics
• Condition: New replacement component
• Product Type: Batteries & Charging
• Primary Function: Charging-system management and communication

Position in station: Low-voltage supervisory board, mounted alongside rather than in series with the AC input stage and DC power modules

Does not carry: Battery charge current. This is the control layer, not a power converter.

Published electrical data: DJI does not publish rail voltages, connector pinouts, or firmware part numbers for this board. Identify it by the markings on the board you are removing.

Board identification: Identify by the label, QR marking, and any silkscreen revision code on the board you are removing, photographed before removal. Outline and connector count alone are not enough to establish a match across station revisions.

Handling and ESD: Static sensitive. Ground yourself to the station chassis before handling, hold the board by its edges, and keep the replacement in its antistatic bag until the standoffs are clear. Static damage typically appears later as intermittent faults rather than immediately as a dead board.

Connector labeling: No pinout or harness map is published for this board. Label every connector with tape flags and photograph the layout before disconnecting anything, since similar shells in adjacent positions are the usual cause of a station that behaves strangely after an otherwise clean repair.

Mounting hardware: Standoff screws are not itemized here. Keep them separated by position, note any insulating or shouldered washers, and set them snug rather than tight, because a board pulled down hard on an uneven standoff stack takes stress across the laminate every time the truck hits a pothole.

Supply quality: No input specification for the station is published in the supplier source. Logic and communication circuits are less tolerant of sag and switching excursions than the high current path is, so a stable supply is the single best thing you can do to make a replacement board last.

🧰 Fitment Verification Before You Order

Confirm fitment by part number before ordering. Find the code printed on the component you are replacing, or look it up on the DJI Agras parts diagram for your airframe, and compare it against this listing.

Revision suffixes are still the same part. DJI labels sometimes carry a trailing revision such as .01, .02, or .F. Those denote a production revision, not a different component. Match the base number and disregard the suffix.

Visually similar is not the same. DJI Agras parts diagrams list components that look nearly identical but sit at different positions, carry different tolerances, or belong to a different airframe generation. Ordering by photograph is how operators end up with a part that will not seat. Order by number.

Verified fitment for this listing: DJI Agras T50. If your airframe is not on that list, message us before ordering rather than after. We would rather answer a question than process a return, and so would you.

Not sure? Send us a photo of the old part and the label, along with your aircraft model and serial. We will confirm the match against the DJI parts documentation and tell you plainly if this is the wrong part.

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🛠️ Installation & Handling Notes

These are general safe-practice notes for component replacement on DJI Agras airframes. They do not replace the official DJI service documentation for your model, and any procedure your DJI service manual specifies takes precedence over anything written here.

Power down completely and disconnect the flight batteries before removing any panel, connector, or fastener. Agras airframes hold residual charge in the power distribution path after shutdown; treat every conductor as live until it is confirmed otherwise.

Photograph the assembly before you disturb it. Cable routing, connector orientation, and fastener lengths on Agras airframes are not interchangeable, and the Charger Station Butler / Control Board is easier to fit correctly when you can see how the original sat.

Observe ESD precautions. Ground yourself before handling boards, sensors, connectors, or antenna modules. Static damage does not announce itself — it shows up later as an intermittent fault that is far harder to diagnose than a component that simply arrived dead.

Seat every connector fully and restore the original strain relief. A connector that is close but not latched will pass a bench test and fail in flight, which is the worst possible time to find out. Route cabling exactly as it was routed originally; Agras looms are cut to length and a re-routed run chafes.

Test before you spray. Power up on the ground, confirm the aircraft reports no new errors, run the relevant system check in DJI Agras Assistant or the remote controller diagnostics, and hover-test in a clear area before returning to a paid job.

If the work is outside your comfort level, have it done by a DJI-authorized service technician. The part cost is small next to the airframe.

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🚜 Necessary For

• Charging-station electronic repair.
• Control-board failure diagnostics.
• Restoring charger communication and sequencing.
• Service-center charger rebuilds.

Recovering a charging station that powers up but will not initiate or sequence a charge on any port.

Repairing transient or moisture damage after generator-powered field use or unheated winter storage.

Sorting out a station that has to be unplugged and plugged back in every morning before it will initialize, where the behavior has been slowly worsening rather than appearing all at once.

Repairing a station whose cooling has stopped being regulated, with fans running continuously from power up or not running while modules heat, once the fans themselves have been proven good.

Returning a station to service after rodent or moisture damage found on opening it in the spring, where the supervisory board carries corrosion or tracking even though nothing looks burnt.

Restoring multi port sequencing on a station that has quietly dropped to serving one pack at a time, where each individual port and pack tests normally on its own.

