BigBattery R2B2 Portable Power Station - 2.1 kWh -
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BigBattery R2B2 Portable Power Station - 2.1 kWh

SKU FR2B2-120AC021-G1
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Current price $2,299.00
Original price $2,699.00
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PORTABLE POWER! BigBattery‘s 2.1 kWh R2B2 Portable Power Station is the new defining standard for power-on-the-go! Whether you‘re looking to stay prepared in case of an emergency, you want to have power for a weekend of camping, or anything in between, the R2B2 is the solution. With 3000W of Continuous Power, 6.3 kW of PV Array Power, an advanced Battery Management System, and a wide operating temperature range, your R2B2 will be ready during a cold winter when the power goes out, or when you‘re boondocking in the desert.

The R2B2 is equipped with a 3kW inverter and solar charge controller so paired with the right solar panel array, you can have endless renewable power! Plus, the R2B2 comes with a set of sturdy caster wheels on the bottom for easy transportation throughout your home, or on your next adventure. Never worry about running out of power again with the R2B2 Portable Power Station!


  • SKU: FR2B2-120AC021-G1
  • Continuous Power: 3000W
  • Peak Surge Power: 6000W
  • Efficiency: 95%
  • Waveform: Pure-Sine Wave
  • PV Input Charging Range: 75-180V DC
  • Maximum PV Charge Current: 35A
  • Maximum PV Array Power: 6.3kW
  • AC Input Charging Voltage: 120V AC
  • AC Frequency Range: 50-60hz
  • Weight: 104 (LBS)
  • Length Inches: 15
  • Width Inches: 14.6
  • Height Inches: 20.5
  • Humidity Limit: 95%
  • Operating Temperature: 0°C (32°F) / 55°C (131°F)
  • Inverter Safety Shutoff Temperature Limit: 140°F
  • Chemistry: NMC
  • Capacity: 2.1kWh
  • Safety Features: BMS (Battery Management System)
    Over Voltage, Under Voltage, Over-Current
    (Thermal Management System), Safety Fuse (300A)

Designed For: 

  • Emergency Backup
  • Power Outages
  • Camping
  • Boondocking
  • Home Appliances
  • Solar Systems
  • Off-grid Power
  • Medical Devices
  • Device Charging

Still Have Questions? Give us a call today 1-877-242-2792

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.

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 30,000 solar kits sold, 2,500+ positive reviews, and years of experience in the industry, we’re proud to say we’re America’s #1 solar kit retailer. So you can trust us to provide you with top-notch products and legendary customer service at every step of the way.