Working time: charging time is 6-8 hours, and working time is more than 8 hours. The diameter of the solar panel is 8cm. Use for solar panel replacement, for defective solar panels. Replacement: The solar light replacement cover is suitable for solar light This 25% efficiency polysilicon solar replacement cover Includes a 600mAh / 1.2V NiMH AA battery. This top part spare has 1 warm white LED of 7 lumens. This DIY light cover has a switch on the bottom part and opens the switch while charging. This cover light turns on and off automatically and immediately becomes a solar light / solar garden light. Product Features: Replacement: Spare cover for solar lamp. Compatible battery: 1 x AA 600 mAh Ni-MH battery. Lighting: Warm white LED, night light Working time: charging time is 6-8 hours, and working time is more than 8 hours. Size: 8cm. Features: Material: plastic Color: black Outer diameter: 8 cm Battery: AA 600 mAh. Solar panel capacity: 2V 100mAh. Contents: Pack of 2 battery boxes.