[RE-wrenches] Checking Specific Gravity, correct procedure.

[William Miller]

US Batteries L16s. 

William Miller
www.millersolar.com

> On Feb 23, 2021, at 5:04 PM, Jay <jay.peltz at gmail.com> wrote:
> 
> 
> Hi William
> 
> I’m wondering what specific batteries you did this test on
> 
> Thx
> Jay
> 
>>> On Feb 23, 2021, at 4:32 PM, William Miller <william at millersolar.com> wrote:
>>> 
>> Open the link. It’s all there. 
>> 
>> William Miller
>> www.millersolar.com
>> 
>>>> On Feb 23, 2021, at 2:32 PM, Howie Michaelson <Howie.Michaelson at gmail.com> wrote:
>>>> 
>>> 
>>> William,
>>> How much of a difference did you see in readings after an equalize charge before adding water vs. after adding water and doing a short bulk charge?
>>> Howie
>>> Howie Michaelson
>>> Sun Catcher
>>> NABCEP Certified Solar PV Installer™
>>> Solar Electric & Heat Pumps Systems Sales & Service
>>> 802-272-0004
>>> 
>>>> On Tue, Feb 23, 2021, 5:27 PM William Miller <william at millersolar.com> wrote:
>>>> Wrenches:
>>>> 
>>>>  
>>>> 
>>>> If you recall, I had asked the question: After equalizing batteries, should I check SG before or after watering?  I performed the test I had promised to do.  The answer is, add water first.
>>>> 
>>>>  
>>>> 
>>>> Here is the report on my test:  Link
>>>> 
>>>>  
>>>> 
>>>> Conclusion: Here is the proper order of steps to check Specific Gravity:
>>>> 
>>>> 1. Verify water level in cells is above the moss-guard. Add water only to bring water to top of moss-guard if needed.
>>>> 
>>>> 2. Run Equalizing charge.
>>>> 
>>>> 3. Add distilled water to all cells to bring electrolyte to recommended level.
>>>> 
>>>> 4. Apply bulk charge voltage to batteries for 30 minutes to mix electrolyte.
>>>> 
>>>> 5. Test and record Specific Gravity.
>>>> 
>>>>  
>>>> 
>>>> It seems obvious now, but I had to test it out…
>>>> 
>>>>  
>>>> 
>>>> William
>>>> 
>>>>  
>>>> 
>>>>  
>>>> 
>>>> Miller Solar
>>>> 
>>>> 17395 Oak Road, Atascadero, CA 93422
>>>> 
>>>> 805-438-5600
>>>> 
>>>> www.millersolar.com
>>>> 
>>>> CA Lic. 773985
>>>> 
>>>>  
>>>> 
>>>>  
>>>> 
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