Boosted jump starter battery pack can instantly restart 12V dead vehicles in seconds even at -20℃~60℃, support more than 1000+ recharge cycles. Easier than from another car or roadside service.
Start Dead Batteries - Safely jump start a dead battery in seconds with this compact ... UltraSafe - Safe and easy-to-use car jumper starter and jump pack without worrying about incorrect ...
This backup battery booster works with any 12-volt battery ... and Shoppers Say They Pack 'Exceptional Power and Performance' “It works great,” said a third shopper. “It will pay for itself ...
You can jump the car yourself ... The output leads connect the lithium pack inside directly to the car battery, save for some diodes in series to prevent the car’s alternator backcharging ...