BigBattery 36V GATR Max Kit | LiFePO4 Performance -
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BigBattery 36V GATR Max Kit LiFePO4 5kWh / 116Ah Performance Battery

SKU FGATC-36050-G1

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Original price $1,999
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40,000+ Happy Customers!

We Beat All Competitors Prices.

Includes Lifetime Customer Support!

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Have a question? We're here to help.

Friendly Phone Support:  877-242-2792

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Mon-Fri 10am-6pm EST

*charger sold separately*

BigBattery 36V GATR Max LiFePO4 5kWh / 116Ah Performance Battery & FREE Lifetime Customer Support

Designed using our (Standard/Performance) A123 LiFePO4 Cells, This battery is specifically designed for Electric Golf Carts, Utility Carts and Electric Forklifts. We pack (3800/5000) KWh in a single case designed to fit in all 36V Carts and Forklifts.

This battery is built like a tank, Thermal Management, BMS System, Triple-Safety Redundancy, LCD Display, Breakers, Anderson SB175 Port and wheels installed for easy transportation. We guarantee the best price-point Per/kWh on this battery!

This Kit Includes:

  • 1x 36V GATR MAX Battery
  • 1x SB175 Parallel Cable
  • 1x SB175 Ring Terminal Cable
  • 1x Charger

BigBattery 36V A123 LiFePO4 Performance:

• Newest Design • LED Display 
• PERFORMANCE MODEL • Best Price Per/kWh
• Compact Modular Design • Top Selling 36V Model
• High Temp Operating Range • Best Power Density/Pack Size
• Top Selling Power Forklift Battery / Golf Cart   • LED Read-Out for Voltage & Current

BigBattery 36V - A123 LiFePO4 - 125Ah (PERFORMANCE) Detailed Battery Specs:

  • Chemistry:             LiFePO4 (New)
  • Configuration:     13S6P
  • Voltage:                36V
  • Ah Capacity:       116Ah
  • kWh Capacity:    5kWh
  • Wh Capacity:      5000Wh

Performance Specs:

  • Max Continuous Discharge Current:          150A
  • Max Continuous Power:                                    6400W
  • Max Discharge Peak Current:                        12000W (6 Seconds)
  • Voltage Range:                                                     36 – 45V

Charging Specs:

  • Suggested Charge Voltage:     45V
  • Max Charge Current :                100A

Temperature Parameters:

  • Charge Temp Range (°C):                      0°C – 55°C
  • Discharge Temp Range (°C):            -30°C – 55°C
  • Optimal Discharge Temp. Range:     15°C – 35°C
  • Storage Temp:                                      -30°C –  55°C (Max 6 Months)


  • Weight:    110 (LBS)
  • Length:    10.25 (in)
  • Width:      29.75 (in)
  • Height:     11 (in)

Safety Features:

  • BMS (Battery Management System)
  • Over Voltage, Under Voltage, Over-Current
  • (Thermal Management System), Safety Breaker (63A)

Warranty & Guarantee:

  • Made in the USA
  • 10-Year Warranty!
  • Lifetime Customer Support (Phone, Live Chat Or Email)

Still have questions? Don't hesitate to reach out or give us a call today at 877-242-2792

The solar investment tax credit (ITC), commonly known as the solar tax credit, offers home and commercial property owners incentives to install solar and move to renewable energy.

The solar tax credit will allow you to claim 30% of the total cost of this solar system as a credit on your federal tax return. 

*To be eligible for the tax credit, you must own the system and install it at a residence or business that you own in the USA. You must also fill out Form 5695 (Residential) or Form 2468 (Commercial) 

What Type of Solar Panels Are Included?

We only include Tier-1 / Grade A solar panels in our solar kits. They are always monocrystalline and come with at least a 25-year power output warranty. We only source and supply solar panels from reputable brands that have been in business for many years. For more information on your solar panels, click to watch our video.

What Kind of Batteries Are Included?

We almost only include lithium iron phosphate batteries in our solar kits. This is because they are the longest lasting and safest battery option available today. We only source and supply batteries from reputable brands that ideally have US based operations and support teams. We stand behind the batteries we sell and because of that, your lithium batteries will always be covered by a long-term, comprehensive warranty. For more information on your battery bank, click to watch our video.

Does This Kit Come With Setup Instructions?

In addition to guaranteed lifetime customer support, we also provide you with a custom wiring diagram and commissioning guide for setting up your solar kit. Whether you are planning to hire a professional or install it yourself, this information will set you up for success when it comes to getting your solar power system up and running properly. In addition, you’ll also unlock lifetime access to The Solar Hub, where you’ll find instructional videos, articles, troubleshooting guides and tips, so that you can level up your solar knowledge and get the most out of this kit.

Simplified Solar Solutions

Simplified Solar Solutions

Our carefully curated solar kits combine the best components to create an ideal solution for your individual power needs. So whether you need to get off the grid, to save on your electric bill, for emergency backup power, or to fuel your next adventure - we eliminate the need for a designer or custom solution, and pass those savings on to you without compromising on performance.

Best Components, Lowest Prices

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

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 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

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 is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. 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 Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 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 the financing and payment options at Shop Solar Kits?

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, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit 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.

average rating 4.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
Rated 5 out of 5
Easy to Use
Rated 5 out of 5
Customer photos and videos
1 Review
Reviewed by Robert
Verified Reviewer
I recommend this product
Age Range
55 - 64
Rated 4 out of 5
Review posted

Great replacement for lead acid batteries

I needed new batteries for my 36 volt golf cart and decided on lithium ion due to the no-maintenance aspect. This battery was easy to install but it is big, about the size of 3 1/2 six volt lead acid batteries. Great power and definitely made my EZGO cart more responsive. I’ve noticed more torque and gained about 5 mph in speed, with no other changes other than adding this battery. The battery charger is not a rapid charger but charges about in 1/3 the time of the lead acid charger. Definitely worth it and I’d recommend it.

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