Sealey RoadStart® Emergency Jump Starter 12/24V 3000/1500 Peak Amps

Sealey RoadStart® Emergency Jump Starter 12/24V 3000/1500 Peak Amps Attention I have to sell spare or repair because I don’t know how to use it looks like it’s full charge the amp meter I checked showing 12 V and 24 V but I don’t know how to start it up. This is the only reason why I selling spare or repair. If I selling sparrow repairs, the return is not Available .

eBay