1.5Volt Doulb A(AA) Rechargeable Lithium Battery Pack with Battery Storage Case Six reasons for choosing Hixon's new generation rechargeable batteries aa: 1.3500mWh high energy, longer battery life than nickel-metal hydride batteries 2.Durable,1500 cycles,more economic than alkaline battery 3.Constant 1.5volt aa battery,1.5V full-range constant voltage, strong power to the end,suitable for all kinds of large current, high voltage requirements of electrical appliances,enjoy steady and smooth using time 4.2H fast charging,faster than Ni-MH battery 5.Lead-free mercury,non-toxic.Compared with ordinary Ni-MH batteries and disposable dry batteries, Hixon rechargeable AA batteries are more durable.The rechargeable batteries is also the mainstream trend in the future 6.