What does a HR mean on a battery?

Updated: 17th October 2019

Simply said it means 20 Hour Rate. Usually SLA Batteries are rated at 20HR. A High Rate Battery on the other hand is generally rated at 10HR or less. Lets say a SLA battery is rated at 20Ah capacity at 20HR. This basically means that the battery can discharge 1 amp per hour over a 20 hour period.

Updated: 17th October 2019

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