Sony Cycle Energy AA Nickel Metal Hydride (NiMH), 1000 mAh Rechargeable Batteries - 4 Pack

Designed for today's electronic devices, Sony 1000mAh rechargeable batteries last up to 1.5 times longer than standard alkaline batteries. Pre-charged and ready to use right out of the package, these economical, environmentally-friendly Nickel-Metal Hydride (NiMH) batteries can be recharged up to 1,000 times. Additionally, each battery maintains 75% of the charge after one year and features an automatic charge cut-off timer.