Specifications: Wide voltage-input range, AC100~240V, 50~60HZ, current protection, output short-circuit protection, prolong talk-time, auto-charge swiftly, auto-cut off after charge completion, auto-control the charge current (300~500MA) and the time(1.5~4.5hrs) according to the battery capacity. Display mode: single color, two colors, three lights LED, the single light indicates the power. the two lights indicate that the green light is on while the red light is off after charge completion Low ripple & noise Low EMI design for online charging Auto-recognize li-ion, NiMH, and NiCd batteries, easy to use Various plugs: European standard, American Standard, Australian standard and British standard plugs, suitable for any country