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Samlex MSK-20A 20 Amp PWM Solar Charge Controller 12V/24V

Manufacturer

Samlex

<p>Since 1991, Samlex has established itself as a trusted manufacturer of power conversion and energy management equipment, serving customers across more than 90 countries. Based in Burnaby, British Columbia, this privately-held company has built a reputation for engineering reliable solutions that meet the demanding requirements of mobile, marine, and off-grid power applications.</p><h3>Power Solutions for Diverse Applications</h3><p>Samlex specializes in DC-AC power inverters, including both pure sine wave and modified sine wave models that convert battery power into usable AC electricity. Their product portfolio also encompasses <a href="/7541-samlex-battery-charger-14307">battery chargers</a> designed to maintain and restore batteries in RVs, work trucks, boats, and remote installations. Whether you're outfitting a commercial fleet, upgrading a recreational vehicle, or building an off-grid power system, Samlex offers power management components engineered for consistent performance.</p><h3>Battery Charging and Power Management</h3><p>The company's extensive <a href="/7541-samlex-battery-chargers-200141">battery charging solutions</a> address various voltage requirements and battery chemistries, from traditional flooded lead-acid to AGM and gel cell configurations. Samlex has developed charging technology that optimizes battery life while preventing overcharge damage. For vehicle applications requiring dual battery setups, their <a href="/7541-samlex-battery-isolators-voltage-sensitive-relays-200144">battery isolators and voltage sensitive relays</a> ensure that auxiliary batteries charge from the alternator while protecting the starting battery from discharge.</p><h3>Complete Vehicle Power Systems</h3><p>Beyond chargers and isolators, Samlex manufactures <a href="/7541-samlex-vehicle-battery-2476">vehicle batteries</a> designed to withstand the vibration and temperature extremes common in mobile environments. Their <a href="/7541-samlex-inverters-200588">inverters</a> range from compact models for powering laptops and small electronics to high-capacity units capable of running power tools, refrigerators, and other demanding loads. This comprehensive approach allows installers and DIY enthusiasts to source multiple components from a single manufacturer known for quality and compatibility.</p><h3>Proven Across Industries</h3><p>Samlex products serve diverse sectors including telecommunications, electrical contracting, emergency services, marine transportation, and renewable energy. Their equipment appears in everything from utility service trucks to sailboats, from food delivery vehicles to remote weather stations. This broad market presence reflects the versatility and durability that professional users demand from their power conversion equipment.</p><p>With over three decades of manufacturing experience and distribution reaching across North America and beyond, Samlex continues to deliver power solutions that combine electrical efficiency with practical reliability for mobile and stationary applications alike.</p>

Part Number

MSK-20A
07/13/2036 8:47 PM
Sale Price

$85.30

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Product Details

The Samlex MSK-20A is a 3-stage intelligent PWM solar charge controller designed for reliable battery charging in 12V or 24V systems. This microcontroller-based unit provides digital accuracy and fully automatic operation, making it ideal for off-grid solar installations, RVs, marine applications, and portable power systems.

Key Features:

  • 3-stage intelligent PWM charging technology for optimal battery health and longevity
  • Automatic battery voltage detection (12V or 24V)
  • 20 amp charging capacity with full output from -35°C to +50°C (-31°F to 122°F)
  • Comprehensive electronic protections: overheating, overcharging, over-discharge, overload, and short circuit
  • Reverse polarity protection for any combination of solar panel and battery connections
  • Compatible with optional MSK-TS external temperature sensor for temperature-compensated charging
  • Compact design: 6.28" x 3.2" x 1.89" and weighs just 0.66 lbs

Ideal Applications:

  • Recreational vehicles and service vehicles
  • Off-grid solar power systems
  • Portable solar charging kits
  • Boats and marine crafts
  • Field work stations and mobile offices
  • Telecommunications equipment

The MSK-20A's series-type PWM controller design ensures efficient charging while protecting your batteries from damage. The automatic voltage detection and wide operating temperature range make it a versatile solution for diverse solar charging applications.

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