Specification for charger: MODEL: SCH202S Standard charger Input: 100V-240V 50/60Hz Input form: Desktop. Universal plug LED indication status: Red LED on梒harging LED END梖ully charged and on trickle charging End of charge detection: MAX voltage Charging current: AA X4 200mA AAAX4 200mA Charging Time( For Reference) Battery type Battery capacity Charging Time AA Ni-MH 2000 mAh 12h AA Ni-MH 2300 mAh 16h AAA Ni-MH 800 mAh 5h