Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units - ShopSolar.com

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SKU FMMTH-48235-G1

by BigBattery

Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

Name: Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units
Brand: BigBattery
Price: 8289.0 USD
Availability: OutOfStock
Rating: 5.0 (7 reviews)

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Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

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15+ sold In the last 7 days

Free Returns Free Returns within 30 Days of Purchase

Lifetime Customer Support Unlimited lifetime support, always available.

General Overview

Products Details

Reviews

FAQ's

Why Choose Shop Solar

Looking for the biggest and best lithium battery on the market today!? Look no further. The MAMMOTH PRO is a 23.5kWh lithium battery bank designed by Shop Solar Kits and the team at BigBattery. Combining high quality components with American design and assembly, we've made the ultimate solar battery we would want!

With a 460Ah at 48V (23.5kWh or 23,500 watt hours) this powerful lithium battery is by far one of the best and most cost-efficient batteries in its class and on the market today! Capable of being connected in parallel with up to 8 units per solar power system.

The Mammoth batteries comes with pre-installed Anderson connections making it ready to go for quick installation to any inverter, charge controller or bus bar. With the SB175 Anderson to ring terminal cable already included, you'll be up and running in no time!

Mammoth [PRO] 48V 23.5kWh Lithium Battery | 10-Year Warranty | Features:

BATTERY SPECS

Chemistry: LiFePO4
Voltage: 48V
kWh: 23.5 kWh
Amp Hours: 460 Ah
Operating Voltage Range: 43V - 58.8V
Charging Voltage Range: 55.6V - 58.0V
Max Charging Voltage: 58.8V

WARNING: Do NOT exceed max charging voltage.

Cell Configuration: 16S
Charge Temperature Range: 0°C -55°C
Discharge Temperature Range: -30°C -55°C
Optimal Discharge Temp. Range: 15°C -35°C
Storage Temperature Range: -5°C - 35°C (Max 6 months)

BMS SPECS

Max Continuous Discharge: 175A
Max Continuous Power: 7000W
Max Peak Discharge: 350A (Over 6 Seconds)
Max Charge Current: 120A

BATTERY SIZE

Weight: 465 lbs
Width: 12.25 in
Length: 23.5 in
Height: 43.5 in

MORE FEATURES

Charge Voltage: 58.0V
Bulk Voltage: 58.0V
Absorption Voltage: 58.0V
Absorption Time: 0 Minutes
Float Voltage: 58.0V
Equalize: Off
Low Voltage Cutoff: 43V
High Voltage Cutoff: 58.8V
Suggested Inverter Low Voltage Setting: 44V - 45V

Warranty & Guarantee:

Designed & Assembled in the USA
10-Year Warranty!
Lifetime Customer Support (Phone, Live Chat Or Email)

Still have questions? Give us a call today 877-242-2792

Write a Review

average rating 5.0 out of 5

Based on 7 reviews

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100% of reviewers would recommend this product to a friend

Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Rebecca L.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

45 - 54

Rated 5 out of 5

Review posted

Great solar products

Just received my Mammoth Battery and am in works of connecting to my complete off grid solar system. Once connected I will upload my whole system. Still waiting on my 10 gauge AWG 50ft PV connector.

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by TJ H.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

45 - 54

Rated 5 out of 5

Review posted

Add-on

This battery was purchased after my original setup.

I had questions about how to hook up a third battery and shop solar kits did an amazing job answering my questions and providing a new bus bar and jumper wire for the connection. It was super easy to install.

I have installed my complete system myself and could not be happier! Shop solar kits has been great to work with.

TJ

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Robert C.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

65+

Rated 5 out of 5

Review posted

Mammoth Battery is a beast ...

Of course the Mammoth battery is a beast and it's amazing. But the gem here is the Shop Solar Kits support team. You're getting multiple decades of knowledge wrapped into a single offering. I was having a wiring problem and they not only sent me a diagram but also built me a Combiner Box ... who does that anymore? That's 'old school' / 'amazing' support - wrapped around an innovative product suite. Simple AMAZING ... got job Shop Solar Kits!!

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Stan T.

Verified Buyer

Reviewing

Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

65+

Rated 5 out of 5

Review posted

VP S.TUSSING

Very Convenient to plug and play

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Rex L.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

45 - 54

Rated 5 out of 5

Review posted

Using 2 to power my house

I would prefer a third, but these two do everything I want. Only about 20 cycles in, but going strong. Easy to install and the bms is all internal and very simple. It does require attention, as they don't drain equally.

