What is 3000mah

5MP 4G SIM Card Mini Camera Indoor Night Vision Surveillance Security Monitoring Rechargeable 3000 mAh Battery Powered Home Cam

3000 mAh Replacement Battery Phone Backup Battery For Vivo V5 V5S V5lite VIVO 1601 1609 (B-B2) Y65 Y66 Y67

78 LED Video Light 2600-6000 K 3 Light Modes 10-Level Dimmable Built-in 3000 mAh Batteries CRI 95+ High Power Panel Light with 3 Bases

5th Rechargeable Battery Set: 12 X 3000 mAh Batteries for Microphone Cameras

2022 New AA Battery 3000 MAh Rechargeable Battery Alkaline 1.5 V AA Battery for Clocks, Mice, Computers, Toys

Fenix WF26R Rechargeable Work Torch with Charging Cradle Mount 3000 Lumens 450m Range Up To 44 Hours 21700 mAh Battery Magnetic Charging IP68 Black