IP67 potted 850 W charger with 100+ charging curves
The GC-OBC-850W is an 850 W single-phase AC on-board charger for 24 V, 48 V, 60 V and 72 V batteries. It uses a PFC + LLC two-stage design, is epoxy potted and sealed to IP67, and stores more than 100 charging curves that can be selected for different battery chemistries. It is available as a vehicle-mounted or portable unit.
Core parameters
Published core parameters for GC-OBC-850W. Detailed electrical data, environmental ratings and mechanical drawings are provided in the datasheet on request.
| Rated output power | 850 W @ 220 VAC / 850 W @ 110 VAC |
| AC input voltage | 90–264 VAC, 47–63 Hz |
| Output voltage range | 6–100 VDC (24 / 48 / 60 / 72 V nominal) |
| Max output current | 36 A |
| Peak efficiency | ≥93 % @ 220 VAC |
| Power factor | ≥0.98 @ 110 VAC, ≥0.97 @ 220 VAC |
| Cooling | Natural convection, fanless |
| Ingress protection | IP67, epoxy potted |
| Communication | Enable signal; CAN optional |
| Dimensions (L × W × H) | 200 × 180 × 135 mm vehicle-mount; 200 × 180 × 165 mm portable |
| Operating temperature | −40 °C to +85 °C (derating above 85 °C) |
Key features
100+ built-in charging curves
Select the right curve for lithium-ion, LiFePO4 or lead-acid packs without changing hardware.
IP67, epoxy potted
Withstands temporary immersion, dust, shock and vibration on two- and three-wheelers.
Constant 850 W on 110 V and 220 V
Full output power on both grids, with power factor ≥0.98.
Fanless natural cooling
No fan to fail and no noise.
Battery temperature sensor input
Adjusts charging to battery temperature for safer operation.
Vehicle-mount or portable
One electrical design, two housings.
Model selection
| Model | Nominal voltage | Rated current | Output range |
|---|---|---|---|
| GC-OBC-850W-2436 | 24 V | 36 A | 6–32 V |
| GC-OBC-850W-4818 | 48 V | 18 A | 12–64 V |
| GC-OBC-850W-6015 | 60 V | 15 A | 15–80 V |
| GC-OBC-850W-7212 | 72 V | 12 A | 18–100 V |
Applications
- Electric motorcycles and scooterscompact IP67 charger mounted under the seat
- Cargo tricycles and e-rickshawsdaily charging in rain and dust
- L7e quadricycles and light utility EVson-board charging from a standard socket
- Aerial work platforms and stacker trucksshock-resistant potted construction
- Golf carts and robotic mowerssilent fanless operation
Matched to your battery, not the other way round
We customise output voltage, charging current, charging curve, CAN protocol, cable length, connectors, housing and labelling. Share your battery voltage window, chemistry, capacity and target current and our engineers will propose a matching configuration.
Datasheets on request
Datasheets, test reports, wiring diagrams, CAN protocol files and 3D models for the GC-OBC-850W are available on request — tell us the quantity and destination market and we will send the full package.
Tell us your battery. We will match the unit.
Send your battery voltage window, chemistry, capacity and target current — our engineers will propose a matching configuration.