Simtek ECO Series – DC King-70A MPPT Solar Charge Controller – 110V Voc, 70A | 12V/24V | Dual Display | Low Battery Load Cutoff | Works with & without Battery

The Simtek ECO Series DC King-70A MPPT Solar Charge Controller delivers high-efficiency solar energy management at an economical price. Engineered with advanced MPPT (Maximum Power Point Tracking) technology, it optimizes power conversion, increases energy yield, and minimizes system losses — making it ideal for residential, commercial, and off-grid applications.

Designed for flexibility and reliability, it supports direct DC load operation up to 50A without a battery, features a low-battery cutoff for protection, and offers automatic voltage detection for seamless 12V/24V system compatibility.

Key Features

Advanced MPPT Technology
• Maximizes solar panel performance by efficiently tracking the optimal power point.

DC Load Cutoff for Battery Protection
• Prevents battery deep discharge by automatically disconnecting DC loads when voltage is critically low.

DC Power Supply (No Battery Required)
• Powers DC loads up to 50A directly from solar panels—ideal for daytime applications.

110V Voc, 70A Output Capacity
• Handles high-voltage solar arrays and supports 12V/24V systems with ease.

Fully Automatic Operation
• Auto-detects battery voltage and adjusts charging parameters accordingly.

Dual Display (LED + Digital)
• Real-time display of voltage, current, battery status, and system performance.

Comprehensive Safety Protections
• Built-in safeguards including low voltage disconnect, overcharge protection, and thermal shutdown.

Universal Battery Compatibility
• Supports all standard battery types with user-adjustable voltage settings.

6-Month Warranty
• Backed by Simtek’s trusted support and service.

Output Ratings

• Max Output Current: 70A
• Efficiency: 0.8% - 0.9%
• Manual Setting: 12V / 24V
• Max Operating Temp: 80°C
• DC Load Cutoff on Low Battery: Yes (Prevents Battery from Deep Discharge)

Caution

• High voltage, risk of electric shock.
• When installing the unit, first install the battery.
• When uninstalling the unit, first uninstall the solar.

Why Choose the Simtek MPPT Charge Controller?

• Efficient Energy Conversion – Enhances solar system performance with intelligent power tracking.

• Smart & Safe Design – Features multiple protection modes for reliable operation.

• Battery-Free Operation – Runs DC loads directly from solar panels, reducing battery dependency.

• Easy Installation – Plug-and-play design with intuitive controls.