This product would be ideal for portable electronics that require battery backup.
⚡ 3.7V 803040 1000mAh LiPo Lithium Polymer 1000 mAh High Capacity Battery ⚡
803040 3.7V 1000mAh Lipo Polymer Rechargeable Battery for Bluetooth Speaker
⚡ 3.7V 803040 JST 2.0mm plug 1000mAh LiPo Lithium Polymer 1000 mAh High Capacity
803040 3.7V 1000mAh 7pcs
303040 403040 503040 603040 703040 803040 903040 103040 3.7V 1PCS
3.7 V Lipo Battery 1000 mAh 803040 Rechargeable Battery Lithium Polymer Battery with Micro Ph1.25 Connection Integrated Protection Circuit for Electronic Devices