SKU: 78017028930

Genasun 8A MPPT 12V Voltage Boost (Lead-Acid) Solar Charge Controller

Sale price$175.91 Regular price$195.45
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Description

Genasun 8A MPPT 12V Voltage Boost (Lead-Acid) Solar Charge ControllerGenasun GVB 8: Advanced MPPT Boost Solar Charge Controller for 12V Lead Acid Systems High Efficiency Voltage Boost Technology for Off Grid and Mobile Applications The Genasun GVB 8 MPPT boost solar charge controller is engineered for applications where the solar panel voltage is lower than the battery voltage. Unlike conventional controllers that step down voltage, this unit actively boosts input from panels as low as 5V to efficiently charge a 12V

Genasun GVB-8: Advanced MPPT Boost Solar Charge Controller for 12V Lead-Acid Systems

High-Efficiency Voltage Boost Technology for Off-Grid and Mobile Applications

The Genasun GVB-8 MPPT boost solar charge controller is engineered for applications where the solar panel voltage is lower than the battery voltage. Unlike conventional controllers that step down voltage, this unit actively boosts input from panels as low as 5V to efficiently charge a 12V lead-acid battery. This capability unlocks significant system design flexibility, allowing the use of a single large, cost-effective panel instead of multiple smaller panels wired in series, reducing overall system cost and complexity.

Designed and manufactured in the USA, the GVB-8 is built for mission-critical reliability in the harshest environments. From remote scientific installations to marine and mobile platforms, its robust construction and advanced MPPT algorithm ensure consistent energy harvest under dynamic conditions.

Ultra-Fast MPPT: 15 Hz Tracking Speed

Standard MPPT controllers often employ a slow "sweep and sleep" method, scanning the panel's power curve every 30 to 60 seconds. This approach is adequate for stationary panels under steady sunlight but falls short in mobile or variable weather scenarios. The Genasun GVB-8 redefines responsiveness with a 15 Hz MPPT tracking speed, adjusting to changing light conditions 15 times per second. This ensures the controller is always locked onto the maximum power point, capturing energy that slower controllers miss during cloud transients or when mounted on moving vehicles such as RVs, boats, and expedition trucks.

Precision 3-Stage Charging with Temperature Compensation

Battery longevity and performance depend heavily on correct charging. The GVB-8 employs a computer-controlled, temperature-compensated 3-stage charging profile tailored for lead-acid chemistry. This precise regulation prevents overcharging, minimises gassing, and maintains optimal battery capacity over hundreds of cycles. The controller also features a trickle charge function to recover deeply discharged batteries from as low as 0V, a critical feature for unattended systems.

Key Features

  • Voltage Boost Topology: Charges 12V lead-acid batteries from panels with Voc as low as 5V, enabling use of high-current, low-voltage panels.
  • 15 Hz MPPT Tracking: Adapts to shading and cloud movement in real time, maximising yield in dynamic conditions.
  • 99%+ Tracking Efficiency: Industry-leading conversion efficiency minimises power loss in the electronics.
  • Wide Operating Temperature: Full power output up to 70°C ambient, with an operational range of -40°C to 85°C for extreme environments.
  • Compact and Lightweight: Weighing only 185 g and measuring 14 cm x 6.5 cm x 3.1 cm, it integrates easily into space-constrained installations.
  • Robust Construction: Nickel-plated brass and stainless steel hardware with IP40 rating for durability in marine and industrial settings.
  • Global Certifications: cETLus, CE, FCC, and RoHS compliant for use in professional installations worldwide.
  • 5-Year Warranty: Backed by Genasun's commitment to quality and long-term reliability.

Applications: From Remote Monitoring to Mobile Power

The GVB-8's unique boost capability makes it the ideal choice for systems where panel voltage is inherently limited. Typical applications include:

  • Marine and RV Solar: Use a single large panel with a lower voltage rating to charge a 12V house battery, simplifying wiring and reducing cost.
  • Remote Telemetry and IoT: Power 12V monitoring equipment from small, low-voltage panels in off-grid locations.
  • Portable and Expedition Power: Lightweight design and fast MPPT tracking suit backpacking solar kits and vehicle-based expeditions.
  • Industrial Off-Grid: Maintain 12V backup batteries for SCADA systems, signage, and security cameras.

Why Choose Genasun?

Genasun controllers are trusted in the most demanding environments on Earth, from Antarctic research stations to high-altitude solar aircraft. Each unit undergoes comprehensive electrical testing before leaving the factory, ensuring performance that matches the datasheet. When uptime is critical and failure is not an option, the GVB-8 delivers the reliability professionals demand.

Power Your System with Confidence

Equip your next project with the Genasun GVB-8 MPPT boost solar charge controller and experience the difference that fast tracking, robust engineering, and precision charging make. Whether you're upgrading a marine electrical system or deploying a remote monitoring station, this controller provides the efficiency and dependability needed for long-term success.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78017028930

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4.6 ★★★★★
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Pen Name
Lake Worth, US
★★★★★ 5
Very nice charger
Color: Silver
This works great, good looking, and compact on the countertop.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
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AgentH2
Charlottesville, US
★★★★★ 5
Holds the phone tight without blocking the road view.
Works very well an d gives me clear view of the phone withgout blocking the view of the road. Exactly what I was looking for.
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Reviewed in the United States on April 20, 2026
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Evgenii Boronin
Los Angeles, US
★★★★★ 5
the best
👍🏻👍🏻👍🏻
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Reviewed in the United States on February 21, 2026
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Verified Purchase
patrick cadenhead
Birmingham, US
★★★★★ 2
Doesn’t work properly
The mount part was great, but I couldn’t get the charger to work. Had it replaced and it still didn’t work. Disappointing because otherwise it was great. I still use it as a mount and use a cord to charge.
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Reviewed in the United States on April 25, 2026
R
Ron
Whiting, US
★★★★★ 5
An amazing charger for the car that is super fast with just contact
This wireless charger mount charges much faster than my old wireless charger and now helps me keep my phone charged throughout the day just from my commute. The mount works well in my Ford Lightning display which is similar to the Tesla as well. The ability to charge at 25W really makes it faster than even plugging it in directly with a cable. This is very helpful for quick access and making sure it is always charging. The magnet is quite strong and I have no concerns of the phone falling off at all. The maneuverability of the mount is quite robust and allows the phone to sit at whatever angle you want it to. You can adjust to the side of the monitor, all the way to the top as well with articulation for fine tuning the angle on the z axis. The phone charges about 15-20% during my 15 minute commute which is huge to keep the charge up before and after work.
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Reviewed in the United States on May 3, 2026

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