12v Battery 24v Solar Panel
For safety use the open circuit voltage to calculate series connections in this case the 100 watt panel has 22 5 volts open circuit and 5 29 amps.
12v battery 24v solar panel. For any given load half the dc current and losses are down by. Tp solar solar panel kit 100 watt 12 volt monocrystalline off grid system for homes rv boat 20a 12v 24v solar charge controller 16ft solar cables z brackets for mounting 4 2 out of 5 stars 99 135 49 135. Better input regulation. Those solar panels voc are probably more than 24v so you should be fine.
If you are on the hunt for a very durable solar battery the universal ub121000 45978 12v 100ah deep cycle agm battery is a great option to keep your eye on. To charge 12v batteries it needs vbat 12v 5v to begin charging and the solar must be vbat 1v to keep charging. You can get much bigger inverters on 24v or 48v than 12v. Connection in series would be 22 5 volts x 2 45 volts.
Generally a 12v solar panel should be paired with a 12v battery and a 24v solar panel should be used with a 24v battery. For one it can be mounted in any position which helps in terms of versatility. Charging 12v battery with 24v solar panel. Since each panel is 12v and the battery bank you want to charge is 24v then you need to series your system to increase the voltage.
There are a number advantages in opting for a higher dc supply voltage. It can accept up to a maximum of 100v in solar to charge 12v batteries. An important point to be noted here is that a 24v rating battery is not available in the market but you can create one by joining two 12v batteries in a series connection.