The batteries gave on the user an average 3 months of usage.

After 18.5 hilly miles, the battery had given its all, but a full recharge takes only 90 minutes and costs about 2p.

The solar batteries give the car an almost unlimited range.

The battery should give the car a 50 mile electric-only range.

"This battery will give design engineers a power system for emerging technologies in the 21st century," he said.

A British battery had got their range and was giving it to them hot and strong.

The battery will give it 8 to 10 hours of battery life.

They lose more energy than the battery gives them.

The battery gives them more than they lose, and they speed up.

The unit's batteries give the user approximately 30 hours of life.