Cycle Energy AA 2000 mAH Rechargeable Pencil Battery upto 500 cyclesPre-charged and ready to use 2000 mAh batteries Ideal for high drain devices such as digital cameras and IC recorders Sony NiMH rechargeable batteries last 3 times longer in high drain devices than Alkaline batteries Recharge, reuse, recycle, Sony rechargeable batteries offer economical and environmentally friendly, Made In Japan.