LiFePO4 Batteries: A Breakthrough For Electric Vehicles


Note: If you looking for AA-sized LifePO4, you can find them here. Soon, we’ll probably be seeing Lithium Iron Phosphate (LiFePO4) batteries being used in most electric cars and bikes. This new battery type is set to dominate the market. Based upon lithium ion technology, LiFePO4 batteries offer many advantages over lithium cobalt dioxide (LiCoO2) batteries which are commonly used …

A Portable Kinetic Motion Charger

Human Motion Charger

A company called M2E Power has announced plans today to release a charger that will powered by kinetic motion. The released date is expected to be next summer. The charger derives power from the motion of walking, jogging, cycling, or driving. Six hours of motion provides 30 to 60 minutes of charging power. It will be priced between $25 and …

The Best Battery Chargers (For D and C Size Batteries)


We briefly reviewed battery chargers in a previous post “The Best Rechargeable AA Batteries“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle AAA, AA, C, D sized cells, and well as 9V cells.

New “Eneloop” Rechargeable Batteries From Sanyo

Sanyo has developed a rechargeable battery that comes charged — so buyers don’t have to charge it before use. The new battery is a nickel metal hydride (NiMH) cell of the type commonly found in many portable electronics products but with a key difference. Typically, NiMH batteries lose charge over time if they are not used. Sanyo said its new …