SKU: 2660127861

BLUETTI B500K Expansion Battery 5,120Wh

Sale price$1214.55 Regular price$1349.50
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

BLUETTI B500K Expansion Battery 5,120WhTake Control With the BLUETTI B500K When youre off grid and the power dips, nothing kills the mood quicker than gear that cant keep up. Its frustrating, especially when youve spent good money on a setup thats meant to make life easier, not harder. The BLUETTI B500K gives your power station the extra grunt it needs, keeping everything running without the stress. Stick around this ones solid kit for anyone who hates running short on juice. Key Features

Take Control With the BLUETTI B500K

When you’re off-grid and the power dips, nothing kills the mood quicker than gear that can’t keep up.

It’s frustrating, especially when you’ve spent good money on a setup that’s meant to make life easier, not harder.

The BLUETTI B500K gives your power station the extra grunt it needs, keeping everything running without the stress.

Stick around — this one’s solid kit for anyone who hates running short on juice.

Key Features - BLUETTI B500K

  • 5,120Wh LiFePO₄ battery module
  • 4,000+ cycle longevity
  • Works with AC200L/AC200MAX/AC300/AC500
  • 65A max charge input
  • 70A max discharge output
  • Two expansion ports, 58.4V DC

Why you'll love the BLUETTI B500K

Serious long-term reliability

The LiFePO₄ chemistry and 4,000+ life cycles mean the B500K is built for the long haul. You’re buying something that’ll stand up to years of regular use, not a battery that fades after a handful of trips.

Massive usable capacity

With 5,120Wh onboard, you’ve got the headroom to run fridges, lights, comms gear, tools and more without juggling loads. It brings breathing room to your camp setup or backup system, so you’re not constantly checking percentages.

Seamless system expansion

It pairs cleanly with popular BLUETTI units — AC200L, AC200MAX, AC300, AC500, Apex 300 and the B300K. No messing around, no tricky installs. Just plug in and boost your existing system.

Dependable in tough conditions

Operating from –20°C to 40°C, it’s ready for Aussie heat, cold mornings and everything in between. Whether it’s living in the back of the 4WD or set up at home, it keeps delivering.

Straightforward, hassle-free power

With simple ports, strong current capability and a solid 45kg chassis, it’s built for people who want dependable gear without the dramas. Set it up once and get on with your day.

Got Questions? Chat to an expert:


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BLUETTI B500K Specifications

BATTERY INFO

  • Capacity - 5,120Wh
  • Type - LiFePO₄ (Lithium Iron Phosphate)
  • Life Cycles - 4,000+ cycle to 80% original capacity

GENERAL

  • Compatibility - AC200L, AC200MAX, AC300, AC500, Apex300, B300K
  • Weight - 45 kg / 99.21 lbs
  • Dimensions (L x W x D) - 520 × 327 × 308.5 mm / 20.47 × 12.87 × 12.15 in
  • Charging Temperature - 0°C to 40°C / 32°F to 104°F
  • Discharging Temperature - -20°C to 40°C (-4°F to 104°F)
  • Storage Temperature - Up to 1 month: -20°C to 40°C (-4°F to 104°F), Up to 6 months: -20°C to 25°C (-4°F to 77°F)
  • Working Humidity - 5% to 95%RH
  • Charging Current - 65A Max.
  • Discharging Current - 70A Max.
  • 2 × Expansion Port - 58.4VDC Max., 90A Max.
  • Warranty - 4 Years

What's Included

Everything you need is included with your product.

  • B500K Expansion Battery
  • Battery Expansion Cable (P090A Long Cable)
  • User Manual

BLUETTI B500K Downloads

Read any BLUETTI B500K reviews down below ↓

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2660127861

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4.5 ★★★★★
Based on 13 reviews
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Lauren
Birmingham, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
E
Verified Purchase
Elliz
Dallas, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2021
J
Verified Purchase
Judy Fletcher
Lowell, US
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
S
Verified Purchase
Susan
Phoenix, US
★★★★★ 4
Stay put!
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
Nice and thin, soft, and stay put. I wear an 8 shoe and don’t like a thick sock taking up room. These socks are a bit tight on big toe. Wish they came in large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2023
S
Verified Purchase
Stephanie Robnett
Whiting, US
★★★★★ 5
The best
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
The best no show socks I have found. Stay in place very well and hold up wash after wash. I have tossed all the other brands I’ve bought over the years and stocked up on these as I was tired of digging through the drawer hoping to find a clean pair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2024

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