---
product_id: 616442986
title: "Portable Power Station River 2 Max 500, 499Wh 500W"
brand: "ef ecoflow"
price: "¥142899"
currency: JPY
in_stock: true
reviews_count: 13
category: "Ef Ecoflow"
url: https://www.desertcart.jp/products/616442986-portable-power-station-river-2-max-500-499wh-500w
store_origin: JP
region: Japan
---

# 1-hour AC fast recharge 499Wh LiFePO4 long-life battery 2.3-hour solar recharge Portable Power Station River 2 Max 500, 499Wh 500W

**Brand:** ef ecoflow
**Price:** ¥142899
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up fast, live limitless.

## Quick Answers

- **What is this?** Portable Power Station River 2 Max 500, 499Wh 500W by ef ecoflow
- **How much does it cost?** ¥142899 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/616442986-portable-power-station-river-2-max-500-499wh-500w)

## Best For

- ef ecoflow enthusiasts

## Why This Product

- Trusted ef ecoflow brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean Energy On-The-Go:** Harness solar power and recharge in as little as 2.3 hours with 220W input—your eco-friendly companion for every adventure.
- • **Ultra-Portable & Ready:** Weighing just 13.3 lbs with multiple ports, it’s the sleek power station that fits your mobile lifestyle and professional demands.
- • **Lightning-Fast Recharge:** Get back to full power in just 60 minutes with EcoFlow’s X-Stream technology—because downtime is so last decade.
- • **Power Your Entire Setup:** Run up to 11 devices simultaneously with a robust 1000W output—perfect for work, play, or emergency backup.
- • **Decade-Long Battery Life:** LiFePO4 cells with advanced BMS protection ensure over 10 years of reliable, safe power—invest once, power forever.

## Overview

The EF ECOFLOW River 2 Max 500 is a compact, portable power station featuring a 499Wh LiFePO4 battery and 1000W output capacity. It boasts ultra-fast 1-hour AC recharge and rapid 2.3-hour solar charging capabilities, supporting up to 11 devices simultaneously. Designed for durability and mobility, it weighs only 13.3 lbs and includes advanced battery management for over a decade of reliable use—ideal for professionals, outdoor enthusiasts, and emergency preparedness.

## Description

desertcart.com : EF ECOFLOW Portable Power Station River 2 Max 500, 499Wh 500W | 1 Hr Fast Charging, LiFePO4 Battery, Up to 1000W Output Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs : Patio, Lawn & Garden

Review: Already Earned Its Keep After Just a Few Weeks - I've only owned this power station for a few weeks, but it's already proven itself useful enough that I don't regret buying it. The first real test came when I needed to charge the battery on my ATV, and this unit handled running my battery charger without any problems. It honestly ended up being a lifesaver because I didn't have to drag extension cords halfway across the property or move equipment just to get power where I needed it. One thing I especially like is how portable it is. It's easy to carry where it's needed instead of bringing the project to the power source. The fast charging is another nice feature. Being able to recharge the unit quickly makes it much more practical than waiting all day between uses. The display is also simple to read, giving a quick look at battery level, power input, and output without making you dig through menus. I haven't owned it long enough to comment on long-term durability or battery longevity, but the early experience has been very positive. Based on what I've seen so far, I can already tell this will be useful for camping, power outages, charging equipment around the property, and all those situations where you need electricity somewhere that doesn't have an outlet nearby. Overall, this has made an excellent first impression, and after only a few weeks it's already paid for itself by getting me out of a bind when my ATV battery needed charged.
Review: THIS IS EPIC!! - I intentionally waited to write this review so I could test it in real life scenarios that I personally would want this solar generator for. It is a beast for it's size and for how quickly it can charge. In my video you can see that my street fighter 2: hyper fighting arcade cabinet will run for over 4 hours on 28% battery. I later on charged it to full and it gave me over 17 hours of run time. I even played games for 3 hours to make sure there was no shorts, cut offs etc, and it ran flawlessly. Next a ran a large tunnel fan. It ran it for about 2 hours without issues. I then moved on to my actual PC and monitor. I get a little over 2 hours of use with this generator at full which doesn't sound like alot but bare in mind that I got this for $200. My next big test was my Playstation 4 and projector. It handled it better than I thought at almost 3 hours!! Simply amazing. It takes about 57mins to charge it from the plug. I tested multiple solar panels for charging as well. I tried a 100w portable panel and an actual 100w panel. It does take about 5hours to charge solar with both and about 7 to 9 hours with 1. However, I was also charging a power bank with it while solar charging thanks to the pass thru! This is an absolute must have! If our grid ever goes down I will be watching movies, refrigerating food, playing arcade games, trying to live life and enjoy some of the luxuries as well! My kids will thank me for being a pepper! This will run all your lights and everything else in a camp site as well with total ease. Trust me, I wasn't paid in any way or receive anything for this receive anything in exchange. I wanted to write this so if someone is on the fence about it , they could rest assured these things are real and can save your life. The absolute ONLY drawback is that I couldn't afford a larger one. Even the 256wh version is a must have. The bigger you buy, the more stuff you can run longer. So if you can afford it, grab a nice big one!!! Thanks for reading. 10 out of 10!!!! Also. The display is nice and bright. Can see it in the summer sun.

