This is a automatic 12V DC-DC charger that can charge the main battery through the alternator
and starter battery, DC12V to DC12V battery charger designed specifically for motorhomes, campers, ships, etc.
B2B Charge
It means to charge the main battery through alternator and starter battery. If it is not used in the vehicle, you can also use one battery to charge another battery
1. When the vehicle is running, the vehicle alternator can quickly charge the main battery through the charger at full power
2. The charger can charge the main battery according to the specified voltage and current by boosting or stepping down to ensure that the main battery is in accordance with the standard. charging curve charging