iGo Green rechargeable alkaline batteries provide the versatility and cost of disposable alkalines but with the added benefit of recharge-ability, saving even more money. And with none of the heavy metals found in other rechargeables, they"re the greenest batteries available! Features: * The only non-toxic rechargeable battery * Patented technology make these the only rechargeable alkaline batteries available * Pre-charged and ready to use * Designed for "charge and store" - holds charge for up to 7 years * Same 1.5 volts as disposable alkalines * No heavy metals - contains no Mercury, Cadmium, Lead, or Nickel What"s In The Box: * iGo AC05059-0001 Rechargeable AAA Alkaline Batteries - 4-Pack