Description The 3.7V, 650mAh RCR123A Li-Ion Rechargeable Battery from Nitecore is designed to deliver consistent power throughout the charge-cycle for use in high-drain devices. Integrated short-circuit, over-charge, and over-discharge circuitry help maintain its performance. A built-in pressure relief valve provides further protection. The battery can take up to 500 full charging cycles, offering an economic and environmentally-friendly alternative to disposable batteries. NOTE: not suitable for use with Arlo cameras. Specifications Chemistry Li-Ion Capacity 650 mAh Output Voltage 3.7V Dimensions 1.4 x 0.7" (3.5 x 1.7 cm) Weight 0.6 oz (17.8 g)