Speaking Of Harbor Freight...
This load tester costs fifty dollars. I own one. It will CORRECTLY load test a tiny garden tractor battery all the way up to a 160 lb 8-D battery. CORRECTLY The cheese grater type testers ...
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I devised the GC 220 formula because of the higher capacity lower amperage of the DUT. Nice to have had pallets of new T105 batteries, Ramcar 3 cells, and various good, fair, and failed batteries.
The extra 15 seconds does build up heat but the watt seconds = a battery tested at 400 amps drawn for the standard 15 seconds.
Slap an intake fan on this gizmo and there you go.
The extra 15 seconds does build up heat but the watt seconds = a battery tested at 400 amps drawn for the standard 15 seconds.
Slap an intake fan on this gizmo and there you go.
