Any solar panel that is rated 12 watts or higher requires the use of a solar charge controller to regulate the current and voltage going to the battery. This 8 Amp Charge controller can handle up to 130 Watts of Solar array

Protects battery from overcharging and high voltage surges
Protects the battery from discharging with built-in blocking diode
Use with any 12 Volt Solar Panel system
Equipped with easy to install plug and play connectors
Automatic cut-in and cut-out maintenance-free operation
Easy to read LED light indicators show battery charged or battery charging