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How to calculate the use time of lead-acid batteries

by：Power Kingdom 2021-06-30

Label: Q: I have a 12V24AH lead-acid battery and a 12V60W lamp bulb. How should I calculate how long the lead-acid battery can last? Answer: If you calculate the usage time of a fully charged lead-acid battery, you can use voltage * capacity and then / usage power u003d usage time. According to the information you provide, the result is 12*24/60u003d4.8 hours, but this is only As a reference number, we do not recommend to discharge the battery deeply, so divide by a safety factor. Generally, the safety factor is around 1.2-1.3, 12*24/60/1.2u003d4 hours. In other words, a 60W machine with a fully charged 12V24AH can take up to four hours.
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