2025 Winter Sale

Memorial Day Flash Sale

Up to 58% OFF

Honor the brave. Powering freedom at home and beyond.

Notify me once Flash Sale launches
Flash Sale Clearance Sale New Arrivals Whole Home Backup Basic Power RV Life

How it Works

Black friday

Limited-time
Flash Sale Launch on May 13

Black friday

30 Day Price Match
Guarantee Buy Now, Enjoy First!

Black friday

5+1 Years
Warranty Extend free 1-year warranty

Black friday

5 x 24H
Service Quick Answers

Flash Sale

Until May 14 11:59 PM (PDT), or they sell out!

$900

Guardian 6000
4608Wh Capacity | 6000W Output
$1,599$2,499

Buy Now
Learn More
30 Days Price Match Guarantee

$1,300

Guardian 6000 + 240W*2
4608Wh Capacity | 6000W Output | 480W Solar
$2,019$3,319

Buy Now
Learn More
30 Days Price Match Guarantee

$1,350

Guardian 6000 + G5
9216Wh Capacity | 6000W Output
$2,549$3,899

Buy Now
Learn More
30 Days Price Match Guarantee

$2,250

Guardian 6000 + G5 + 240W*4
9216Wh Capacity | 6000W Output | 960W Solar
$3,329$5,579

Buy Now
Learn More
30 Days Price Match Guarantee

$870

  • Low to $0.31/Wh
  • Expandable Up to 10.24kWh
Mega 2
2048Wh Capacity | 2500W Output
$629$1,499

Buy Now
Learn More
30 Days Price Match Guarantee

$1,050

  • Expandable
  • Essential Backup & Outdoor Kit
Mega 2 + 240W
2048Wh Capacity | 2500W Output
240W Solar
$869$1,919

Buy Now
Learn More
30 Days Price Match Guarantee

$1,520

  • Best Seller
  • 2-4 Days Outages
Mega 2 + B2 + 240W*2
4096Wh Capacity | 2500W Output
480W Solar
$1,499$3,019

Buy Now
Learn More
30 Days Price Match Guarantee

$1,640

  • 1-3 Days Outages
Mega 3 + 240W*2
3072Wh Capacity | 3600W Output
480W Solar
$1,499$3,139

Buy Now
Learn More
30 Days Price Match Guarantee

$2,310

  • 3-5 Days Outages
Mega 3 + B2 + 240W*4
5120Wh Capacity | 3600W Output
960W Solar
$2,349$4,659

Buy Now
Learn More
30 Days Price Match Guarantee

Clearance Sale

$310

  • Low to $0.25/Wh
  • Lowest Price Ever
Exodus 1200
992Wh Capacity | 1200W Output
$249US$559
Buy Now
Learn More

$400

  • Low to $0.20/Wh
  • Lowest Price Ever
OUPES 1800
1488Wh Capacity | 1800W Output
$299US$699
Buy Now
Learn More

$650

  • Low to $0.20/Wh
  • Lowest Price Ever
OUPES 2400
2232Wh Capacity | 2400W Output
$449US$1,099
Buy Now
Learn More

$400

Exodus_2400 Power Station
  • Low to $0.22/Wh
  • Lowest Price Ever
Exodus 2400
2232Wh Capacity | 2400W Output
$499US$899
Buy Now
Learn More

$400

  • Low to $0.21/Wh
  • Lowest Price Ever
B5 Extra Battery
5040Wh Capacity | Made for Mega 5
$1,100US$1400
Buy Now
Learn More

$250

  • Low to $1.3/Ah
  • Lowest Price Ever
LFP121 Deep Cycle Battery
12V Voltage | 108Ah Capacity
$149US$399
Buy Now
Learn More

New Arrivals

$1,000

  • Launch Day Sale
  • Low to $0.34/Wh
  • Free Gift
Mega 2 Pro
  • Most Powerful 1000W DC Output
  • 2048Wh Capacity | 2500W Output | 3600W Boost
  • 12 Outputs For Multiple Devices
  • LiFePO4 Battery with 4,000+ Life Cycles to 80%
$699US$1,599
Buy Now
Learn More

$1,050

  • Launch Day Sale
  • Free Gift
Mega 2 Pro + 240W
2048Wh Capacity | 2500W Output
480W Solar
$969US$2,019
Buy Now
Learn More

$1,100

  • Launch Day Sale
  • Low to $0.28/Wh
  • Free Gift
Mega 2 Pro + B2
4096Wh Capacity | 2500W Output
$1,179US$2,279
Buy Now
Learn More

$1,550

  • Launch Day Sale
  • Free Gift
Mega 2 Pro + B2 + 240W*2
4096Wh Capacity | 2500W Output
480W Solar
$1,569US$3,119
Buy Now
Learn More

Whole Home Backup Power

$900

  • Low to $0.36/Wh
  • Dual Voltage
Guardian 6000
  • 240V & 120V Dual Voltage
  • 4,608Wh Capacity | 6000W Output
  • Expandable Up to 41.4k Wh with 8 G5
  • 13 Outputs For Multiple Devices
$1,599US$2,499
Buy Now
Learn More

