YESPER 4120A Car Jump Starter Power Pack Heavy Duty Booster Battery Charger UK
Yesper Speed 4120 is the most powerful car jump starter, featuring at4120 A peak current, 24000 mAh (88.8 Wh). Yesper jump starter can work at high temperature up to 131°F and cold up to -4°F. Built-in over-temperature protection allows the unit to turn off the output actively when the battery is at high temperature.