I got this Cameron Sino battery in the mail yesterday from cs-batterymarket on eBay. I'm only getting about 2.5 hours out of a full charge (charged it twice already). I also see
Cameron Sino Universal Camera and Camcorder Charger - CAM10787 at Batteries Plus
CS-HAB720BL Cameron Sino Battery — ConsumerBatteryPros.com
High Capacity Cameron Sino 5000mAh Li-Polymer Replacement Battery for JBL Xtreme, JBLXTREME, fits JBL GSP0931134 - Walmart.com
Cameron Sino Battery for Castles V3 VEGA3000-3G Dejavoo Z9 Blue IP604355-2P CS-CTA300SL
CS-WB710MD Cameron Sino Battery — ConsumerBatteryPros.com
Cameron Sino 3400mAh Battery for Leifheit Dry&Clean 51000, Dry&Clean 51002, Dry&Clean 51113, 51114, this is 3.7V version!|Digital Batteries| - AliExpress
50mah Batteries | Headset Battery | Beat X Battery | Digital Batteries - 50mah Wireless - Aliexpress
Cameron Sino Replacement Battery for Ring Video Doorbell and Ring Camera - HHD10660 at Batteries Plus
Cameron Sino 3.7V 450mAh Li-Poly Replacement Battery For FLIR Thermal Camera 4894128166405 | eBay