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HiTech's avatar
HiTech
Explorer
May 23, 2013

Checking hydrometer accuracy with charged battery voltage

Is it true that: Specific Gravity = Cell Open Circuit Voltage - 0.845? Could one average the specific gravity readings across cells in a battery, and use this formula to check the accuracy of th...
HiTech's avatar
HiTech
Explorer
May 28, 2013
Lol 3 kids in college and tuition bills almost due.

My idea in the other post about getting the relation of SG to voltage was to try a cheapie and see if it agrees.

Jim

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