round li polymer battery
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401120 3.7V 55mAh Липо аккумуляторы на заказ / зарядные липо аккумуляторы для наушников
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 ...