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

SKU FMMTH-48235-G1-R
Current price $7,200
Original price $11,999
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Original price $11,999
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Friendly Phone Support:  877-242-2792

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Estimated Delivery Time: 5-7 Days | Order Today

30-Day Returns | Fast Shipping | 40,000+ Customers

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:


  • 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) 


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


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


  • 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
  • 3-Year Warranty
  • Lifetime Customer Support (Phone, Live Chat Or Email)

Still have questions About MAMMOTH PRO Lithium Battery Bank? Give us a call today 877-242-2792

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.

Top Solar Company in the USA

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

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 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.