## Features

- [1 Hour AC Recharge] - Power up in just 1 hour! With EcoFlow's X-Stream fast charging technology, recharge your RIVER 2 Max 500 using any standard AC outlet.
- [Power All Your Essentials] - With an output of up to 1000W, run 11 essential appliances simultaneously without worrying about overloading. With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered.
- [LiFePO4 Long-Life Battery] - Enjoy over 10 years of use with our LiFePO4 battery cells. RIVER 2 Max 500 includes advanced BMS protection, monitoring voltage, current, and temperature to keep your LFP battery running for years.
- [Fast Solar Charging] - Embrace clean energy! Recharge your RIVER 2 Max 500 in as fast as 2.3 hours with just 220W of solar input. Perfect for outdoor adventures.
- [Lightweight & Portable] - Take power anywhere! Weighing only 13.3lbs, the RIVER 2 Max 500 is designed for easy transportation. Ideal for camping, RV trips, or home backup.
- [What's Included] - RIVER 2 Max 500 power station, AC charging cable, user manual, and 5-year service. We've got you covered!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVZQ5RN1 |
| Additional Features | Portable |
| Best Sellers Rank | #14,074 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #69 in Outdoor Generators |
| Brand | EF ECOFLOW |
| Brand Name | EF ECOFLOW |
| Color | Black |
| Current Rating | 8 A |
| Customer Reviews | 4.6 out of 5 stars 1,386 Reviews |
| Engine Displacement | 79 cubic centimeters |
| Engine Power Maximum | 1000 watts |
| Engine Type | 4 Stroke |
| Fuel Type | Electricity |
| Included Components | Portable Power Station |
| Item Dimensions L x W x H | 10.6"L x 10.2"W x 7.7"H |
| Item Highlight | 1 Hr Fast Charging, LiFePO4 Battery, Up to 1000W Output Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs |
| Item Type Name | Portable Power Station |
| Manufacturer | EF ECOFLOW |
| Manufacturer Part Number | EFR607 |
| Model Name | EFR607 |
| Model Number | EFR607 |
| Number of Items | 1 |
| Output Wattage | 1000 |
| Power Source | Battery Powered |
| Recommended Uses For Product | Camping, Residential |
| Running Wattage | 1000 watts |
| Runtime | 2 hours |
| Starting Wattage | 1000 watts |
| Total Power Outlets | 11 |
| UPC | 842783140630 |
| Unit Count | 1 Count |
| Voltage | 120 volts |
| Warranty Description | 5 year manufacturer |
| Wattage | 1000 watts |

## Product Details

- **Brand:** EF ECOFLOW
- **Color:** Black
- **Fuel Type:** Electricity
- **Included Components:** Portable Power Station
- **Output Wattage:** 1000
- **Power Source:** Battery Powered
- **Recommended Uses For Product:** Camping, Residential
- **Special Feature:** Portable
- **Voltage:** 120 volts
- **Wattage:** 1000 watts

## Images

![Portable Power Station River 2 Max 500, 499Wh 500W - Image 1](https://m.media-amazon.com/images/I/51JCW7CjryL.jpg)

## Available Options

This product comes in different **Set** options.

## Questions & Answers

**Q: How long can the RIVER 2 Max 500 power my appliances?**
A: Run time≈ 499Wh*0.85/operating wattage of your appliances.

**Q: Can RIVER 2 Max 500 be used as an uninterruptible power supply(UPS)?**
A: When your RIVER 2 Max 500 is plugged into the wall, anything plugged into it gets power from the grid, not its battery. If power from the grid stops, RIVER 2 Max 500 automatically switches to its battery supply mode within 30 milliseconds.

