Give struggling vehicles a helping hand with the car battery jump starter kitr uses innovative patented design to provide one of the smallest car jump products availabler simply attach jump starter clamps to the portable 3 in 1 power bankr each supports 12v auto emergency start function and 12v 16v and 19v devicesr quick charging with low self discharger life cycle of up to 1000 chargesr car pack is suitable for high capacity and high power polymer batteriesr also s