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cluros(at)gmail.com
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 Posted: Fri Aug 11, 2017 3:22 pm Post subject: Analog electric clock with a relay circuit for battery capa |
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This looks pretty fancy for the price. I have a 20% coupon so it comes to $55.
https://www.harborfreight.com/digital-automotive-battery-analyzer-66892.html
- Checks voltage, cold cranking amps (CCA), resistance and overall battery condition
- Continuous testing will not damage battery
- Uses car battery for power, no extra internal batteries needed
Does the list think this will do the job?
On Wed, Aug 9, 2017 at 10:26 AM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
| Quote: | At 06:28 PM 8/8/2017, you wrote:
| Quote: | Bob,
Some time ago you posted a simple circuit for doing an approximation of battery capacity. The circuit consisted of an analog electric clock to measure the time required to discharge a battery, through a light bulb, down to 10 volts. I would like to build one of these to use as an annual battery condition test. Can you direct me to where I might find information on how to make one? |
Yeah . . . that was a pretty crude, first
pass at a po' boy's cap checker. That
article can be found here:
http://tinyurl.com/ybvx57bu
There's a more accurate and convenient version of
that project in the works but the device
in the article will produce good benchmark
numbers for your battery's 'stage of service
life'.
Bob . . .
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