Pale Blue batteries are the world’s best rechargeable Lithium Polymer AA and AAA batteries! Pale Blue use cutting edge technology to create a sustainable and money saving solution to replace disposable batteries. Each Pale Blue battery is able to replace up to 1,000 Alkaline batteries in its lifetime and keep disposables out of the landfill. Rapid charging using an included 4 to 1 cable and built in micro USB charging port allows for a full recharge in 1hr for AAA and 2hrs for AA so you are never without power. All this adds up to a convenient, money saving, and sustainable solution for your mobile power needs.