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Alan B.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

65+

Rated 5 out of 5

Review posted

Packed with Power!

We’re very happy with the Griz by Big Battery! We bought two of them and both of them are awesome powerhouses! They charge quickly and their power lasts plenty long. The shipping was great! Very well packaged and shipped quick! Thank you Shop Solar Kits! You guys are awesome!

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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Reviewed by Timothy B.

Verified Buyer

Reviewing

Mammoth [PLUS] 48V 9.6kWh Lithium Battery On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

I recommend this product

Age Range

65+

Rated 5 out of 5

Review posted

Parts and pieces

You guys are on the ball I'm very happy with the delivery times and the packaging.

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Quality	Rated 5 out of 5
Easy to Use	Rated 5 out of 5

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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Shop Solar. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

Top Solar Company in the USA

The prestigious ranking by Consumer Affairs is based on comprehensive evaluations, including ratings and reviews, equipment options, support services, pricing transparency, warranties, and various other factors. Among the top 6 nominated companies, Shop Solar stands out with the highest review rating, reaffirming its dedication to customer satisfaction and product quality.

Best Components, Lowest Prices

We cut out the bloat of traditional solar companies and pass those savings off to you. Plus, we provide free shipping on all solar kits and lifetime customer service on everything we sell.

Expert Guidance

Our team of solar professionals is here to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

peace-of-mind-1920x1080-c874049a-fa25-466b-a469-5f56a430914e-659x371_krfw.jpg

We’re people just like you

We’re not corporate and neither are our customers. We’re just a group of 50+ solar enthusiasts who are passionate about providing an honest, no-BS way for anyone, anywhere to improve their lives and the world around them with solar power.

Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.

Prepare for Anything

From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.

Solar Power Made Easy

Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.

Secure Your Independence

Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.

Solar That Makes Sense - DIY+

Why pay more when you can go solar your way? With our DIY+ model, you become the master of your own solar project - we call it being your own general contractor, using our seasoned technicians to help guide you at every turn. So you can skip the high-commission salespeople and source your own top-tier equipment from us, and if you need a professional installer, we can help with that too. It’s solar, but smarter and more rewarding—because who said going green couldn’t also save you some green?

Solar Power, Your Way - Expert Guidance Included

Become Your Own Solar Contractor with Our DIY+ Program

Save Thousands with Our DIY Solar Kits and Support

Go Green and Save Green with Our Do-It-Yourself Solar Solution

Solar Power, Your Way - Expert Guidance Included

Become Your Own Solar Contractor with Our DIY+ Program

Save Thousands with Our DIY Solar Kits and Support

Go Green and Save Green with Our Do-It-Yourself Solar Solution

Why Choose Shop Solar

What To Expect - Complete Kits

We've been providing America and Canada with complete solar kits since 2018. Our mission is to make solar simple, which is why our complete packages contain every part and piece that you'd ever need. Designed by our expert solar and electrical engineers, we can have the entire kit shipped to your door. All of our kits come with diagrams and videos along with a lifetime of customer support.

Top Solar Company in the USA

The prestigious ranking by Consumer Affairs is based on comprehensive evaluations, including ratings and reviews, equipment options, support services, pricing transparency, warranties, and various other factors. Among the top 6 nominated companies, Shop Solar stands out with the highest review rating, reaffirming its dedication to customer satisfaction and product quality.

Best Components, Lowest Prices

We cut out the bloat of traditional solar companies and pass those savings off to you. Plus, lifetime customer service on everything we sell.

Expert Guidance

Our team of solar professionals is here to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

We’re people just like you

We’re not corporate and neither are our customers. We’re just a group of 50+ solar enthusiasts who are passionate about providing an honest, no-BS way for anyone, anywhere to improve their lives and the world around them with solar power.

Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.

What to Expect - Solar Panels

Get to know the top-tier solar panels included in your kit. These panels are designed to deliver consistent & reliable performance, ensuring your system powers your needs with ease.

What to Expect - Batteries

Learn about the high-quality batteries included in every solar kit, designed to provide reliable energy storage for all your needs. These batteries ensure your system delivers consistent power when you need it most.

