I have a light that needs to be powered by battery. It is a 12V light that draws 4.54 A of current. If I purchase a SLA battery that is 12V rated 5.0 Ah would that battery be sufficient? I am confused on the whole Amp/hours rating. Is a 5.0 Ah battery able to deliver 4.5 A of current? And for how long? Will be using deep cycles probably lighting the light for 10 seconds at a time. Any help appreciated.
September 13, 2017
Amp-hours are just that. Your 5 Ah battery will deliver 1A for 5h, or 2A for 2.5h, just multiply amps by hours. But there is no guarantee it will deliver the required 4.54A. That's another part of the spec.
September 18, 2017
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