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 70 Watt multicrystalline solar panel (SLP070-12U)
1 x Phocos 10 Amp charge controller (CM 10).
This kit does not need any special cabling. All connections can be made using 10-12AWG copper cable.
Brackets for mounting the module to walls or poles are sold separately (see the accessories tab)