Compatible with Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 mouse Battery Replacement。It can also be used in other 3.7-5V electronic products with power less than 2.4Wh (650mAh).（★ 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 "-"White wire is thermistor "NTC"，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. AHB622540N01 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 650mAh, power 2.4Wh, ★size 41×25×6mm(1.614×0.984×0.236inch）(L*W*T), Weight:12g(0.423oz)，Maximum current:0.65A。 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, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch 1.25mm ★3 wire connector module. If there are any quality issues within a year, ★please feel free to contact us via email for replacement.

Package:AHB622540N01 650mAh LiPo battery x 1,heat shrinkable insulating sleeve x 1

Compatible with Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Gaming Headset Aerox 9 Aerox 5 mouse Battery Replacement。It can also be used in other 3.7-5V electronic products with power less than 2.4Wh (650mAh).（★ Not applicable to high-power electric tools and model aircraft）

Size:41×25×6mm(1.614×0.984×0.236inch）(L*W*T)
Capacity:650mAh
Weight:12g(0.423oz)
Maximum current:0.65A