Features: These rechargeable AA batteries are suitable for electronic enthusiasts and photographers. The Rechargeable Battery Builts-in USB C Charge Port, people can charge power with a simple USB c cable, With long service life and highly efficiency, these batteries provide reliable power for your devices. Perfect for everyday use, these batteries are suitable for wide electronic devices. Whether you're controlling your TV, capturing memories with your camera, these batteries offer lasts power Not need to constantly buying disposable batteries with these rechargeable option. Save money and reduce waste! Specifications: Material:Lithium Battery Option Type:2xRechargeable AA Battery,4xRechargeable AA Battery; Diameter:Approx.14mm/0.56in Capacity:2600mWh Charging:5V USB C Charging Power:1.5V To 2000cycles Output Note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: Package A 2xRechargeable AA Battery Package B 4xRechargeable AA Battery