Mastervolt SCM20 PWM Solar Charge Regulator, 20A for 12V and 24V Lead-Acid Battery Systems

Solar ChargeMaster SCM20 PWM

This solar charge regulator based on PWM technology is a great solution to charge your batteries with solar energy. Suitable for both 36 cells panels (in 12V systems) and 72 cells panels (in 24V systems). Its protection against water spray, suitability for high ambient temperature and compatibility with negative grounding, make it the perfect solar regulator for marine and mobile environments. Optionally, a temperature sensor is available.

Safe, User Friendly Flexible

The SCM20 PWM is suitable for all types of lead-acid batteries in both 12V and 24V. The device features a large display and switchable output with evening / night lighting function.

Mastervolt Solar ChargeMaster SCM20 PWM is a user-friendly solar charge regulator designed to charge lead-acid batteries using solar energy. With support for both 12V and 24V systems, it is suitable for solar installations using 36-cell panels in 12V applications or 72-cell panels in 24V applications. The SCM20 PWM offers practical control and monitoring for marine, mobile, and other solar-powered environments.

Built around PWM charging technology, this Mastervolt solar regulator supports all types of lead-acid batteries in 12V and 24V systems. Its water-spray protection, suitability for high ambient temperatures, and compatibility with negative grounding make it a flexible choice for installations where dependable battery charging and straightforward operation are important. An optional temperature sensor is available for added system monitoring capability.

The SCM20 PWM also features a large display for convenient status viewing and a switchable output with an evening/night lighting function. These controls help simplify everyday operation while supporting lighting and battery-charging needs in mobile and marine applications.

Key Features

• Feature: PWM solar charging — Uses pulse-width modulation technology to charge batteries from solar panels.
• Feature: 12V and 24V system compatibility — Supports 36-cell panels in 12V systems and 72-cell panels in 24V systems.
• Feature: Lead-acid battery support — Suitable for all types of lead-acid batteries in both supported system voltages.
• Feature: Marine and mobile suitability — Water-spray protection, high-ambient-temperature suitability, and negative-ground compatibility support flexible installation environments.
• Feature: Large display and lighting control — Provides easy-to-read information and a switchable output with evening/night lighting function.
• Feature: Optional temperature sensor — Allows the addition of a compatible temperature sensor when desired.

Product Details

• Brand: Mastervolt
• Model: Solar ChargeMaster SCM20 PWM
• Part Number: 131822000
• Charging technology: PWM
• System voltage: 12V and 24V
• Supported solar panels: 36-cell panels for 12V systems; 72-cell panels for 24V systems
• Battery type: Lead-acid batteries
• Grounding: Compatible with negative grounding
• Optional accessory: Temperature sensor

Choose the Mastervolt SCM20 PWM for practical solar battery regulation, clear operation, and flexible use in 12V and 24V lead-acid battery systems.

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