Hi Vasile,
I already took your warning. The little black box on the left is an old 
regulator that both monitors the max voltage and shuts down when the 
battery is dead.

Op woensdag 13 juli 2022 om 05:00:41 UTC+2 schreef vasile:

> Hans,
> if you want a long life for the acid gel (VRLA hopefully, beter 
> lead-carbon but I doubt you bought that one) you need to discharge it at 
> max 50% ( better only to 80%) of it's maximum capacity. Deep discharge is 
> the accumulator dead no matter the lies written on battery datasheet 
> datasheet ( 800 cycles and deep discharge). 
> Also check carefully the floating voltage ( near zero consumption) to not 
> exceed 13.3-13.6V.
> Lead-acid gel has the ugly behaviour of slow voltage decrease during gel 
> drying. At the same time the current decreases too. Serious 
> charge-discharge cycles are better than float discharge.
> Be happy. You have now sun power for the puppets!
>
> On Wed, Jul 13, 2022 at 3:15 AM hans <[email protected]> wrote:
>
>> Hello all,
>>
>> Here is the solar panel I will be using. I just went back to 12 volts and 
>> a small lead acid battery.
>>
>  One motor drives the axis that is parallel to the Earth's axis and 
>> follows the sun. Actually the screen should go 24 degrees up (June) and 24 
>> degrees down (December) but I did some measurements and the gain is too 
>> small for me to do anything about it.
>>
>> Anyway, Jal lets things run smoothly again and now we just have to wait 
>> and see if the weather gods accept this thing.
>>
>> regards
>>
>> Hans
>> [image: zon_set.jpg]
>>
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