Brand New, Unused, Tested
1000 Amps of Lithium Power: The SL1639 delivers 1000 amps of jump starting power strong enough for starting 8.0L gas and 6.0L diesel engines; Jump start cars, trucks, motorcycles, boats, marine batteries, SUVs, ATVs, and more 2X Faster Smart Phone Charging: The SL1639’s lithium-ion battery power bank provides 29.6 Wh of power and can safely charge your smart devices like phones, tablets, laptops, wearables, and more via USB power delivery Quick-Charge USB Power Source: The 2.4-amp USB port charges mobile devices two times faster than a standard USB charger; The internal battery recharges three times faster than traditional AGM jump starters; Charge your Apple and Android devices 30X Jump Starts: The Schumacher Electric SL1639’s powerful inte¬rnal lithium ion battery allows users to jump start a vehicle up to 30 times on a single charge