Kastar KAA2HR Battery: AA 2.4V Nickel-Metal Hydride 2500mAh 6Wh The Battery 100% Compatible with Kodak KAA2HR KAARDC K3ARDC Battery and Charger. The Rechargeable Battery use Premium Japanese Cells with no Memory Effect. Long Lasting for longer battery life and Cools the battery by forcing cool air through the battery's built-in air vents. Manufacture Price and Include 30-DAY Money Back and 3-Year Manufacturer Warranty.