SKU: 30626363816

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

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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.

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SKU: 30626363816

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A
Alyssa
Omaha, US
★★★★★ 4
Cute Book
Format: Hardcover
I received a copy of this book through the Amazon Vine program in exchange for an honest review. This is a cute book! It's a short, sweet, and easy to read book. We follow Nimra as she starts middle school at a public school for the first time. She grapples with balancing her religious beliefs with her love of art and music. She also has to figure out friendships and how to not compromise on your beliefs. While Nimra talks about praying and wearing a hijab there isn't a whole lot about Islam in this book, but some context is there for anyone unfamiliar with the practice to understand why Nimra does certain things. It's a cute middle-grade book that tackles lying, hiding things from family, making and keeping friendships, and other familiar experiences.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2021
J
Jaiden
Houston, US
★★★★★ 5
Important Story!
Format: Hardcover
12 year old Nimra is thrilled when her parents suggest she transfer to public school, which means she'll finally be with her best friend, Jenna. When Jenna acts strangely about Nimra's hijab on their first day, Nimra is desperate to prove she can fit in. Even though her family doesn't approve of music, Nimra joins a boy band, hoping their popularity will help repair her friendship with Jenna. She doesn't intend to remain in the band after she wins Jenna back, but the boys enter them in a fundraising benefit. Nimra's web of lies grows until she finally has to face what she's done––and figure out who she is at home and at school. A lovely story about a girl torn between her religion and the trials of middle school, this book is a recommended read.
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Reviewed in the United States on October 28, 2021
A
A. Reid
Whiting, US
★★★★★ 5
Sweet story
Format: Hardcover
This is an enjoyable, lightweight story, perfect for middle school students. The child I bought it for is from a different culture than that depicted, and for her it was a bridge-builder in terms of helping to find commonalities and differences. It was a fun experience--effortless learning, the best kind! For others, it may be useful to see themselves reflected in the young heroine, but I can't speak to whether they will find the mirror accurate. For my reader, the conflict felt real and relatable - who hasn't experienced feeling different and excluded? And she was captured beginning to end.
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Reviewed in the United States on July 5, 2021
M
M. Tanenbaum
Omaha, US
★★★★★ 5
excellent middle-grade novel
Format: Hardcover
This story of a muslim girl in the US and her school friends and ordinary dramas is a great addition to school libraries or public libraries and also for girl readers 9-12 or so. It's wonderful that we are getting novels about people from other faiths that are aimed at mainstream readers. It is so important for kids to read books about people from other backgrounds as well as for those from those backgrounds to have books in which they see themselves reflected. Well done!
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Reviewed in the United States on January 6, 2022
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Grayson
Birmingham, US
★★★★★ 5
Vampire Fantasy
Format: Kindle
Following Val through this adventure of trying to find her place in the world while cultists are literally trying to get her, made me feel like I was on the edge of my seat. I also love the idea that vampires/werewolves(peak at Roving Darkness and the Druids Destiny) are just living everyday life like humans. This book made me wish I was living in this world because it felt so real. Its also very sapphic
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Reviewed in the United States on March 6, 2024

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