Tenergy Premium AA/AAA/C/D size high capacity nickel hydride metal (NiMH) rechargeable batteriesSuper long running time with high capacityAA (2500mAh), AAA (1000mAh), C (5000 mAh) and D (10000 mAh)24 battery package provides huge savings and for all your battery needsVery long life time means thousands of dollars in savings by eliminating the need to buy hundreds of throw away Alkaline batteries. A similar throw away battery package like this would cost you $15 $20, but they can be used only once.Exact replacement for standard AA/AAA/C/D size batteries and NiCd rechargeable batteriesConvenient operation due to the advantage that NiMH batteries have no memory effect. Can be charged anytimeCan be rapidly charged with smart chargers and universal chargersBatteries tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time Technical Specifications Size Capacity Weight Dimensions Voltage Standard Charge Rapid Charge AA 2500 mAh 30g H 50.5 X D 14.5mm 1.2V 15 hours @ 180 mA 2.7 hrs @ 900 mA AAA 1000 mAh 13g H 44 X D 11mm 1.2V 15 hours @65 mA 1.5 hours @650 mA C 5000 mAh 85g H 49 X D 25mm 1.2V 15 hours @ 300 mA 2 hours @ 3000 mA D 10000 mAh 165g H 59 X D 33mm 1.2V 15 hours @ 800 mA 3 hours @ 4000 mA