If you need additional accessories, please contact our customer service. The accessories include a monitor, Bluetooth module, and NTC cable.

Product introduction
This is an automatic 12V-DC-DC charger that can charge the main battery via the lighting system and the starter battery. A DC12V-to-DC12V battery charger specifically developed for recreational vehicles, campers, boats, etc.

B2B store
It means to charge the main battery via the starter battery and the light machine. If it is not used in the vehicle, you can also use a battery to charge another battery.

1. When the vehicle is running, the vehicle lighting unit can quickly charge the main battery to full power using the charger.

2. The charger can charge the main battery according to the specified voltage and current strength by amplifying or reducing it to ensure that the main battery meets the standard. Charge curve charging

Product parameters
Main Battery "BOARDⅠ"
Nominal voltage of lead-acid, gel, and AGM batteries: 12 V
Nominal voltage LiFePO4: 12.8 V
Nominal voltage Lithium-Ion (NCM): 11.1 V
Recommended capacity (battery size): 45–280 Ah
Battery voltage range: 8–16 V
Vehicle starter battery "Start II":
Vehicle starter battery voltage: 12 V
Recommended capacity (battery size): 60 Ah
B2B charging process
Voltage range of the starter battery: 10.5–16 V
Maximum load capacity: 390 W
Maximum charging current: 30 A
Signals voltage "D+": 8–16 V
Temperature compensation: -3 mV/℃/2 V
Signal “TR”: NC
Main battery temperature sensor "T T": YES
Main battery voltage detection "SS-, SS+": YES
Standby current: 30±2mA
Operating temperature: -20-50°C
Optional accessory:
Meter (MT-2)
Bluetooth Dongle (BT10)
Temperature sensor (TRS)