DJI
DJI WB37 Battery Charging Hub (WCH2)
The DJI WB37 Charging Hub (WCH2) is the non-USB-C version of DJI's two-bay dock for the WB37 Intelligent Battery, the pack that powers the Cendence remote controller, CrystalSky monitors, and other DJI ground-side equipment. Unlike the newer WCH3, which runs from a USB-C Power Delivery source, the WCH2 is built to run from DJI's existing aircraft chargers — Inspire 1 and Inspire 2, Phantom 4 Series, Phantom 3, and the matching car chargers — so an operator who already owns one of those DJI chargers can charge WB37 packs without buying additional hardware. The hub charges two WB37 batteries in sequence from highest state of charge to lowest, in approximately 71 minutes per battery, and adds a 5 V / 2 A USB-A port for topping up a phone or tablet from the same source.
Two-bay WB37 charging hub for operators with existing DJI aircraft chargers. Sequential charging, 71 minutes per battery, with an extra USB-A 5 V port for mobile devices.
Features
- Charges up to two DJI WB37 Intelligent Batteries from a single connected DJI charger, in sequence from highest state of charge to lowest, so the most-ready pack is online first
- Runs from DJI's proprietary 17.3 to 26.2 V chargers (Inspire 2, Inspire 1, Phantom 4, Phantom 3, and the matching car chargers): an operator who already owns one of those chargers does not need to buy USB-C PD hardware
- Approximately 71 minutes to fully charge a single WB37 (DJI lab data, reference)
- Per-bay status LEDs report charging, fully charged, ready-to-charge, abnormal battery, and out-of-range temperature states
- Buzzer signals when charging is complete; switch on the hub silences the buzzer for crews who prefer silent operation
- Auxiliary USB-A power supply port outputs 5 V at 2 A, so a phone, tablet, or other USB-charged device can run off the same source while the hub is connected to a high-power DJI charger
- Micro USB firmware update port lets the hub be updated from the DJI Download Center when DJI releases new firmware
- Compact and light at 138 g, easy to add to a kit or pelican case
Specifications
| Specification | Value |
|---|---|
| Model | WCH2 |
| Compatible battery | DJI WB37 Intelligent Battery (WB37-4920mAh-7.6V) |
| Bays | 2 |
| Charging behavior | Sequential, highest charge level to lowest |
| Input voltage | 17.3 to 26.2 V (from a compatible DJI charger) |
| Output (battery bay) | 8.7 V, 6 A |
| Output (USB-A port) | 5 V, 2 A |
| Charging time per battery | Approximately 71 minutes |
| Weight | Approximately 138 g |
| Operating temperature | 5 °C to 40 °C (41 °F to 104 °F) |
| Ports | Power port, charging port, Micro USB firmware update, USB-A 5 V / 2 A |
Compatible DJI chargers
The WCH2 is built to accept power from DJI's proprietary aircraft chargers. Any of the following will drive the hub:
- Inspire 2 Battery Charger (IN2C180)
- Inspire 2 Battery Charger (ADE018)
- Inspire 2 Car Charger (C6S90-2)
- Inspire 1 Battery Charger (A14-100P1A)
- Inspire 1 Battery Charger (ADE018)
- Inspire 1 Car Charger (C6S90)
- Phantom 4 Series Battery Charger (PH4C100)
- Phantom 4 Car Charger (C6S90)
- Phantom 3 Professional Battery Charger (ADE019)
- Phantom 3 Car Charger (C4S90)
- Phantom 3 57 W Battery Charger (A14-057N1A) — see note
- Osmo 57 W Battery Charger (A14-057N1A) — see note
Note: The 57 W chargers do not supply enough power to charge a WB37 and a device on the USB-A port simultaneously. When using a 57 W charger, do not connect a phone or tablet to the USB-A port at the same time.
