2021 3.7V 103048 1400mAh rechargeable batteries lithium polymer portable replaceable DIY battery for MP3 MP4 DVD speaker camera

High quality and durability, no need to worry about the battery will run out in a short time. Provide excellent continuous power for your equipment, with high energy density and long service life. The built-in intelligent protective PCB charging module can effectively prevent overcharging, overdischarging, overcurrent, and short circuit. Widely used in MP4, MP5, GPS, mobile phones, remote controls, Bluetooth speakers, earphones, tablet computers, cameras, radios, portable DVDs, MIDs, PDAs, pos machines, walkie-talkies, PSPs, electric toys and other devices with the same functions. Size and capacity.