Big news out of General Motors, where Vice Chairman Bob Lutz says engineers have started road-testing Chevrolet Volt test mules with lithium-ion batteries and the company has "growing confidence" the ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

View post: This $740 Electric Bike Is a 'Joy to Ride' — And It's 42% off at Walmart Doing your own electrical work can be rewarding, personally and in terms of saving money. However, it’s a job that ...

Measuring rise time for a power source. Voltage vs. time signals measurements via a scope. A practical setup for battery testing. I was recently asked a question about a dc power supply, aka a voltage ...