Who this is for
- Operators who already own a DJI Inspire 2, Inspire 1, Phantom 4 Series, or Phantom 3 aircraft and want to repurpose the existing charger to power a WB37 hub without buying USB-C hardware
- Cendence and CrystalSky users who want a wall-powered two-bay hub rather than a USB-C PD setup
- Field crews who prefer a hub with an audible end-of-charge buzzer and an integrated 5 V USB-A port for charging a phone or tablet alongside the WB37 packs
- Fleet operators standardizing on the WCH2 across an installed base of older DJI chargers
What's included
- 1 × DJI WB37 Charging Hub (WCH2)
Please note: The WCH2 does not include a charger or power cable. To power it, use one of the compatible DJI aircraft chargers listed above. The WB37 batteries themselves are also sold separately.
If you do not already own a compatible DJI aircraft charger, the USB-C version of this hub (the WCH3, sold separately) is typically the more practical choice for new operators. The WCH3 runs from any FCC-certified USB-C Power Delivery charger of 55 W or higher, including the DJI 65 W Portable Charger, third-party USB-C wall chargers, portable power stations, and vehicle USB-C outlets.
When using the Inspire 2 Battery Charger, Phantom 4 Series Charger, or Inspire 2 Car Charger, do not charge the Intelligent Flight Battery (the aircraft battery) and the WB37 at the same time. The charger supplies one device at a time on those models.
FAQ
How is the WCH2 different from the WCH3 (USB-C) hub?
Both hubs charge two WB37 batteries in sequence. The WCH2 (this product) accepts power from DJI's proprietary aircraft chargers at 17.3 to 26.2 V, which is what existing Inspire 2, Inspire 1, Phantom 4, and Phantom 3 owners already have. The WCH3 accepts USB-C Power Delivery input at 5 to 20 V, which works with the DJI 65 W Portable Charger, third-party USB-C PD chargers, and portable power stations. Pick the WCH2 if you already own a compatible DJI aircraft charger; pick the WCH3 if you want to run the hub from a generic USB-C PD source.
What charger do I need to power the WCH2?
One of DJI's proprietary aircraft chargers within the 17.3 to 26.2 V input range. The full compatible list includes Inspire 2, Inspire 1, Phantom 4, and Phantom 3 wall chargers and car chargers, plus the 57 W Phantom 3 and Osmo chargers (with limitations on simultaneous USB-A use). The charger is not included with the WCH2.
How long does it take to charge a battery?
Approximately 71 minutes per WB37 battery, per DJI's documented charging time. The hub charges two packs sequentially, so a fully drained pair takes roughly 2 hours and 22 minutes to fully charge.
What does the USB-A port do?
The auxiliary USB-A port outputs 5 V at 2 A, enough to charge a phone, tablet, or other USB-A-compatible device while the hub is connected to a compatible DJI aircraft charger. If you're powering the hub from a 57 W Phantom 3 or Osmo charger, do not use the USB-A port at the same time as a battery bay; that charger does not supply enough power for both at once.
Can I silence the buzzer?
Yes. The hub has a buzzer switch that silences the end-of-charge alert. Useful for shared workspaces, late-night charging cycles, or anywhere a beeping hub would be a problem.
What does each LED color mean?
Blinking green indicates a battery is charging. Solid green indicates fully charged. Solid yellow indicates ready to charge. Blinking yellow indicates the battery is outside the 5 to 40 °C operating temperature window. Blinking red indicates a charger error; solid red indicates a battery fault. Alternating green blinks indicate the hub does not detect an installed battery.
What's the operating temperature range?
5 °C to 40 °C (41 °F to 104 °F). Outside that range the hub will pause charging until the battery and hub temperatures return to normal. In cold-weather operations, let the batteries and hub stabilize toward room temperature before connecting them.
Can I update the hub's firmware?
Yes. The Micro USB port on the hub is for firmware updates only, not for power. DJI publishes firmware updates on the DJI Download Center; download the update tool, connect the hub to a computer with a Micro USB cable, and follow the on-screen instructions.
