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 […]

The Emissions Neutral Vehicle (ENV)

These bikes were designed by the British team Intelligent Energy. The ENV bike is fully-functional and is based around their Core Fuel Cell from the ground up. The Core, which is completely detachable from the bike, is a compact fuel cell, capable of powering anything from a motorboat to a small domestic property.

Wet Lead Acid Batteries

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Wet Lead Acid batteries are the most common batteries used in energy systems because of their price, local availability, and ease of recycling. A properly maintained lead acid cell will last about ten years. This type of battery will deliver about 1000 full charge-discharge cycles. The drawbacks of Wet Lead Acid Batteries include the following: […]

Gel Cell Batteries

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Gel Cell batteries are also lead acid but the electrolyte is in gelatin form instead of liquid. Thus, they need no maintenance — water does not need to be added, and it doesn’t corrode. They can also be stored in any position and since there are no dangerous fumes, they can be placed in any […]