S S SolarSamSurfer Apr 30, 2022 Good morning! I now have my hydrometer and 12v charge controller so i am finally ready to test my batteries! i was wondering if i need to fully charge the batteries before testing them with the hydrometer? or if i can test them at any voltage?
Good morning! I now have my hydrometer and 12v charge controller so i am finally ready to test my batteries! i was wondering if i need to fully charge the batteries before testing them with the hydrometer? or if i can test them at any voltage?