ISOpwr+ (Plus) - Auxiliary Battery Isolator by West Mountain Radio Wouxun_KG-UV8 this battery can do it

this battery can do it all

Insulating cover meets ABYC/USCG insulation requirements

if you are using the optional auxiliary power connector

Large elastic front and side snaps hold the radio securely

The contact size corresponds to the position marking on the die

ISOpwr+ (Plus) - Auxiliary Battery Isolator by West Mountain Radio Wouxun_KG-UV8 this battery can do itEquipment powered from the auxiliary battery never drains the vehicle's main battery. When the vehicle's engine runs, the auxiliary battery is charged. If the engine is not running, the auxiliary battery is disconnected from system. Isolates and charges a 12 Volt auxiliary battery to run mobile radio and other 12 Volt portable equipment. Ideal for mobile radio command stations for ARES, RACES, FEMA, and for a VHF UHF Contest Rovers, moderately powered