This is a 1200W charger which uses a coilcraft GA3460-BL flyback transformer in conjunction with the LT3751 microchip. In theory it is capable of charging a 12000uF 400V capacitor in only a few seconds. The LT3751 microchip controls the charging of the capacitor and offers charging cutoff and safety features. The charger is powered by a 4s 2200mAh Li-Po battery pack capable of 20c continuous discharging. This supplies the charger with 740 watts of power.