This product would be ideal for portable electronics that require frequent charging and have a capacity of around 3300mAh.
2691135 3300mAh 3.7V 1PCS
4076100 3.7V 3300mAh 1PCS
3.7 V 18650 Rechargeable Battery Flat Top (2 Pack) with Charger, 3300mAh Large Capacity Rechargeable Batteries for Flashlight, Headlamp, Small Fan
2x Zeee 3S 11.1V 3300mAh LiPo Battery 50C XT60 Plug for RC Car Airplane Models
2X Zeee 14.8V 4S LiPo Battery 3300mAh 50C XT60 for RC Car Truck UAV Airplane FPV
2x Zeee 6S Lipo Battery 3300mAh 22.2V 120C EC5 SoftCase for RC Airplane Car Tank
