EBL High Performance D Rechargeable Batteries - Your Good Choice for Household. High Performance - rechargeable cycles, no memory effect of NiMH battery, you can charge these batteries at any time. Long Lasting - 10000mAh high capacity and provide constant 1.2V voltage, longer life in the high drain devices than normal Alkaline batteries. Safe & Environmentally Friendly - Doesn't contain Hg/Cd/Pb, no pollution to the environment. Embedded seal structure, the stainless steel shell can protect the battery from leakage. Widely Application - Great for high power demand devices such as digital camera, children's toys, flashlight and so on. Ready to Use - Precharged 15%20% of capacity by solar energy. It could be used when you get it. Excellent Charge/Discharge Performance - the batteries will keep a high quality after 3-5 times charge & discharge when used for the first time or long time no used.