$1,300

  • Dual Voltage
  • TT-30R Port
Guardian 6000 + 240W*2
4608Wh Capacity | 6000W Output | 480W Solar
$2,019US$3,319
Buy Now
Learn More

$1,350

  • Dual Voltage
  • TT-30R Port
  • Low to $0.28/Wh
Guardian 6000 + G5
9216Wh Capacity | 6000W Output
$2,549US$3,899
Buy Now
Learn More

$2,250

  • Dual Voltage
  • TT-30R Port
Guardian 6000 + G5 + 240W*4
9216Wh Capacity | 6000W Output | 480W Solar
$3,329US$5,579
Buy Now
Learn More

Basic Power for Home & Outdoor

$310

  • Low to $0.25/Wh
  • Best Outdoor Seller
  • Ultra Portable
Exodus 1200
  • 992Wh Capacity | 1200W Output
  • 140W USB-C for high-demand devices
  • 10 Outputs For Multiple Devices
$249US$559
Buy Now
Learn More

$350

  • Best Outdoor Kit
Exodus 1200 + 100W
992Wh Capacity | 1200W Output | 100W Solar
$349US$699
Buy Now
Learn More

$370

    Mega 1 Lite + 240W
    1024Wh Capacity | 2000W Output | 240W Solar
    $649US$1,019
    Buy Now
    Learn More

    $430

      Exodus 2400 + 240W
      2232Wh Capacity | 2400W Output | 240W Solar
      $699US$1,129
      Buy Now
      Learn More

      RV Life

      $1,300

      • Best RV Kit
      • TT-30R Port
      Guardian 6000 + 240W*2
      • 240V & 120V Dual Voltage
      • 4,608Wh Capacity | 6000W Output | 480W Solar
      • Expandable Up to 41.4k Wh with 8 G5
      • 13 Outputs For Multiple Devices
      $2,019US$3,319
      Buy Now
      Learn More

      $1,640

      • TT-30R Port
      Mega 3 + 240W*2
      3072Wh Capacity | 3600W Output | 480W Solar
      $1,499US$3,139
      Buy Now
      Learn More

      $1,310

      • TT-30R Port
      Mega 3 + B2
      5120Wh Capacity | 3600W Output
      $1,669US$2,979
      Buy Now
      Learn More

      $1,350

      • TT-30R Port
      Mega 2 Pro + 240W*2
      2048Wh Capacity | 2500W Output | 480W Solar
      $1,089US$2,439
      Buy Now
      Learn More

      $250

      • Fully Charge in 1.5 Hrs
      Mega 1 + Alternator Charger
      1024Wh Capacity | 2000W Output | 800W Fast Car Charging
      $699US$949
      Buy Now
      Learn More

      $850

      • Fully Charge in 2.8 Hrs
      Mega 2 + Alternator Charger
      2048Wh Capacity | 2500W Output | 800W Fast Car Charging
      $899US$1,749
      Buy Now
      Learn More

      $9900

      • Fully Charge in 6.5 Hrs
      Guardian 6000 + Alternator Charge
      4,608Wh Capacity | 6000W Output | 800W Fast Car Charging
      $1,849US$2,749
      Buy Now
      Learn More

      Real Voices from Customers

      Trustpilot

      Quick Guide to Choose the right Model

      Backup Time Calculator

      How many days a power station can support devices?

      Learn More

      Running Time Calculator

      How long a power station can support devices?

      Learn More

      Quick Quiz to Recommend

      30s quiz to find your perfect power station

      Take a 30s quiz

      Product Comparison

      Which Product is Better & More Affordable?

      Learn More

      Term & Conditions

      • Promotion Period: This promotion period runs from May 11, 2026, 12 AM (PDT) to May 31, 2026, 11:59 PM (PDT).
      • Free shipping for outlying areas, Puerto Rico, Hawaii, and Alaska is unavailable. Please refer to our shipping policy for more details.
      • All orders must comply with OUPES's purchase agreement and return policy during the sale promotion.
      • OUPES reserves the right to stop, cancel, or change the promotion at any time during the promotion. Any changes will be announced on the OUPES official website.
      • If you encounter any problems during the promotion, please contact customer service (Support@oupes.com) for assistance.
      • OUPES will offer flash sale items from 12:00 AM PDT, May 13 to 11:59 PM PDT May 14 on the OUPES 2026 Memorial Day Sale promotion page (https://oupes.com/pages/memorial-day-sale).
      • Flash sale items are limited in quantity and available for 24 hours. Sales stop when the items are sold out. If items remain unsold after 24 hours, the sale ends, and no price match guarantee will be offered.
      • Orders placed on oupes.com during the Promotion Period are eligible for a 30-day price match guarantee.
      • If a lower price is found on oupes.com within 30 days of the order date (excluding flash sale and members-only prices), participants can contact support@oupes.com for a price adjustment.
      • This Price Guarantee applies to purchases from oupes.com only. Lower price must be for the identical product on oupes.com.
      • This price-match does not apply to marketplace resellers, financing offers, coupons, gift card offers, bundles, free items, customizable configurations, specialty products, pricing errors, service and installation offers, items advertised as limited-quantities, out-of-stock items, deal-of-the-day, flash sales, closeouts, discontinued, clearance, final sale or any paid membership club offers.