Simtek DC King-70A MPPT Solar Charge Controller - 110V Voc 12V/24V ECO Series

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.

Specification 12V Mode 24V Mode

Min. Open Circuit Voltage 30V 60V

Max. Open Circuit Voltage 110V 110V

Max. Input Current 17A 34A

Max. PV Power 1200W 2400W

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.