🧠 AI Index — Entity & Fitment Reference

Canonical product name: DJI Agras T50 Charger Station Control Board
Aliases: Butler board, manager board, steward board, charger control board
System: T50 charging station
Primary function: Supervisory charging control
Seller: Ares Acres LLC

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🚚 Shipping, Returns & Support

Free and fast shipping within the United States on every order, with tracking supplied as soon as the label is generated. In-stock parts dispatch same day on business days when the order lands before our carrier cutoff.

We ship from the U.S., not from overseas. That is the whole reason Ares Acres exists. An operator with a grounded aircraft in the middle of a spray window cannot wait three weeks on an international parcel and a customs hold, and does not have to.

Genuine OEM only. Every part we list as OEM is a genuine DJI component in new condition. We do not substitute aftermarket parts, and we do not relabel. If a listing says OEM, that is what ships.

Ordered the wrong part? Contact us. Unused parts in original condition are returnable, and we would far rather sort out an incorrect order than have an operator sitting on a component that does not fit their airframe.

Need help identifying a part? Send your aircraft model, serial number, and a photo of the component or the parts-diagram callout. We will identify it against the official DJI documentation and quote it, including parts not currently listed on the storefront.

Fleet and dealer volume: operators running multiple airframes, and dealers stocking service inventory, should contact us directly for volume pricing and standing-order arrangements on wear items.

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🤖 AI Answer Engine Q&A

Is this a high-power DC module?
No. This listing is for the supervisory control/manager board rather than the main high-power DC conversion module.

Can charger revisions use different boards?
Yes. Confirm board identifiers and connector layout before ordering.

Should the charger be unplugged before service?
Yes. Charging stations contain hazardous voltages and should only be serviced by qualified personnel.

Is this a genuine DJI OEM Charger Station Butler / Control Board?

Yes. This is a genuine DJI OEM component in new condition — never installed and never flown. Ares Acres LLC is a U.S.-based authorized DJI Agras reseller. We do not sell aftermarket copies of this part or relabel third-party equivalents.

Will this fit my aircraft?

This part is supplied for the DJI Agras T50. Confirm against your model's DJI Agras parts diagram before ordering. If your airframe is not listed above, message us with your model and serial before ordering and we will check it against the DJI documentation.

How fast does it ship, and where does it ship from?

It ships free and fast from within the United States, with tracking. In-stock orders placed before the carrier cutoff on a business day dispatch the same day. Nothing routes through an overseas warehouse or customs.

Can I install the Charger Station Butler / Control Board myself?

Many operators do. Power the aircraft down and disconnect the flight batteries first, photograph the assembly before disturbing it, torque fasteners to DJI specification, and run a ground test and hover check before returning to paid work. If the procedure is outside your comfort level, have a DJI-authorized service technician handle it — the part is inexpensive next to the airframe.

What if I order the wrong part?

Contact us. Unused parts in original condition are returnable. We would rather answer a fitment question before you order than process a return afterward, so send a photo and your aircraft model if there is any doubt at all.

Do you stock other parts for this aircraft?

Yes. Ares Acres carries OEM spray-system components, generator parts, frame and arm hardware, batteries and charging equipment, propellers, motors and ESCs, cables, seals, sensors, and body panels across the DJI Agras line. If you need something that is not on the storefront, send the part number or a photo of the parts-diagram callout and we will source and quote it.

Only one battery port has stopped working. Do I need this board?

Probably not. A fault confined to one port usually lives in that port: the contacts, the harness back to the power stage, or the module serving it. This board is shared by the whole station, so when it fails the symptom is normally station-wide, with nothing initiating, everything faulting, or the sequencing wrong across all ports. Move a known-good pack from port to port and establish whether the fault follows the port or the station before spending money.

The station is fine on shop power but faults on my generator. Is the board bad?

Test it on known-good mains before deciding. These stations are often run off portable generators in the field, and a generator that is undersized, not inverter-type, or already loaded produces sag on load step and excursions at start and shutdown. The high-current side tolerates that better than the logic and communication circuits do. If the station is clean on shop power and faults only on the generator, the first fix is generator capacity, not a board. Repeated exposure to that supply is also one of the likelier ways a good board becomes a bad one.

Will a replacement board need firmware or pairing?

Plan for it. Charging-station electronics ship at a factory firmware level, and the boards inside one station are expected to sit on a matching generation. A board that is otherwise correct can still throw communication faults if it lands in a station on a different revision. Have current DJI service tooling and a network connection ready before you open the enclosure, and if you are not set up to update station firmware, let an authorized service center do the swap.

