PHILIPS AA Batteries HR03 Rechargeable NiMH 1.2V 500 Recharges 2500mAh

RECHARGEABLE BATTERIES - The Philips HR6 Mignon NiMH AA batteries have a great advantage: they are rechargeable. This means you don't have to buy a new one every time a battery runs out. RECHARGE UP TO 500 TIMES - Philips rechargeable batteries can be recharged up to 500 times before you can no longer use them. BATTERY PACK - Philips HR6 rechargeable NiMH batteries come in a battery pack of 4 individual AA batteries.