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GRENNOVA Smart MPPT Solar Charge Controller
The Brains of Your System: Advanced MPPT Intelligence
Maximize Every Ray: Our advanced MPPT (Maximum Power Point Tracking) technology tracks the "sweet spot" of your solar panels in real-time.
30% Higher Efficiency: Experience up to a 30% increase in conversion efficiency compared to standard PWM controllers, ensuring maximum power even in cloudy or low-light conditions.
Industrial-Grade MCU: Equipped with a high-precision master control chip (MCU & DSP) for stable, long-term operation in demanding environments.
1.Enhanced Connectivity: Plug-and-Play DC Ports
DC Intput/Output: Features two bottom-mounted 5.5*2.1mm DC barrel jacks for a screwless, tool-free installation.
Simplified Battery Link: Beyond powering DC fans or LED lights, these ports can be used for simplified battery charging via a DC conversion cable, removing the need for complex terminal wiring for portable setups.
USB Charging: integrated USB ports (5V/1.5A Max) provide direct power to Small fan or LED light.
2.Real-Time Monitoring & Control
High-Def LCD Interface: Monitor your system status at a glance, including real-time voltage, animated battery capacity, and charging/load status.
Smart Timer Function: Features a light-sensing timer for automated night lighting or customized load schedules.
Simple Logic: Three tactile buttons (Menu, Up, Down) allow for quick setting adjustments and voltage calibration.
3.360° Comprehensive Protection
Safety is built into every circuit with six layers of industrial protection:
Battery Reverse Connection Protection: Prevents damage if terminals are incorrectly wired.
Solar Array Over-Voltage Protection: Shields the controller from excessive panel voltage.
Over-Current Protection: Limits charging/discharge current to protect the battery.
Short-Circuit Protection: Instant cutoff for panels, batteries, or loads in the event of a short.
Under-Voltage Load Cutoff: Prevents deep discharge to extend battery life.
Over-Temperature Protection: Automatic power reduction or shutdown to prevent overheating.
Brand: Grennova
Model: GRE-C
Voltage: 12V/24V (auto-detect)
Current: 10A/30A/60A (selectable)
Compatible Batteries: Lead-acid batteries / Gel batteries / LiFePO₄ batteries
Dimensions: 133 x 70 x 35 mm
USB Outputs: 5V/2.5A (max)
DC Port: 55 x 21 mm
CRITICAL USER GUIDE (To Reduce After-Sales Inquiries)
【Battery Compatibility Warning】
This controller is strictly designed for:
Lead-Acid Batteries (Sealed, Gel, Flooded)
LiFePO4 Batteries (Lithium Iron Phosphate)
STRICTLY PROHIBITED: Do not use with Ternary Lithium batteries. Use with unsupported battery types may lead to equipment failure or fire hazards.
【Strict Connection Sequence】
To ensure the MCU correctly identifies the system voltage, you MUST follow this order:
CONNECT BATTERY FIRST: The screen will light up once the battery is connected.
CONNECT SOLAR PANELS: Only after the battery is recognized.
CONNECT LOADS: Use the terminals or the DC/USB ports.
Note: When disconnecting, follow the reverse order (Panels first, Battery last).
【Installation Side Note】
Mount the controller in a dry, well-ventilated area. Do not block the side ventilation holes as the device generates heat during peak MPPT tracking.
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