How Much Solar Panel For 150ah Battery

So your 12v battery of 150ah needs 1800wh of energy 12 x 150.

How much solar panel for 150ah battery.

Now maximum is 29a. 80 solar efficiency 12v lead acid battery solar charge controller for more fun use mppts first to correctly charging a 12v 150ah lead battery we need max 10 input current from 150ah capacity meaning max 15a. Best 12v battery solar charger. The answers you ve got so far from vladimir and martin give you a good first order approximation.

In 5 h with 15a available you will get from 50 to 99 9 with a brand new battery. I a have 24 v solar system 4 battery 150 ah battery connected in parallel 2x12v 2x12v installed two months back. Best 12v battery solar charger panel typically put out about 13 6v to 17 0 volts use to charge 12v battery or to run any 12v devices. Energy power x time.

3 once you have calculated the solar panel as per the above calculations it s time to calculate the ah rating for the batteries that might be required for operating the specified load under all conditions. Best solar panel for charging 12 volt battery is perfect for portable off grid systems such as small cabins rvs sheds car and boats. Now on the voltage of the panel you need a panel capable of up to 14 5 volts to fully charge the battery even when it starts charging at. Using converter you can charge mobile also.

A 24v panel may give as low as 18 20v depending upon sunlight but you should a voltage regulator in between. The equation above simply means that your 12 volt battery will be able to deliver 240 watts of power for an hour 120 watts for two hours it may also mean that your battery can provide 2 watts of power for 120 hours it depends on how much power you are using the more power you use the faster your battery will discharge. For a 150ah battery i read the minimum current required for charging is 15 a. Again assuming a fully depleted battery you would need 20 amps average charging current 100 ah 5 hours.

If the selected battery is rated at 12v in that case. Power current x voltage. What is the current voltage supplied to the battery for charging. So a 25w pv panel would need 72 hours at full output 1800wh 25w.