over charger batteries???? 12v now is over 17v??????:(

[luisito]

question? this bateries are not for solar?

Those batteries you have are completely inappropriate for Renewable energy applications, and you configuration of using 20 in parallel is insane just asking to be killed.

What you have is batteries designed for UPS systems emergency Stand By Power. They are not made for cycle service. . At best they have maybe 100 to 200 cycles in them or less than 1 year service in a cycle RE service.

When you replace them by batteries for cycle service and sized so you only need 1 string.

I also agree with John it would be almost impossible to get a 12 volt battery up to 17 volts. Only way to do that is they are open circuited (destroyed). Take one out and measure the voltage after it has rested for a few hours. Bet it will be less than 12.6 volts. If so you now have an expensive boat anchor.

they have been disconected for a few days and didnt discharge yet??
im still weating for my 160 amps controller

if my bateries are ok i will be selling this bateries

[Sunking]

I will ask this for the last time. How many watts is your solar panel array?

[luisito]

solar panel

I will ask this for the last time. How many watts is your solar panel array?

is only 85 watts
i suppost to buy 2 more maybe 175 watts this year,,,
any sugestions?

[Sunking]

is only 85 watts
i suppost to buy 2 more maybe 175 watts this year,,,
any sugestions?

You are joking right? 85 watts? At 85 watts the most current you can generate is 7 amps at 12 volts. You need 6000 watts of solar panels and 320 amps to charge your batteries with.

With what you have now is not even enough to charge 1 battery you have now let alone 20 of them.

[luisito]

??only one batery....

You are joking right? 85 watts? At 85 watts the most current you can generate is 7 amps at 12 volts. You need 6000 watts of solar panels and 320 amps to charge your batteries with.

With what you have now is not even enough to charge 1 battery you have now let alone 20 of them.

so there is something wrong with my bateries...?
i dont have 6000 watts on solar panels...?

[Sunking]

so there is something wrong with my batteries...?

You could say that, you have 19-2/3 too many of them for a 80 watt panel

i dont have 6000 watts on solar panels...?

With the amount of battery capacity you have, you need 6000 watts of solar panels to keep them charged.

With an 80 watt panel, all you need is one single 12 volt 80 to 100 amp hour battery, and a 10 amp charge controller. With that setup you can power your computer for about 2 hours per day and that is it. So what I am telling you with your 80 watt solar panel is it is not even large enough for just 1 of your batteries. You would need a 300 watt panel for each one of your batteries, or 6000 watts to run your 20 batteries.

[luisito]

ANOTHER problem?? solar panel

It is not mean, it is fact. If you have 20 of the 12 volt 300 AH batteries you need 6000 watts of solar panels and a minimum of 6 80 amp charge controllers. Not 1 or 2 40 amp CC's, 6 of them with with 6000 watts of solar panels.

So something is very wrong with what you claim Just having 1 charge controller is not enough to even over come the self discharge rate. No chance you could have ever over charged the batteries to begin with.

when i disconected the cables from the charger controller
i dont remember if i insulated the cables so didnt touch together??

now i conected the old charger controller
i not get in any kind signols
my voltemerter i should read any numbers right?

[Mike90250]

I am going to LOCK this thread. It's going no-place.

Luisito - if you can get someone local to help you with your translations, and start this thread again, we will try to help.

But we need the following information about your gear and setup.

Loads: Size from the appliance nameplate and hours daily.
150W 4 hours
1/2 hp 90 minutes

Charge source
a) PV panels, the Vmp and Imp off the back of the panels
b) spec from AC charger or generator

Batteries:
a) voltage
b) AH capacity
c) quantity (how many batteries in the bank)

System:
a) voltage
b) inverter input voltage, and output voltage and watts
c) charge controller