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chuck3's avatar
chuck3
Explorer
Apr 29, 2015

Need help getting correct battery AH for off-grid

Hello, I will be making a few off-grid one-day trips and wanted to make sure I am buying the correct battery for my needs. The battery will be a deep cycle AGM. The Amp Hours (AH) I'll need per day...
jrnymn7's avatar
jrnymn7
Explorer
Apr 29, 2015
chuck3 wrote:
Yes, the battery will be charged using a 120v to 12v converter charger. The trips will be for one day each, and if for some reason I need 2 days, I can make a 10-mile overnight trip to recharge the battery.

"But keep in mind, the deeper the cycles, the lower the battery's life expectancy." - Given my use, would a 75AH battery as opposed to 50AH make a significant difference in the battery's expected life?


Here's but one example of Depth of Discharge vs. Life Expectancy:

DOD vs Cycles Chart

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