Charge up the dead battery on spot

That's what the jump start does.

所有跟帖： 

• 如果用電池充電的話，那電池該有多大呀？ 一個大容量jump start電池 -not_a_fan8- ♂ (98 bytes) () 05/02/2022 postreply 20:50:17

• 電車死掉變磚頭往往是12v，low voltage battery 電池沒電 -MoonRiverMe- ♂ (113 bytes) () 05/03/2022 postreply 04:39:28