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Battery load test shortens battery life - really?

@Peter can you remind us why you were not using the C1 rate?

Antonio
LESB, Spain

2.7 ohms is close to C1 discharge (15Ah 24V battery), no?

Funnily enough I have a box here with the bits needed to build a proper constant current discharger, with a counter of seconds on it It’s just that the incentive to build it surfaces just once a year…

Administrator
Shoreham EGKA, United Kingdom

C1 rate should discharge in 1h to 20V if full rated capacity (by definition) .

Cap checks at C1 rate always last <1h except a brand-new, top-5-percentile battery.

Ideally you should have a constant 15A discharge, but a constant resistor is good enough for your purpose, I just think you need more like 1.5ohm

Antonio
LESB, Spain
73 Posts
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