Product Type: Universal Battery Charger. Brand:Olight. Material: Silicon, Rubber, Aluminum alloy Color: Blue Rated Voltage: 4.7V to 5.2V Max charging current: 750mA Max Charging Voltage: 4.25V (Li-ion) 1.45V (NiMH) Charging cut-off Points: Charging drops below 100mA (Li-Ion) Delta V - Voltage drops after full charge (NiMH) Compatible For:AA,AAA, AAAA,C 10340 10350 10440 10500 12340 12500 12650 14350 14430 14500 14650 16500 16340 16650 17350 17500 17650 17670 18350 18490 18500 18650 187. USB Powered. Compatible with Li-ion, IMR, INR, and ICR batteries (3.6V - 3.7V). Compatible with NiMH batteries. Automatically detects polarity. All sizes compatible. Tangle-free flat cable design. The future of charging is here, and its name is the Olight UC Magnetic USB Charger ! This fast acting charger is compatible with both Li-ion and NiMH batteries of all sizes, conforming to the shape of any cylindrical cell by using two polarity connectors freely attached to wire. This uniquely styled charger is compatible with just about any size battery, including the most popular Li-Ion and NiMH varieties. The Olight UC is powered by a USB cable that can be used in any computer or USB wall port. Brand No Brand SKU BR149EL0AM490NAFAMZ-284322