The Duracell S514 Hi-Speed Charger is your simple, safe and reliable solution to never missing out on anything which happens in your life. Comes with a partial charge indication and after batteries are completely charged, the charger can automatically shut off to prevent overheating. Its 9 safety features make sure you have the power you need without the worry. Comes with Duracells 5-year guarantee so you can rely on Duracells best, long-lasting power every day. 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. Supplied with:2 x AA Cell 1300Mah Rechargeable Batteries and 2 x AAA Cell 750Mah Rechargeable Batteries.