Integy AC/DC Indi 16x307 Lithium battery charger has true hardware CC-CV (constant current constant voltage) charge circuitry. Adjustable cutoff, 4.10V/cell to 4.25V/cell. LCD display shows voltage and current. Two LEDs-green LED indicates trickle charge and Blue LED indicates fast charge 12VDC input with detachable alligator clips. Built-in cooling fan. 90 day warranty. Designed for high current LiIon and LiPo batteries only. NEVER connect charger to an automobile while engine is running. Not for use by unsupervised children. Do not leave charger unattended and always monitor charger temperature. If charger becomes too hot, disconnect from power source. This product includes, Team Integy AC/DC Indi 16x307 Lithium Battery Charger, power lead with detachable alligator clips, AC adapter, spring loaded output jacks and instruction manual.

12V DC, or 120V AC Power Source