Morningstar SunSaver SS-10L-12V: Industrial Power with Advanced Battery Protection

The Morningstar SunSaver SS-10L-12V is the world’s most trusted small solar controller, specifically upgraded with an integrated Low Voltage Disconnect (LVD) circuit. While the standard model regulates charging, the "L" version actively protects your battery bank by automatically shedding DC loads if the voltage drops to 11.5V. This prevents permanent battery damage from deep discharge—a critical feature for remote cabins, telecommunications, and offshore marine systems.

Built for the most demanding environments, the SS-10L-12V is 100% solid state and features marine-grade epoxy encapsulation. This "potting" protects all internal electronics from salt spray, humidity, and corrosive gases. It is fully certified for Class 1, Division 2 (C1D2) hazardous locations, making it the industry standard for oil and gas field equipment.

Why Professionals Choose the SS-10L-12V:

• Automatic Battery Protection: The LVD feature disconnects loads at 11.5V and automatically reconnects at 12.6V, ensuring your battery never reaches a "dead" state that causes freezing or capacity loss.
• Mission-Critical Reliability: Boasts a failure rate of less than 1 in 1,000 units. No moving parts or mechanical relays to fail in the field.
• Precision 4-Stage Charging: Advanced PWM algorithms for Bulk, Absorption, Float, and Equalize stages maximize the life of Sealed (AGM/Gel) and Flooded batteries.
• Hazardous Location Approved: UL/CSA Class 1, Division 2 (Groups A-D) certified for safe operation in industrial and oilfield environments.
• Marine-Ready Construction: Anodized aluminum housing and marine-rated terminals stand up to the harshest coastal conditions.

Technical Specifications:

Technical Tip: To use the LVD feature, your DC loads must be connected directly to the "Load" terminals of the SunSaver. If you connect your loads directly to the battery, the LVD function will not be able to protect the battery from discharge.