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HOMER Pro 3.13

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Battery Roundtrip Efficiency

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Type:

Input Variable

Units:

%

Symbol:

ηbatt,rt

The battery round-trip efficiency is the round trip DC-to-storage-to-DC energy efficiency of the storage bank, or the fraction of energy put into the storage that can be retrieved. Typically it is about 80%. HOMER assumes the storage charge efficiency and the storage discharge efficiency are both equal to the square root of the round-trip efficiency.

See also

Battery Charge Efficiency

Battery Discharge Efficiency