Duracell Hi-Speed Charger is your simple, safe and reliable solution to never missing out on anything that 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 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. The charger comes with 2 x AA, 2 x AAA Duracell rechargeable batteries.