If you use  solar lights, you should be regulating the panel current charge  in accordance with the battery voltage, and this 12V 10A solar controller, with LED  indicator lights and digital display, is just the tool for the job.

Benefits:

 
• PWM charge mode [SOC]
 
• Fully automatic operation
 
• Electronic protection
 
• Suitable for all 12V lights
 
• Microcontroller for digital accuracy
 
• Large terminals with generous spacing
 
• Detects day/night by using PV array
 
• Double digital LED display with numbers equal to  timer setting
 
• Temperature compensation

The solar controller is brand new  and boxed and comes with wiring diagrams and instructions

Specifications:

 
• Voltage: 12V
 
• Charge current: 10A
 
• Load current: 10A
 
• 25% current overload: 1 min.
 
• Load disconnect: 11.1V
 
• Load reconnect: 12.6V
 
• Equalization voltage [10 mins]: 14.6V
 
• Boost voltage [10 mins]: 14.4V
 
• Float voltage: 13.6V
 
• Temperature compensation [mV/˚C]: -30mV 
 
• Terminals: for wires up to 6mm²
 
• Operating temperature: -35 ~ +55˚C
 
• Dimensions: 133 x 70 x 24mm
 
• Weight: 144g

V1.0