Environmentally Friendly: aa aaa Ni-MH Rechargeable Batteries Combo Pack can be charged up to 1200 times; no pollution to the environment benefits from the Ni-MH cell, more affordable than thousands of alkaline batteries; add mix-protection additive to the negative pole of batteries can reduce heavy metal pollution, the first step to protect the earth is to use Ni-MH batteries. Wide Compatibility: aaa batteries combo pack works well with a variety of electronic devices that can be used under 1.2V, including household devices such as digital cameras, electric toothbrushes, and flashlights, garden lights, landscaping lights, lawn lights, etc. Note: Please fully charge before use, as we only charge the battery to 20% for shipping safety purposes. Batteries will reach maximum performance after 3 to 5 full charge cycles. Package Contents: 8 x 1.2v AA Ni-MH 3000mAh Rechargeable Batteries with 8 x 1100mAh AAA Rechargeable Batteries + 2 pack Battery Case. (The battery housing stops batt