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electrical:12v:lvd [2017/05/28 13:29] frater_secessus [common LVD setpoints] |
electrical:12v:lvd [2017/05/28 16:49] frater_secessus [common LVD setpoints] |
This following chart((http://www.trojanbattery.com/pdf/GEL_Trojan_ProductLineSheet.pdf)) shows DoD vs expected duty cycles. In an offgrid scenario we will assume the bank is cycled every night. If the bank is drained to the usual 50% DoD the bank((under lab conditions)) is predicted to last 1000 cycles, or about 3 years. If the bank cycle is shallower to 20% DoD the bank is expected to last 2500 cycles, or about 7.5 years. If the bank is deeply cycled to 80% DoD the bank is expected to last 500 cycles, or about 1.5 years. | This following chart((http://www.trojanbattery.com/pdf/GEL_Trojan_ProductLineSheet.pdf)) shows DoD vs expected duty cycles. In an offgrid scenario we will assume the bank is cycled every night. If the bank is drained to the usual 50% DoD the bank((under lab conditions)) is predicted to last 1000 cycles, or about 3 years. If the bank cycle is shallower to 20% DoD the bank is expected to last 2500 cycles, or about 7.5 years. If the bank is deeply cycled to 80% DoD the bank is expected to last 500 cycles, or about 1.5 years. |
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{{ :electrical:12v:ladutycycles.png?direct&400 |}} | {{ :electrical:12v:ladutycycles.png?direct |}} |
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The sweet spot appears to be 40% DoD, about 12.3v. | The sweet spot appears to be 40% DoD, about 12.3v. |