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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Jennifer L Cremata
Birmingham, US
★★★★★ 5
Very healing
I bought this for face but had also heard that this can be used for other skin issues. Yesterday, I cut my index finger with a label remover (basically a razor blade). Once I stopped the bleeding, I kept it clean and covered for a bit. Before bed, I decided to put a dab of this on my cut, when I woke up this morning, it's like a miracle! It barely hurts and looks quite healed!
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Reviewed in the United States on May 20, 2026
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DWF
Whiting, US
★★★★★ 5
It works... very well... for me. VERY WELL.
I typically detest American companies as many of the products contain both harmful and helpful ingredients at the same time. So far, Prequel has EXCEEDED my expectations. PROS: It works for my skin. EWG gives good scores to Prequel also. Skin looks great afterwards. No scent. Lasts for hours with a healthy skin tone. You don't have to use a lot to cover an area (see below). CONS: Slightly greasy when applied so it not a lightweight cream. Small tube (see below). Pricey. You don't have to use a lot. I find that due to its slightly greasy nature, you can use much less to cover a greater area. Afterwards the greasiness disappears, leaving plump, healthy feeling skin texture. As with any skincare product, your skin may react differently. I have tried major Western brands which worsened my skin (Cereva for instance) before switching to Korean & Japanese products (far superior). Prequel is now the only Western brand I will use on a regular basis, to include their bar of soap (superior to my regular Korean brand).
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Reviewed in the United States on September 14, 2025
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UrbanUtah
Bozeman, US
★★★★★ 5
Great dry spot treatment!
Worked wonders on winter dry patches on my cheeks and sides of mouth. I’m a somewhat new Prequel product user. I follow the creator on YouTube and love her skincare videos. I have tried a few products so far and have been happy with the results. I just ordered the foot repair ointment for my husband as well. I think this brand is a great value for the money. I have not had any bad reactions so far and I have VERY sensitive skin. This ointment is lightweight and melts into my skin well and the next morning my dry spots were literally invisible. It’s fragrance free, I did not notice any scent at all, which is importance to me.
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Reviewed in the United States on January 3, 2026
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gina
San Leandro, US
★★★★★ 4
Prequel is always great
Very soothing and calming for skin. Tube lasted a long time. I have sensitive skin and often have reactions but did great with this.
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Reviewed in the United States on March 14, 2026
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Kitkat
Waukegan, US
★★★★★ 5
This is a barrier cream?
I also have very oily skin, so normally I stay away from anything that says barrier or balm. I push skin a lot lol...with max strength tretinoin, glycolic acids, salicylic acids, vitamin C... so there are times when I just need max help from a richer product bc sometimes I take it too far. LRP Cicaplast has been a staple and has saved me many a times. I bought this bc of the high percentage of ectoin, 5%, and it was so reasonably priced. When I squeezed the tube, I was really worried, it was thicker looking than the Cicaplast. However, when I spread it out, it was SO light and a tiny amount --barely a pea size, was enough to coat my face. It did not feel heavy. Even with my oily skin, I think I could wear this everyday. As an experiment, I applied any excess on one side of my hand, as I'm right handed, I would apply it on my left hand. I've had this about a week, and right now after doing the dishes, and washing my hands multiple times without any hand cream on it, my right hand is definitely drier than my left hand. My left hand also looks less red and more calm. This formula is 5 stars for both the effectiveness and the elegant formula. It may yet replace my LRP Cicaplast...we'll see!
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Reviewed in the United States on November 6, 2025

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