3.7V 310mah 502030 Battery for VXI BlueParrott B250-XT Bluetooth Headset Replacement dashcam Nextbase dash cam 402G 412GW 512G Cobra 840 Keychain 808 small camera C3,C11 16

Compatible with VXI BlueParrott B250-XT Bluetooth Headset Battery Replacement,B250-XT+、B250XTS、V100、V150，89-1343-00-00，80-7927-00-00，BT19045，BT191545,N2 dashcam,Nextbase dash cam 402G 412GW 512G ,Cobra 840,Skyrc GPS,Roadwarrior,training collar,Keychain cam 808 small camera C3,C11 16 。Also suitable for DIY electronic products with 3.7-5V and less than 1.14Wh 310mAh 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. 502030 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 310mAh, power 1.14Wh, size 31×20×5mm(1.22×0.787×0.2inch）(L*W*T), Weight:5.7g(0.2oz)，Maximum current:0.3A。 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 2 wire connector module. If there are any quality issues within a year, please feel free to contact us via email for replacement.