What's not to love about a battery that saves you time, money, and the environment too? The Energizer Ultimate Lithium AA Rechargeable Batteries can be recharged for up to 1000 cycles, have a 12-month battery life when left in storage, and can last for up to 5 years. They can be used in digital cameras, GPS-based devices, and all other means of battery-operated gadgets and can last between 5 and 6 hours when in continuous use.