Take control of your off-grid power with the Companion 20A Lithium Solar Controller. Designed to regulate power from your solar panels to your battery, this versatile controller helps maximise charging efficiency while protecting your battery from overcharging. Compatible with lithium, AGM, GEL, WET and calcium batteries, it's a flexible solution for a wide range of camping, caravanning and 4WD power systems. The easy-to-read digital display allows you to monitor charging performance at a glance, while adjustable charging parameters let you tailor the controller to suit your battery setup. Featuring a convenient USB charging outlet and heavy-duty 50A Anderson connectors for simple installation, the Companion 20A Lithium Solar Controller is the ideal addition to any portable solar system or Companion lithium fridge setup. Features: 20A solar charge controller Compatible with lithium, AGM, GEL, WET and calcium batteries Adjustable charging parameters to suit different battery types Digital display provides clear system and charging information Pulse Width Modulation (PWM) technology for reliable charging USB output for charging phones and small USB devices Heavy-duty 50A Anderson connectors Ideal for camping, caravanning, 4WD's and off-grid power systems Suitable for use with Companion portable solar panels