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12V small semi portable Powerwall
#11
Quote:I'm new to this so I"m still trying to understand how everyone comes up with the voltages. Isn't yours 16volt? Each pack 4.2 volts.

Yes, in theory it's a 16.8V - 11.2V system but due to limitations in the solar-charger and inverter (12dc - ac) + the top/bottom balance also for better health in the used cell's. The range is: 15.5V - 12V --- 3.87V - 3.0V per cell.

Good luck with your project! Keep us posted Smile
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#12
Just received my new psu for charging my bank! Smile when no sun. Lot's of power for a cheap price *excited*

It is a constant current model!

Wonder how the 18650's will behave and at what voltage I should disconnect (70% - 90%)? anyone know what happen's if you keep a cc on the battery for a longer period of time?

Cheers guys!



MODEL S-400-15
OUTPUT DC VOLTAGE 15V
RATED CURRENT 27A
RATED POWER 405W
VOLTAGE ADJ.RANGE 13.5-16.5V
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