Renogy Voyager 20A PWM Solar Charge Controller IP67 12/24V for Marine | 55V PV input, AGM/Gel/Flooded (auto), Li (manual), overcharge/short protection, waterproof, positive ground,LCD,for Boats

4-STAGE PWM Technology. The Voyager controller is equipped with advanced smart PWM technology with high charging efficiency. It provides 4-stage charging (Bulk, Absorption, Float and Equalization) in order to protect the battery.

IP67 Rated Waterproof. With an IP67 rated waterproof design, the Voyager controller is suitable for outdoor use and will remain fully operational when exposed to water spray, rain, or condensation.

Multiple Protections. The Voyager controller has multiple intelligent protections against reverse polarity, over charge, short-circuit, reverse current, overload, and over discharge, keeping your battery fully protected.

Support Multiple Battery Types. The Voyager controller can automatically sense 12V or 24V system voltage when paired with a Gel, AGM, or Flooded batteries. It also comes with a Lithium activation feature.

Backlit LCD displaying system. The Voyager comes with an LCD display showing accurate and timely information including charging current, generated energy, temperature, battery voltage, and error codes that allows users to monitor and control charging.