Go Solar Now, Pay Later

At ShopSolar you, we offer a wide variety of payment plan options to meet each customer's needs.

Quick and Easy Application

Fill out a short application and we will match you with multiple payment plan options instantly - Survey at checkout!

Poor Credit or No Credit?

Don’t sweat it. We welcome all credit scores and having a credit score is not required for approval.

No Money Down Today

Some payment plans offer as little as no money down, if you qualify.*` - Survey at checkout!

How we compare to the others!

Tired of the costly and complicated traditional solar sales model? At ShopSolar.com, we streamline the process with our digital-first platform, offering one-click complete solar power solutions that save you up to 50%, often including batteries, for true energy independence. Join over 45,000 satisfied customers enjoying affordable solar energy. Start your journey towards saving thousands at ShopSolar.com today!

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Best for You Systems

Transparent Pricing

Installation Guidance

Lifetime Customer Support

Customer Success Stories

TP

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

JB

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Shop Solar team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Shop Solar.

PB

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Shop Solar on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

JM

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Shop Solar. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Shop Solar Kits.

BH

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go. ShopSolar's Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

KS

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

CA

Coll A

Great Experience

My experience with Shop Solar has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

TP

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

JB

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Shop Solar team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Shop Solar.

PB

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Shop Solar on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

JM

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Shop Solar. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Shop Solar Kits.

BH

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go. ShopSolar's Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

KS

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

CA

Coll A

Great Experience

My experience with Shop Solar has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Be Smart, Buy From an Authorized Dealer

When you choose us, you’re investing in real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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SOLAR + STORAGE MINI COURSE

We get it—solar can be confusing, especially if you're diving in for the first time. Which is exactly why we created this short, no-fluff solar mini course. In just 60 minutes, you'll learn everything you need to know to size, install, and optimize your very own solar power system—no confusing jargon or technical overwhelm.
75% OFF TODAY | LIMITED TIME ONLY.

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Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units
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Mammoth [PRO] 48V [23.5kWh] Lithium Battery Bank On Wheels | Designed & Assembled In USA | 10-Year Warranty | Stack up to 8 Units

Mammoth [PRO] 48V 23.5kWh Lithium Battery | 10-Year Warranty | Features:

BATTERY SPECS

Warranty & Guarantee:

Still have questions? Give us a call today 877-242-2792

Great solar products

Add-on

Mammoth Battery is a beast ...

VP S.TUSSING

Using 2 to power my house

Packed with Power!

Parts and pieces

What is your return policy?

What’s covered by your return policy?

How long will it take to receive my order?

What are your financing and payment options?

How does your Lifetime Customer Support work?

Top Solar Company in the USA

Best Components, Lowest Prices

Expert Guidance

We’re people just like you

Trusted Solar Authority

Prepare for Anything

Solar Power Made Easy

Secure Your Independence

Solar That Makes Sense - DIY+

Solar Power, Your Way - Expert Guidance Included

Become Your Own Solar Contractor with Our DIY+ Program

Save Thousands with Our DIY Solar Kits and Support

Go Green and Save Green with Our Do-It-Yourself Solar Solution

Solar Power, Your Way - Expert Guidance Included

Become Your Own Solar Contractor with Our DIY+ Program

Save Thousands with Our DIY Solar Kits and Support

Go Green and Save Green with Our Do-It-Yourself Solar Solution

Why Choose Shop Solar

What To Expect - Complete Kits

Top Solar Company in the USA

Best Components, Lowest Prices

Expert Guidance

We’re people just like you

Trusted Solar Authority

What to Expect - Solar Panels

What to Expect - Batteries

Go Solar Now, Pay Later

Quick and Easy Application

Poor Credit or No Credit?

No Money Down Today

How we compare to the others!

Customer Success Stories

EG4 off-grid base kit, Happy with my purchase.

Easy Process, Genuine Support

Off Grid Solar Purchase

Highly Recommend

Solar Kit for Mobile Work Van

Best Tech Support

Great Experience

EG4 off-grid base kit, Happy with my purchase.

Easy Process, Genuine Support

Off Grid Solar Purchase

Highly Recommend

Solar Kit for Mobile Work Van

Best Tech Support

Great Experience

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Be Smart, Buy From an Authorized Dealer

SOLAR + STORAGE MINI COURSE

Get a Complimentary Solar Proposal Today!