Glossary

Terms for Architecture, Green Building & Energy

This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Battery Energy Capacity

Definition: The total energy available, expressed in watt-hours (kilowatt-hours), which can be withdrawn from a fully charged cell or battery. The energy capacity of a given cell varies with temperature, rate, age, and cut-off voltage. This term is more common to system designers than it is to the battery industry where capacity usually refers to ampere-hours.