Solar lawn lamp controller is specially designed for small solar power system which is below 50W (DC 12 Volt).
 
Features and functions
o   It adjusts the charging current according to the battery voltage and decides 
    whether supply current to the load.
o   Ensure the battery at a full-charged condition.
o   Protect battery to be over-charged.
o   Protect battery to be over-discharged.
o   Protect the battery reverse charge the solar panel during night.