If on a lead-acid battery, several cell checks of SG read consistently low. Battery needs
- topping up with distilled water
- replacing
- recharging
Explanation from PART66Online
Specific gravity falls as a lead-acid cell discharges because the sulphuric acid is consumed. Several cells reading consistently low SG indicate the battery is simply in a discharged state rather than faulty or low on water, so the correct action is to recharge it and then recheck the readings.
J
Jordi asked · 21 Apr 2021
Shouldnt it be replacing?Because we've already performed several cell checks and it remains low .
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