Built-in protection circuit (PCM) prevents over charging/discharging.
Beats SOLO 2 / SOLO 3 Rechargeable Battery - 3.7V 350mAh LiPo 1S AEC353535
3.7V 350mAh LiPo 1S Polymer Rechargeable Battery: Watch, MP3, Speaker - 362937
⚡ 3.7V 802025 350mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡
⚡ 3.7V 301862 350mAh LiPo Lithium Polymer High Capacity Battery ⚡
Hubsan H107 / JJRC H6C / UDI RC Drone 25C Battery - 3.7V 350mAh LiPo - 702030
⚡ 3.7V 402040 350mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