The concentrated load. Always ready. Again and again. The rechargeable Energy Eco AA batteries reliably supply all your standard devices with a full 2600 mAh of power. With the option of recharging them up to 1000 times, you not only save money, but also do the environment a favor. Even if you don’t use the batteries for a long time, they remain ready for use for a long time thanks to low self-discharge.