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12thgenusa's avatar
12thgenusa
Explorer
Aug 26, 2013

Are multiple shallow cycles harmful for batteries?

I recently came across this statement in one of the Smartgauge tech papers: "The more a battery is used the shorter it's life will be. The less it is used, the longer it's life will be. The only...
12thgenusa's avatar
12thgenusa
Explorer
Aug 27, 2013
Just had another thought about this situation. You have to apply Peukert. If you use the Peukert Calculator, plug in 440 for battery capacity (at 20 Ah rate) and .5 for a discharge rate it calculates 1369 total hours available. An overnight use of 10 Ah would only be .37% of the available Ah at that rate. NICE.

Wiser folks than me seem to poo-poo the whole 5% threshold. Another old wives tale, perhaps?

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