# You asked: Can I use a 24V solar panel with a 12v battery?

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Yes, you could do it. They are usually designed to put out at least 30% more than the batteries they are intended to charge. … This works perfectly well because a PV module is (at a constant light level) a constant current device.

## Does solar panel voltage have to match battery voltage?

When the battery is charged by the solar panel, the voltage of the solar panel should exceed 20%-30% of the working voltage of the battery to ensure normal charging of the battery. For example, charging a 6V battery requires an 8-9V solar panel, and charging a 12V battery requires a 15-18V solar panel.

## What happens if you charge a 12V battery with 24V?

If you just plug a 12 volt a battery into a 24 volt charger it will die in a matter of hours.

## What is the difference between 12V & 24V solar panels?

A 24v solar system is more or less similar in appearance to a 12v system, however, to distinguish it from a 12v system, a 24v system has twice the number of solar cells summing up to a total of 72 cells. It produces 24v used in either 24 or 12v electrical appliances.

## Is 24V more efficient than 12V?

Because 12V batteries use two times the amperage at a given power draw, they are less efficient than a 24V battery due to resistive losses.

## Can I connect different voltage solar panels together?

Connect in parallel panels of different brands and of the same voltage. Connecting different solar panels in a solar array is not recommended since either the voltage or the current might get reduced. This leads to lower output power, and hence to less solar-generated electricity.

## What is the maximum voltage of a solar panel?

Most solar panel manufacturers will specify the panel voltage at maximum power (VMP). This voltage is typically around 70 – 80% of the panel’s open circuit voltage (VOC). In Figure 1 the maximum power is just under 140W with VMP just under 32V and IMP just under 4.5A.

## Can a 12V solar panel charge a 6v battery?

Can you use a 12v solar charger on a 6v battery? … Yes, as long as you’re wiring your 6 volt batteries in series, they’ll add up to the desired voltage. However, if you need a larger 48 volt system, it would probably be wise to purchase larger voltage batteries to save weight and space.

## How do I choose solar panel voltage?

The choice of the rating of a solar panel depends on the rating of the battery used. Generally, a 12V solar panel should be paired with a 12V battery and a 24V solar panel should be used with a 24V Battery.

## Can I connect a solar panel directly to a battery?

A solar panel can be connected directly to a 12 volt car battery, but must be monitored if it’s more than 5 watts. Solar panels rated higher than 5 watts must not be connected directly to a battery, but only through a solar charge controller to protect against over-charging.

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## Can I charge 2 12V batteries with a 24V charger?

24 volts is not enough to charge two series connected 12 volt lead acid batteries. You really need 28 – 30 volts to get a full charge in that configuration.

## What is the advantage of 24v over 12v?

Using a 24 volt supply instead of a 12 volt supply greatly reduces the wiring cost to almost half the original cost. This is so because increasing the voltage of a system causes a reduction in the current through it, and in turn reduces the size of the wires you need .

## How many solar panels do I need for a 24v system?

Since off-grid solar panels are usually setup for 12 volt charging system, if you have a 24 volt battery system, you will need to wire two panels in series, or get a single high voltage solar panel, in order to generate enough voltage to charge a 24V battery.

## Which is better 12v or 24v battery?

In an electric vehicle the power usually comes from the battery, and is converted by the motor into energy. Electrical power is volts multiplied by amps so that 40 amps from a 12v battery is 480 watts. … so a 24v system is always better than a 12v system – provided you can physically fit two batteries.