SKU: 22076908283

Genasun 54.2V 8A GVB-8 Waterproof MPPT Boost Solar Charge Controller

Sale price$122.32 Regular price$135.91
Save 10%

Pay in installments of $33.98 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Genasun 54.2V 8A GVB-8 Waterproof MPPT Boost Solar Charge ControllerGenasun 54. 2V GVB 8 Waterproof MPPT Boost Solar Charge Controller The Genasun GVB 8 Li 54. 2V WP is a compact waterproof MPPT boost solar charge controller designed to charge 48V nominal, 13S lithium ion, LiPo and LiCoO battery packs from lower voltage solar panels. Instead of requiring a solar panel string with a voltage higher than the battery, the GVB 8 WP steps the panel voltage up, making it a practical choice for e bikes, golf carts, small EVs,

Genasun 54.2V GVB-8 Waterproof MPPT Boost Solar Charge Controller

The Genasun GVB-8-Li-54.2V-WP is a compact waterproof MPPT boost solar charge controller designed to charge 48V nominal, 13S lithium-ion, LiPo and LiCoO₂ battery packs from lower-voltage solar panels. Instead of requiring a solar panel string with a voltage higher than the battery, the GVB-8-WP steps the panel voltage up, making it a practical choice for e-bikes, golf carts, small EVs, marine systems, industrial DC systems and other compact solar charging applications where panel space and wiring simplicity matter.

This model is the 54.2V CC/CV lithium version. It is intended for battery packs whose charging specifications match a 54.2V constant-voltage profile. Genasun’s official documentation identifies the GVB-8-Li-54.2V-WP for 48V nominal, 13S lithium cobalt, manganese or nickel chemistry packs, with battery temperature compensation disabled for lithium operation.

Boost charging for lower-voltage solar panels

Most solar charge controllers are buck controllers, meaning they require the solar array voltage to sit above the battery charge voltage. The GVB-8-WP is different. It is a voltage-boosting controller, allowing a lower-voltage panel to charge a higher-voltage battery when the panel and battery remain within the controller’s specifications. This can help simplify small vehicle and mobile solar layouts by reducing the need to series-connect smaller panels just to reach the required battery voltage.

The controller supports a maximum recommended panel power of 350W for this 54.2V lithium model, with a rated panel input current of 8A, a recommended maximum panel Vmp of 43V and a recommended maximum panel Voc of 50V at STC. The input voltage range is 0 to 60V, with charging able to begin from a minimum panel voltage of 5V.

Why choose the waterproof GVB-8-WP?

  • True MPPT boost design: Steps up lower panel voltage to charge compatible higher-voltage battery packs.
  • 48V 13S lithium profile: Factory configured for a 54.2V CC/CV charge profile.
  • Waterproof construction: IP68 environmental protection with potted electronics for exposed mobile and marine-style installations.
  • Fast tracking: 15Hz MPPT tracking speed helps the controller respond to changing light conditions.
  • Efficient operation: 96% to 99% typical electrical efficiency for the 54.2V lithium model, with 99+% typical tracking efficiency.
  • 12 AWG flying leads: Newer GVB-8-WP units from serial number 188100 use 12 AWG tinned, pre-stripped flying leads.

Built for compact mobile solar systems

The GVB-8-WP’s sealed construction and flying-lead wiring make it well suited to applications where terminal blocks may be less desirable, including roof-mounted solar charging on golf carts, e-bikes, small EVs and marine equipment. The built-in multicolour LED provides straightforward charging, standby and error indications, while the external in-line fuse helps protect the battery connection wiring when installed as directed.

Genasun specifies no fans and no relays in its controller design, helping keep the unit compact and simple. The controller’s low night consumption of 5mA is also useful in smaller battery systems where parasitic draw matters.

Important battery and installation considerations

Because this is a lithium charge controller with a fixed 54.2V CC/CV profile, the battery pack’s charge voltage, cell count and chemistry must match the controller. Genasun also recommends using lithium batteries with a Battery Management System capable of disconnecting the solar charge controller if any cell is outside its rated temperature, current or voltage range.

For a compact, waterproof MPPT boost solution for compatible 48V 13S lithium battery systems, the Genasun GVB-8-Li-54.2V-WP provides a technically strong way to harvest solar from lower-voltage panels in mobile and off-grid DC applications.

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: 22076908283

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 23 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
P
Paul Shain
Carnegie, US
★★★★★ 4
Great summary of Egyptian history
Format: Kindle
The book is—as the subtitle states—an “Overview of Egyptian History.” The book is a brief summary of Egypt’s long and interesting history. It starts with historical events: who were the rulers? What territories did Egypt conquer? Who conquered Egypt. The second part of the book discusses social, economic, and religious history. This primer lays out all of the above topics but with little detail so the reader may wish to select topics of interest to study in further depth elsewhere. Because Egypt’s history includes millennia, I find it hard to understand, so reading this book was valuable to me. The book is written in a style that makes it easy to read. It is not at all dry as some textbooks can be. I recommend this book to anyone who wants an overview of Egyptian history and look forward to reading other books in the series.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 2, 2022
A
Verified Purchase
Alexander King
Waukegan, US
★★★★★ 5
It’s excellent
Format: Paperback
My dad loves this book. I’m glad I got it for him
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
S
Verified Purchase
Strawberry Girl
Massapequa, US
★★★★★ 3
Far from enthralling, but I did learn
Format: Paperback
This book was a disappointment. It looked like exactly what I was looking for: an overview of the history, society, and culture of Egypt from ancient to modern times that wasn't 500+ pages long. I did learn a fair bit of information, but unfortunately, the book is far from "enthralling." It reads like a high school student's book report. In addition, it sometimes just throws terms out there with no explanation, and I found myself having to consult Google. For example, it says "Since hieroglyphs were difficult to create, the Egyptians developed hieretic writing, which was a type of cursive script. Later, demotic writing was developed for ordinary documents." What is demotic writing? How is it different from hieretic? The book doesn't even provide a picture. I had to go to Wikipedia to find out what these things are. This book needs slightly more detail and an author with better writing style / storytelling abilities. That said, it still may be the best short introduction available.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2024
T
Verified Purchase
Teresa
Chelsea, US
★★★★★ 5
Recommended read by tour guide to Egypt
Format: Paperback
Very good history book of Egypt in non-complicated terms. I wish there were more pictures and maps to add to the descriptions in the book. Read this as it was recommended by our tour guide to Egypt in April
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2025
L
Verified Purchase
Len Gluckstal
Pawtucket, US
★★★★★ 5
Very informative
Format: Kindle
Bread read. I book gives you a complete overview of Egyptian history without getting too bogged down. Fast moving. I highly recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2024

recommand products