Qimoo 3.7V Lithium Batteries 5200mah Rechargeable Battery Pack Lithium Ion Batte

[Specifications: Capacity : 5200mAh; Size: 66x37x20mm/2.6x1.45x0.78inch ; Weight: 98g ;Wattage : 19.24Wh; Type of plug: JST-2P ;Cable Length: 5cm / 2". Performance: The 3.7volt lipo battery has consistency in voltage internal resistance (18mΩ) and capacity. Ensure the stability and durability of the battery. Long discharge time and high cycle times. Normal charging and discharging 300 times can still maintain 85% of capacity. The 5200mah-19.24Wh rechargeable li-ion battery pack is suitable for 3.7V~4.2V devices. For example DIY electronic products Bluetooth speakers toy cars solar outdoor lights medical equipment power tools etc. Notice: Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.) Package Content: 1 x 5200mAh-19.24Wh high capacity lithium ion batteries.]