Bolt Power K3 Mini Portable 400 Amp Car Jump Starter Power Bank with 12,000Mah Emergency Safety Travel Kit Safe lithium battery delivers up to 20 jump starts before the next charge Jump start your car with a 12,000 MAH external battery charger Portable compact design that will easily fit in your pocket, backpack, or glove box for convenience Built-in protection features: over current protection, short circuit protection, overload protection Ultra-bright LED flash light, strobe light, and SOS signal light that lasts 120 hours