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Old 04-06-2010, 06:06 AM
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ajbrown ajbrown is offline
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One of my favorite DIY projects was to convert my 2002 CC DS from 6-8v to 8-6v batteries. You have to weigh out the costs compared to the gain and your requirements. Because I did this myself the cost for the gain was minimal.

Here is one thread where I share things I learned:
https://www.talkofthevillages.com/fo...ad.php?t=27321

The highlights from that thread are...

A formula I found to use a guideline when estimating range of a battery pack:

Quote:
I have read the formulas which can help understand range of a battery on other forums which calculate Watt Hours:

Pack Voltage x AMP hours = Watt hours (WH)
I have read that we burn about 200 WH per mile.

Examples with Trojan batteries:
T105 (6v): 48 x 225 = 10800
T890 (8v): 48 x 190 = 9120 (1680 less, ~8 miles)
T875 (8v): 48 x 170 = 8160 (2640 less, ~ 13 miles)
T1275 (12v): 48 x 150 = 7200 (3600 less, ~18 miles)

The there some guy named Peukert , so I say let the rubber hit the road
.

Here is my actual test results. I only ran the batteries to about 50% state of charge. Although they could go a bit further, it is not good for them:

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