Use this small solar kit for charging individual 12-Volt batteries. The charge controller will prevent the battery from overcharging.
The solar charging kit includes:
1 x SolarLand 45 Watt multicrystalline solar panel (SLP045-12U)
1 x Phocos 4 Amp charge controller (CM 04).
This kit does not need any special cabling. All connections can be made using 10-14AWG copper cable.
Brackets for mounting the module to walls or poles are sold separately (see the accessories tab)