HIGH QUALITY JUMPER CLAMP*for replament part of jumper power bank.

 

 

 

 

*noted:starting a verhicle got step by step,do not over start the device more than 10 second if do like that will spoil the jumper cable use time.normal start the verhicle is 5 second after that wait the device cooling down after 10 to 15 second time and starting your car again.if do step like this will protect your jumper cable more long life use.

*thank for watching the usage information*