Delivers jump-starting power with 600 peak amps to jump start cars and trucks up to V6 Reverse polarity alarm alerts when there is an improper connection; Connect the clamps to the battery, turn on the switch and start your vehicle High-powered LED light rotates 270 degrees to help you work in the dark Triple USB port provides portable power for electronic devices Jump starter should be charged every 30 days when not in use; Charges using a standard household extension cord (sold separately) SLA jump starters work in a greater temperature range that's ideal for colder temperatures