Genex 12000mAh Portable Car Jump Starter Battery Booster and Phone Charger with Smart Charging Port High Output Lithium Jump Starter: Precharged 12000mAh Lithium battery - Jump starts even 6.0L/ 6000cc engines -Holds a charge for 1 Year -Continuously tested over 55,000 hours combined Accurate LCD display: Displays usage status and available power Dual 2.1A USB Ports: Charge tablets, smartphones or other connected devices Emergency LED Flashlight: Flashlight, emergency strobe or SOS flashing Safe Jump Starter Clamps: Safe cables with 5 way protection: - Short circuit protection - Reverse polarity protection - Reverse charging protection -Over temperature protection -Over discharge protection