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EcoFlow River 3 300W UPS Portable Power Station - Black/Grey (EFRIVER3-UPS)

EFRIVER3-UPS
An EcoFlow River 3 300W UPS Portable Power Station in a sleek black and grey colour
$499
$20.79^ approximately
NOT CURRENTLY AVAILABLE ONLINE
Spend $500 or more on selected products and get 10% of your purchase price in Harvey Norman Bonus Gift Cards*
Bonus Gift Card amount is indicative only, and is subject to terms and conditions being met. Exclusions apply. Offer ends 11.59pm, Sunday 7 June 2026.
Click for full terms & conditions.
Spend $500 or more on selected products and get 10% of your purchase price in Harvey Norman Bonus Gift Cards*

Excludes Miele whiteware/cookware, NEFF, mobile phone contracts, mobile phone prepay vouchers, gaming subscriptions, gaming card activations, gaming currency, delivery, installation, Ministry of Social Development (Fisher & Paykel) orders, replacement products under your Product Care or DeviceCover plan, Gift Cards & Commercial purchases. 

Harvey Norman Bonus Gift Cards are issued on receipt of goods and expire 36 Months from date of issue. Bonus gift cards are not redeemable for cash and cannot be used in the transaction in which it is issued. If goods are refunded, then the gift card must be returned (if unused) or the value of the gift card will be deducted from the refunded amount. See www.harveynorman.co.nz/gift-card-terms-and-conditions.html or in store for terms, conditions and exclusions.

Offer ends 11.59pm, Sunday 7 June 2026.

Available on 24 months of equal Interest Free instalments:

approximately per month

^ Total repayments $499 (excluding fees). Min purchase of $250 applies. Offer ends . Equal monthly payments required. Lending criteria, T&Cs & fees apply incl. a $55 estb. fee & $65 annual fee ($32.50 half yearly). Standard interest rate (currently 29.49% p.a.) applies after interest free term ends. Exclusions may apply. *Further information on rates and fees can be found at gemfinance.co.nz. Credit provided by Latitude Financial Services Ltd.

How it works
Description

Take advantage of a compact and reliable energy solution on the go with the EcoFlow River 3 300W UPS Portable Power Station. A handy backup for light-duty electronics, this device features a 300W max combined power output and an array of ports. It is also made more lightweight and portable, so you can access a travel-friendly power source even when you’re off the grid. Plus, there are plenty of ways to top up your River 3, such as AC, Solar, In-Car, and Generator Charging.

Key Features

  • Convenient and Efficient Charging: Have access to reliable back-up power during power outages or outdoor getaways with the EcoFlow River 3 300W UPS Portable Power Station! A must-have for your travels, this device comes with an array of output ports, including 1 x AC, 1 x USB-C, 2 x USB-A, and 1 x Car output. It can also charge up to 5 devices simultaneously, offering plenty of slots for refuelling your essential gadgets. For added convenience, this power station supports X-Boost mode (up to 600W).
  • Whisper-Quiet 24/7: Engineered with X-GaNPower technology, the EcoFlow River 3 can easily operate at less than 30 dB while providing lower energy loss and improved heat dissipation.
  • Charge Anywhere: Powering the River 3 is easier than ever! It offers 4 different ways to recharge it, including AC Charging (1 hr), Solar Panel Charging (2.6 hr)*, In-Car Charging (2.8 hr), and Generator Charging (1 hr).
  • Compact and Portable: This handy power station showcases a travel-friendly design that is 30% smaller than the industry average. Now you can effortlessly bring it to your outdoor escapades, whether high up in the mountains or BBQs at the beach.
  • Seamless Operations: Thanks to its integrated display, you can easily check on your power station’s status at a glance.
  • Intuitive App: By downloading its compatible app, you can instantly control and monitor your River 3 Portable Power Station even while you’re away. You can also view charging levels, customise settings, and more—straight from your compatible smartphone.
  • Safety Features: For added peace of mind, this portable power station comes with X-Guard Battery Protection Technology and over 40 safety measures against risks related to current, voltage, temperature, and circuits. It also incorporates a robust fire-retardant shell that can withstand tough conditions and even a 1-metre fall.
  • Built to Last: This EcoFlow Power Station is engineered with an enhanced, long-lasting LiFePO4 battery chemistry. It can charge and empty over 3000 times or 10 years of regular use before its capacity drops to 80%.

*Requires a compatible portable solar panel accessory (not included).

Pick up in store only. Due to freight restrictions, we cannot offer delivery on any Power Station.

Specifications
All Product Details
Brand EcoFlow
Product Type Power Banks
Model Number EFRIVER3-UPS
Colour Black & Grey
Accessories
Material Type Power Station Case: Plastic
Number of Charging Port 6
Input Ports Type Ac input port, Solar/car input port (XT60)
Output Ports Type 1x AC ,1 x USB-C, 2 x USB-A, 1 x Car output
Max Combined Power Output 300W
Number of Devices can Charges Simultaneously Up to 5 Devices
Cable Length 1.5m
Integrated Display Yes
Display Type LCD Display
Battery
Battery Type Lithium Ion (Li-ion)
Rechargeable Yes
Charging
Charging Method AC Input, Solar Input, Car Input
Standard Charging AC Input 300W, Solar Input 110W, Car Input 100W
Durability
IP Rating IP54
Durability Feature Water Resistant, Dust Resistant, Splash Resistant
Additional Features
Compatibility Applicances/ home electronics under 300W output
Power
Wattage/ Voltage AC - 230V~50Hz, 300W total, USB-A 5V, 2.4A, 12W Max per port, total 24W,USB-C 5/9/12/15⎓3A Max, 20V⎓5A Max,100W Max, Car 2.6V, 10A,126W Max
Temperature / Humidity
Operating Temperature 20°C-30°C (68°F-86°F)
Storage Temperature -10°C to 45°C (14°F-113°F)
Dimensions
Product Width 21.5 cm
Product Depth 11.5 cm
Product Height 26 cm
Product Weight 3.5 kg
Warranty
Manufacturers 24 Months
Reviews

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Delivery
Delivery

We aim to dispatch orders within 2 days. Delivery costs are calculated based on your location and the size of your order. Furniture may take up to 8 weeks to deliver as most products are made specifically for your order. Some Customer Direct products are shipped from overseas and may take longer to arrive. Some goods may take longer to deliver if a product is currently not in stock. A staff member will contact you where this occurs.

Easy returns

If you feel your product has failed a Consumer Guarantee (as defined by New Zealand Consumer Law) then don't worry you can easily return it to your local Harvey Norman store. We'll even pay for the postage if you live in an area where there is no store. Our returns policy covers any purchased item ( conditions apply).

What's in the box
  • 1 x EcoFlow RIVER 3 (UPS) Portable Power Station
  • 1 x AC Charging Cable
  • 1 x Car Charging Cable
  • 1 x Quick Start Guide
Questions & Answers
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