【Battery Charger】USB Battery Charger Can charge 1-4 AA / AAA Ni-MH rechargeable batteries, Use the 5V/2A adapter to charge, The charging speed is faster than other chargers on the market. 【Intelligent Control】Overcharge protection automatic shutdown when fully charged, short circuit protection automatic shutdown when problems. Intelligent LCD to show its charging progress separately, the battery icon will stop flashing when fully charged. 【Best Battery Charger】Frosted process for surface finishing, high elasticity negative polarity. Each slot comes with a high-precision sliding polarity holder, moving easily. Effectively anti-corrosion, anti-oxidation, durable; Long-term use will not be biased. 【Safety Protection】It has advanced MCU control and advanced -∆V function, over-temperature and over-current protection, short-circuit protection. 【Package Contents】1 x Battery Charger(battery not included), USB cable, 1x User Manual