Lithium Polymer Battery 401020 55mAh 3.7V
Summary of 401020 55mAh 3.7V Battery The Lithium Polymer Battery 401020 55mAh 3.7V is an ultra-compact and lightweight rechargeable battery designed for small, low-power consumer electronics. Despite its tiny size and weight under 2g (with protection board), it offers high energy density, excellent safety features, and a long cycle life — maintaining over 80% capacity…