This product is suitable for battery replacement of DIY 3.7-5v electronic products, mobile energy storage, power supply, LED light, wireless Bluetooth game headset, outdoor video and audio electronic scale, GPS Watch recorder, e-book, USB Fan tester, dash cam controller, mouse and keyboard.
This is 3.7V 250mAh 402030 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch 3-Pack for the fans of the team in a very comfortable and more stylish way. The 3.7V 250mAh 402030 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch 3-Pack product is made of a high-quality material that is very durable. It is made up of a cotton fabric with an elastic band that is made to fit the size.
Please carefully compare the polarity of the connector before use,the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn’t matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
402030 rechargeable lithium ion polymer battery, nominal voltage 3.7V, capacity 250mAh, power 0.92Wh, size 4×20×30mm(0.157×0.787×1.22inch）(T*W*L).
This is 3.7V 250mAh 402030 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch 3-Pack for the fans of the team in a very comfortable and more stylish way. The 3.7V 250mAh 402030 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch 3-Pack product is made of a high-quality material that is very durable. It is made up of a cotton fabric with an elastic band that is made to fit the size.
It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch1.25mm 2-pin connector module.
It can prevent overcharge, overdischarge, overcurrent, and short circuit.
