Tenergy Smart Charger for RCR123A 3.0V Li-ion rechargeable Batteries - Color Black (Not For Arlo Camera) Smart, build-in microprocessor automatically switch off when batteries are fully charged. Charge 1 to 2 RCR123A from 1.5 hours to 3 hours. Peak voltage of 3.0V Li-Ion will be 3.60V after fully charged. Compact ( 2.5 x 4 x 1 inch ), Light weight ( 5 oz only ), include charger and all accessories. Convenient, 12V car cigarette lighter plug for on the road charging. Safe, build-in IC provides various protection, Thermal protection, Overcharge protection, Short-circuit protection, mechanical. and electrical protection against reversal polarity, and auto defective battery identification. Buy with confidence, your charger includes a 12-month warranty. This charger is intended for Tenergy brand RCR123A 600mah 3.0V (30264) cells ONLY. Use with any other brand may cause safety issues or charger failure.