Built-in protection circuit (PCM) prevents over charging/discharging.
⚡ 3.7V 502020 150mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡
⚡ 3.7V 751517 150mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡
3.7V 150mAh LiPo 1S Polymer Rechargeable Battery: GPS, MP3, Speaker - 751525
⚡ 3.7V 601520 150mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡
⚡ 3.7V 401235 150mAh LiPo Lithium Polymer High Capacity rechargeable Battery ⚡
⚡ 3.7V 501235 2.0mm JST Connector 150mAh LiPo Lithium Polymer High Capacity Batt