How to Check Battery Specific Gravity - Hydrometer

We quickly show you how to use a battery hydrometer for 6 volt deep cycle batteries or golf cart batteries.  Specific Gravity is a clear test on a deep cycle batteries health, state of charge and future performance.
Specific Gravity measurements are temp rated
Battery University Link for Specific Gravity https://batteryuniversity.com/article...
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SG of specific gravity can only be tested on a battery that has been charged. 1.224 SG is not sufficient charge to load test a battery. Most batteries are considered bad because they are tested without a full charge. http://deepcyclebatterystore.com/

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