Kenwood KNB-81L is the spare or replacement Lithium Ion IP67 rated battery for the ProTalk NEXEDGE NXP500 series radios. This battery is 2200 mAh and last 15 hours on average.
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Cameron Sino 2000mah Battery 81-207-392012, 81-215-360012, Tpmc-8x-btp For Crestron 6502269, Tpmc-8x, Tpmc-8x Wifi - Digital Batteries - AliExpress
mobicall Mobile Battery For VIVO Y-81 / 1803 (B-E5) - 3180 mAh Price in India - Buy mobicall Mobile Battery For VIVO Y-81 / 1803 (B-E5) - 3180 mAh online at Flipkart.com
Genuine OEM Authentic iPhone Xr Battery 81% w/ Accurate Health Test Replacement | eBay