Description:This G3220 balance charger supports to charge the 2S and 3S LiPo and Life battery. Built-in speed balance module， effectively reduce the charging time. Several kinds of protection functions offer your battery a long lifetime.Features:Built-in high-speed balance module， effectively reduce the charging time.Pure aluminum made， good thermal performance.- Under-voltage， over-voltage and current protection.- Support LiPo/LiFe battery.- 2 type charge port: 2S/3S， but can ONLY charge 1 battery at a time. Specifications:- Input voltage range: DC 11-16V/2.0A.- Compatible battery type: LiPo/LiFe(A123).- Charging current range: 0.5A/1.2A/2.0A. (2.0A Fastest 0.5A Slowest)- Max charging power: 20W.- Balancing precision: >10mV.- Voltage accuracy of full charged: 4.20V±0.02V. How to use:1. Use left button to choose battery type LiPo or LiFe， RC battery is LiPo.2. Use right button to adjust charging speed: 2.0A/1.2A/0.5A; 1.2A/0.5A for original battery， 2.0A for high-capacity battery.3. 3 green indicator lights flicker means be on charge; keeps on means charge complete.Suitable for:1800mAH/2000mAH/2200mAH/2500mAH 20C 11.1V LiPo Battery for Parrot AR. Drone 2.0 1.0.NOT fit for original 1500mAH battery directly!Package Included:1 * Balance charger1 * 12V/2A Power adapter