Sunday, February 7, 2010

Using the existing fuel gauge as a battery meter

I just found this:

http://www.evworks.com.au/index.php?product=171

It measures the current flowing through your traction cables. Measuring current along with time gives you Ah used. This works on the same principle as the Cycle Analyst I will be using however it has one really neat feature.. It is designed to connect to an existing fuel gauge.

What does all this mean? It means I can use the existing fuel gauge in the dash as a battery charge meter!

The plan is to have the car look as stock as possible on the inside, utilising all existing gauges (speedo, tacho, fuel gauge, engine warning light and battery light). But at the same time I will have more accurate gauges showing pack voltage, current, motor current etc. all hidden away in the glovebox.

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