DC 3.7V1300mAh 103040 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement

This battery is applicable to electronic products with DIY 3.7 -5V less than 4.81W h 1300mAh. Not applicable to high-power electric tools and model aircraft
Please compare the connector specifications and polarity according to the display diagram before purchasing, 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.
103040 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 1300mAh, power 4.81W h, size 41×30×10mm( 1.614 × 1.181 × 0.393 inch (L*W*T), Weight: 22g(
0.776 oz)Maximum current: 1.3A It can prevent overcharge, overdischarge, overcurrent, and short circuit.
Its 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 Pitch 1.25 mm 2 wire connector module.
If there are any quality issues within a year, please feel free to contact us via email for replacement.