802540 3.7v 900mAh lithium Battery for Sena 10S series 10S-01 ena 20s 20s-01 evo 30K 30K-01D Motorcycles Bluetooth Headset Replacement Intercom

Compatible with Sena 10S series Sena 10S-01 Sena 20s series Sena 20s-01 Sena 20s evo Sena 30K series Sena 30K-01D. Also suitable for DIY electronic products with 3.7-5V and less than 3.33Wh 900mAh built-in 2-wire battery replacement.（ Not applicable to high-power electric tools and model aircraft） Please note that the specifications and polarity of the connector are based on the product display image,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. 802540 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 900mAh, power 3.33Wh, size 8×25×41mm(0.315×0.984×1.6inch）(T*W*L), Weight:18g(0.635oz)，Maximum current:1A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit. It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-28 high temperature resistant silicone cable, and genuine JST Pitch1.0mm 2-pin connector module. If there are any quality issues within a year, please feel free to contact us via email for replacement.