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Measuring State-of-Charge on Lead Acid Batteries

Porsche 914 EV Conversion

Since I'm still waiting on parts from ElectroAuto, I decided to take the plunge and do some extensive research on Lead-Acid battery technology. Given that I'm using lead-acid technology, one of the big challenges is knowing just how much charge is left in the batteries so I don't run them down below 20% SOC (or state-of-charge).

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EnerG2 opens new EV battery components plant with support from Recovery Act

Green Car Congress

Seattle, Washington-based EnerG2 ( earlier post ) recently held a ribbon-cutting ceremony to celebrate the opening of its new manufacturing facility for electric vehicle battery components in Albany, Oregon. Supported in part by $21.3 million grant and loan package through the State of Washington’s State Energy Program funding.

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DOE AVTA Completes 1M Miles of Plug-in Hybrid Electric Vehicle Testing

Green Car Congress

Manzanita Prius Lead acid. In a recent talk on AVTA for Oregon EV planners, Jim Francfort from INL made the following macro observations from the testing results so far: Driver behavior, charging frequency, and environmental conditions have significant impacts on electric drive vehicles’ 80-85% energy efficiencies and mpg results.

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EnerG2 nano-structured hard carbon boosts Li-ion anode capacity by >50% compared to standard graphite

Green Car Congress

Lead acid batteries for micro-hybrid applications: M2-23 series for Highest performing in power, charge acceptance, and cycle life; and the M2-33 series for a match of power performance and cost effectiveness. The 74,000 square foot plant—located in Albany Oregon—came online in February 2012.

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

Tony Karrer Delicious EVdriven

Though equipped with decidedly low-tech lead-acid batteries and having a top speed of only 60-to-65 kilometers an hour, the car can go 100 kilometers when fully charged, according to the two companies. Mitsubishi to help Oregon build. and Korean golf cart maker CT&T Co. are expected to begin producing jointly this summer.

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Electric Car Makers: Oregon Wants You - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

Mr. Kulongoski wants to make Oregon the go-to state for electric vehicle production. In a flurry of electric vehicle activity, three back-to-back announcements this week have placed a spotlight on Oregon’s plans to be the friendliest state in the nation in which to build, sell and buy electric cars.

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Electric Car Manufacturers Inspire New Paradigms -- Seeking Alpha

Tony Karrer Delicious EVdriven

Kulongoski, Oregon as the electric-car manufacturer may be eyeing the “green” city of Portland. Today we could be using lead-acid EVs, lead-carbon-acid EVs, or nickel metal hydride or lithium-ion hybrids. Think has established a U.S. headquarters and will begin sales in the U.S. before 2010.