Skip to product information
1 of 2
2 product views Open images for a closer look Compare photos with product details

Samlex America

Samlex America MSK-20A Solar Charge Controller, 20A 12/24V with 2-Year Warranty

Samlex America MSK-20A Solar Charge Controller, 20A 12/24V with 2-Year Warranty

SKUCT-113221

Regular price $93.10
Regular price Sale price $93.10
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Out of stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Optimize your solar power system with the Samlex America MSK-20A, an intelligent 3-stage PWM charge controller designed for robust and reliable performance. This advanced controller ensures efficient battery management and extends battery lifespan through its precise microcontroller-based operation and automatic 12V/24V system detection. Engineered with comprehensive electronic protections, it safeguards your system in diverse environments. Proudly backed by a 2-year limited warranty, the MSK-20A is the dependable choice for off-grid, marine, and mobile power applications. Upgrade your solar setup today for smarter energy management.

Key Benefits & Features:

  • 3-Stage Intelligent PWM Charging: Optimally charges your batteries, ensuring maximum capacity return and extended battery life.
  • Microcontroller-Based Accuracy: Delivers digital precision and fully automatic, hands-free operation for consistent performance.
  • Automatic 12V/24V System Detection: Offers flexible compatibility, seamlessly adapting to various battery bank configurations.
  • 20 Amp Rated Capacity: Efficiently handles significant solar input for effective power conversion.
  • Wide Operating Temperature Range: Functions reliably from -35°C to +50°C (-31°F to 122°F), ensuring consistent performance in harsh conditions.
  • Comprehensive Electronic Protections: Features overheating, overcharging, over-discharge, overload, short circuit, and reverse polarity safeguards to protect your system and batteries.
  • MOSFET Reverse Current Blocking: Prevents battery discharge back to solar panels during nighttime, preserving battery charge.
  • User-Friendly LED Display: Provides clear indication of operational status, State of Charge, and fault diagnostics for easy monitoring.

Recommended Pairings & Applications:

Ideal for recreational and service vehicles, off-grid installations, portable charging kits, boats and marine crafts, fieldwork/mobile offices, and telecommunications. Compatible with sealed lead acid AGM batteries. Consider pairing with Samlex America SSP Expansion Kits for a complete solar power solution.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details