**Q: Can RIVER 2 Max 500 handle high-wattage appliances?**
A: Yes. RIVER 2 Max 500 can power devices up to 1000W with our proprietary technology, X-Boost. *X-Boost can run devices that require up to 1000W, however, it's best to test before use.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Already Earned Its Keep After Just a Few Weeks
*by R***S on July 1, 2026*

I've only owned this power station for a few weeks, but it's already proven itself useful enough that I don't regret buying it. The first real test came when I needed to charge the battery on my ATV, and this unit handled running my battery charger without any problems. It honestly ended up being a lifesaver because I didn't have to drag extension cords halfway across the property or move equipment just to get power where I needed it. One thing I especially like is how portable it is. It's easy to carry where it's needed instead of bringing the project to the power source. The fast charging is another nice feature. Being able to recharge the unit quickly makes it much more practical than waiting all day between uses. The display is also simple to read, giving a quick look at battery level, power input, and output without making you dig through menus. I haven't owned it long enough to comment on long-term durability or battery longevity, but the early experience has been very positive. Based on what I've seen so far, I can already tell this will be useful for camping, power outages, charging equipment around the property, and all those situations where you need electricity somewhere that doesn't have an outlet nearby. Overall, this has made an excellent first impression, and after only a few weeks it's already paid for itself by getting me out of a bind when my ATV battery needed charged.

### ⭐⭐⭐⭐⭐ THIS IS EPIC!!
*by I***S on August 2, 2024*

I intentionally waited to write this review so I could test it in real life scenarios that I personally would want this solar generator for. It is a beast for it's size and for how quickly it can charge. In my video you can see that my street fighter 2: hyper fighting arcade cabinet will run for over 4 hours on 28% battery. I later on charged it to full and it gave me over 17 hours of run time. I even played games for 3 hours to make sure there was no shorts, cut offs etc, and it ran flawlessly. Next a ran a large tunnel fan. It ran it for about 2 hours without issues. I then moved on to my actual PC and monitor. I get a little over 2 hours of use with this generator at full which doesn't sound like alot but bare in mind that I got this for $200. My next big test was my Playstation 4 and projector. It handled it better than I thought at almost 3 hours!! Simply amazing. It takes about 57mins to charge it from the plug. I tested multiple solar panels for charging as well. I tried a 100w portable panel and an actual 100w panel. It does take about 5hours to charge solar with both and about 7 to 9 hours with 1. However, I was also charging a power bank with it while solar charging thanks to the pass thru! This is an absolute must have! If our grid ever goes down I will be watching movies, refrigerating food, playing arcade games, trying to live life and enjoy some of the luxuries as well! My kids will thank me for being a pepper! This will run all your lights and everything else in a camp site as well with total ease. Trust me, I wasn't paid in any way or receive anything for this receive anything in exchange. I wanted to write this so if someone is on the fence about it , they could rest assured these things are real and can save your life. The absolute ONLY drawback is that I couldn't afford a larger one. Even the 256wh version is a must have. The bigger you buy, the more stuff you can run longer. So if you can afford it, grab a nice big one!!! Thanks for reading. 10 out of 10!!!! Also. The display is nice and bright. Can see it in the summer sun.

### ⭐⭐⭐⭐⭐ Amazing product
*by M***A on April 24, 2026*

I purchased this EcoFlow portable power station in January 2025, and I’ve used it every day since then. I originally bought it so I could keep my work laptops powered while having the flexibility to move around instead of staying in one spot. One of the things I really like is that it doesn’t need to stay plugged in to operate—you can use it wirelessly and even charge it while it’s in use. I typically charge it after my workday, and it easily lasts through my full 8-hour shift powering three monitors the entire time. It also charges back to 100% in about an hour, which is impressively fast. It’s been very reliable for my main use, but it’s also come in handy for other situations. During a power outage, we used it to charge our phones, which was a big plus. The performance hasn’t changed at all since day one, which makes me feel confident it will last for years. The only minor issue is that it sometimes makes a noise during the day—I even recorded a video of it—but it hasn’t affected my work or caused any real inconvenience. Overall, it’s been a great and dependable tool for my needs and great value for the money that I have paid.

## Frequently Bought Together

- EF ECOFLOW Portable Power Station RIVER 2 Max 500, 499Wh LiFePO4 Battery/ 1 Hour Fast Charging, Up To 1000W Output Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use
- EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output, Solar Generator(Solar Panel Optional) for Home Backup Power, Camping & RVs
- EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-15*