article thumbnail

ecovolta develops standardized Li-ion traction battery; saving cost and time

Green Car Congress

We estimate that vehicle manufacturers using a battery with an operating voltage of 48 volts and a capacity of 10 kilowatt hours (kWh), for example, will be able to save a total of 250,000 to 500,000 euros in development and certification costs. And things can move a lot faster, too. —CTO Paul Hauser. kWh to 15 kWh.

Li-ion 255
article thumbnail

Electric Quad Project.

DIY Electric Car

36/48 volt. I am leaning towards a golf cart or forklift motor. This is a 24 volt system, and made for flat, hard surfaces. All the Golf cart motors I have been finding on the net are either 10 or 19 spline. But the cost of a motor and controller is going to be the biggest expense. Golf cart motor ?

Golf Cart 100
article thumbnail

New York City adding 70 electric vehicles to fleet; launches EV educational push

Green Car Congress

Chevy Volt and Navistar E-star are visible in the background. New York City is adding 70 electric vehicles to its fleet: 50 new Chevrolet Volts, 10 fully electric Ford Transit Connect cargo vans, and 10 new fully electric Navistar E-star utility trucks. The Chevrolet Volt is the first electric car being used by the NYPD.

article thumbnail

Battery Equalizer Schematics Rev 1.0

Porsche 914 EV Conversion

The circuit above costs less than $10 per battery in parts and I hope to make this available to everyone to help people make their batteries last longer. I'll have to modify the circuit with a voltage doubler in the final stage to work with 8-volt golf-cart batteries for the 914 EV kit. It seems to work fine on my bench.

Golf Cart 147
article thumbnail

More Delays

Porsche 914 EV Conversion

I'm working with an analog design engineer at HP to come up with a homebrew BMS system that does charge sharing similar to the PowerCheq systems, but for much cheaper, hopefully around $10 per battery instead of the $75 that PowerCheq units cost.

Golf Cart 100
article thumbnail

GM Says Chevrolet Volt Won't 'Pay the Rent' | Autopia from Wired.com

Tony Karrer Delicious EVdriven

Newly installed CEO Fritz Henderson argues that pioneering projects like the Volt typically lose money until the technology catches on. It is simply the cost of doing business. "The Volt is a case study. " In other words, General Motors is going to lose its shirt until the Volt establishes itself in the marketplace.

Volt 41
article thumbnail

China puts its electric vehicles on center stage - China automotive news

Tony Karrer Delicious EVdriven

Chevrolet Volt plug-in hybrid, which is expected to sell for $40,000 when it goes on sales in the U.S. GM plans to launch the Volt in China in 2011. Another notable battery car, though its producer decided to skip the Shanghai show, is a super-low-cost, two-seat mini electric car that Chinese parts producer Wonder Auto Technology Inc.

China 28