NL166 650 mAH Rechargeable Li-ion 123A High-performance protection circuit prevents protection from overcharge and over-discharge increasing the lifespan of your battery Capable of 500 recharge cycles for a cost effective and environmentally friendly battery choice The perfect battery for high drain devices like LED flashlights, video game consoles, and more Nickel-plated S.S. protectors at both ends provide high impact resistance and oxidation resistance to protect the delicate circuits inside NL166 16340