Duracell Hi-Speed Charger - ready in 4 hours | Duracell Hi-Speed Charger is your simple, safe and reliable solution to never missing out on anything that happens in your life | The Duracell Hi-Speed Charger 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 that you have the power you need without the worry | The charger comes with Duracell's 5-year guarantee so you can rely on Duracell's best, long-lasting power every day | Start a new adventure in life with full power, high performance and good value for money - the perfect balance | Can be used with either Duracell AA or AAA rechargeable batteries | | 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 | Partial charge LED indication - Up to 4 hours of use: 45 minutes