Halo Bolt 55,500mWh Auto Emergency Car Jump Starter Power Bank Charger & Light-White (Certified Refurbished) Certified Refurbished product is tested & certified by Halo to work like-new. The product includes all original accessories, and is backed by a 1 Year Direct warranty. 55,500 mWh power, Provides starter boost to 12V car batteries, Charges small electronic devices via USB port LED light indicates charger's power level, Floodlight with SOS option, LED flashlight, USB, Jump Start, DC outputs and DC input When jumper cables are connected to HALO Bolt incorrectly, Bolt beeps continuously until cables have been removed and plugged in properly After 20 seconds of jumping battery with cables, HALO Bolt shuts off power coming from Bolt to help ensure safety when removing cables