The B6 LiPro Balance Charger by iMAX is a rapid charger that can charge and discharge lithium polymer batteries between 11.0 and 18.0 volts with a maximum charge power of 50 watts and discharge power of 5 watts. It has a high performance microprocessor and specialized operating software to charge batteries safely and can charge between 0.1 and 5.0 amps or discharge between 0.1 and 1.0 amps.