Built-in protection circuit (PCM) prevents over charging/discharging.
3.7V 200mAh LiPo 1S Polymer Rechargeable Battery: MP3 GPS Speaker Watch - 402030
⚡ 3.7V 401020 200mAh LiPo Lithium Polymer High Capacity Battery ⚡
3.7V 200mAh Lipo Rechargeable Battery For MP3 Bluetooth Headphone Headset 501522
Replacement Extra 200mAh Lipo Battery for SkyRC GSM-015 GMS-010 GPS Speed Meter
⚡ 3.7V 601818/602020 200mAh LiPo Lithium Polymer High Capacity rechargeable Batt
⚡ 3.7V 301230 200mAh LiPo Lithium Polymer 200 mAh 301230 High Capacity Battery ⚡
