round li polymer battery

401120 3.7V 55mAh Baterías Lipo hechas a medida / auriculares Batería Lipo recargable

401120 3.7V 55mAh Custom Made Lipo Batteries / Headphone Rechargeable Lipo Battery 3.7V 55mAh 401120 Lipo Battery Specification​ Cell Model UNM401120 Nominal Voltage 3.7V Nominal Capacity 55mAh Cell Size (T*W*L) 4.0*11.5*20.5mm Battery Size(T*W*L) 4.0*11.5*22.5mm Applications Headphone/skincare/mini ...