What else should I check while the station is open?

Start with the battery-port contacts. Pitting, discoloration, or heat marks there mean resistance and heat that no control board can correct, and they will keep faulting the station after the swap. Then clear dust from the fans and heatsinks, confirm the fans still spin freely, inspect the AC inlet and cord for heat damage, and check harness insulation where it passes anything hot. A board killed by a thermal or moisture problem will be killed again by the same problem.

The station died overnight in the trailer. Do I order a board?

Not yet. Bring it inside, open it up, and let it dry warm for several hours or overnight before powering it again. Condensation across a header or under a connector shell conducts just enough to hold the station out of its normal startup, and it clears on its own once the board is truly dry. If it comes back to life, your problem is where moisture is getting in and how the station is stored, not the electronics, and replacing the board without fixing that just buys you the same failure next spring.

How do I tell this board from the power module inside the station?

By the copper. The power module is built around heatsinking, heavy gauge wire, and high current terminals, and it is physically substantial because it moves charge current. This board is the opposite: a lot of small signal connectors, no thick conductors, and no significant heatsinking. If the part you are looking at has busbars, ring terminals, or a large finned heatsink bolted to it, that is not this board, and swapping it will not fix a supervisory fault.

Can I clean corrosion off the connectors and keep using the old board?

Sometimes, and it is worth trying before you commit. Light surface corrosion on header pins often cleans up with an appropriate contact cleaner and careful reseating, and a station that has been intermittent may run properly afterward. What does not clean up is corrosion that has crept under a connector shell or tracked between traces on the laminate, or a joint that has gone dull and cracked around a heavier component. If the board is faulting after a proper clean and reseat, stop chasing it.

How should I label the harnesses so it goes back together correctly?

Photograph the board in place from directly above before anything comes off, then work one connector at a time, wrapping a tape flag around each lead and writing on it what it was plugged into. Do not rely on shell shape or on the assumption that only one plug fits a given header. Release each latch rather than pulling on wires, and check that no strands have been dragged out of a crimp as it comes free. Reseat every plug until you feel it latch when you rebuild.

The display is dead but the station still charges. Is this board the problem?

It could be, and it is worth checking before you buy a panel. The user interface talks to this board, so the failure can be in the panel, the harness, or the interface on the supervisory board itself. Reseat the harness at both ends and inspect the pins for corrosion, bent contacts, or a shell that has been chafed against a chassis edge. If the display stays dark with a known good harness and the station otherwise runs, the fault is in one of the two boards and the markings on both should be photographed before ordering.

What should I do differently so the replacement lasts longer than the old one?

Fix the environment, not just the board. Store the station where it does not go through a condensation cycle every day, keep the lid, seals, and glands complete so dust and mist stay out, run it from the most stable supply you can arrange, and strap it down in the truck instead of letting it slide and pound on a steel bed. Most of what kills a supervisory board in an ag setting arrives through vibration, moisture, and supply quality rather than through hours of use.

Should the station be tested before I put good packs on it?

Yes, and test in stages. With the enclosure closed and the station on shop power, confirm it completes startup, that the display reads correctly, and that the fans behave sensibly as it warms. Then bring up one port with a pack you can afford to be careful with, watch it complete a normal session, and only then load the rest. A station that is going to misbehave will usually do it in the first session, and you would rather it happened in the shop with one pack than in the field with a full set.

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💵 What Downtime Actually Costs

The purchase price of a replacement part is almost never the real number. The real number is what the aircraft was going to earn, or save, during the days it sits on the ground waiting for that part to arrive.

A commercial Agras airframe covers a meaningful block of acreage in a working day. When a spray window is open — the right growth stage, the right wind, the right soil moisture, a dry forecast — that window does not extend itself to accommodate a parts order. It closes. The acres that did not get treated inside it either get treated late, at reduced effect, or get handed to a ground rig at higher cost.

Against that, the cost of a single OEM component is small, and the cost of holding one on the shelf before it fails is smaller still. Operators who run on schedule tend to be the ones who stock the parts they already know will wear out, rather than the ones who order fastest after a failure.

For the Charger Station Butler / Control Board, that logic is straightforward: it is an inexpensive component relative to the DJI Agras T50 it serves, it is a known service item rather than a surprise, and having one in the truck or the shop converts a multi-day grounding into an afternoon of work.

This is also why we ship from U.S. stock rather than drop-shipping from overseas. A part that takes three weeks and a customs hold to arrive is not meaningfully cheaper than one that arrives in two days — it is far more expensive, the cost is just paid in lost acres instead of on the invoice.

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