Charges multiple 18650 batteries at once very quickly. Shows battery life and charge percentage on flashing bar display. Convenient micro USB charging cord Charges 2 batteries at one time Small and portable Charges batteries faster than charging in the light itself Half amperage input switch gives the ability to trickle charge your battery for longer lasting battery life Reverse polarity protection if cells are entered the wrong way 3 charging speeds; .5A, 1A, or 2A Automatically turns off when charging is complete
