Price: (as of – Details) From the manufacturer Ready in 4 hours* (Approx. 90% of full charge, when using Duracell 1300 mAh AA NiMH batteries. Approx. 80% of full charge when using Duracell 750 mAh AAA NiMH batteries.)Duracell Hi-Speed Charger charges 4 AA rechargeable batteries in 4 hours (Approx. 90% of full charge, when using