3.7 V Li-ion Battery 30~500mAh

Discover 3.7V Li-ion batteries from 30mAh to 500mAh, designed for lightweight applications such as fitness trackers, medical devices, and wireless sensors. Featuring high energy density and reliable performance, these batteries ensure precision and long-lasting power. inntbattery delivers high-quality solutions for maximum compatibility and durability—choose yours today for dependable energy.