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The EcoFlow RIVER 3 Max Portable Power Station.

The EcoFlow RIVER 3 Max Portable Power Station is the perfect blend of compact power and expandable energy storage, making it an ideal solution for both outdoor adventures and daily use. Whether you’re camping, fishing, or just need a reliable backup for your home, the EcoFlow RIVER 3 Max delivers. Combining the EcoFlow RIVER 3 Plus with the EcoFlow Extra Battery EB300, the RIVER 3 Max boasts a total battery capacity of 572Wh, offering significantly

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The EcoFlow RIVER 3 Max Portable Power Station is the perfect blend of compact power and expandable energy storage, making it an ideal solution for both outdoor adventures and daily use. Whether you’re camping, fishing, or just need a reliable backup for your home, the EcoFlow RIVER 3 Max delivers. Combining the EcoFlow RIVER 3 Plus with the EcoFlow Extra Battery EB300, the RIVER 3 Max boasts a total battery capacity of 572Wh, offering significantly more power while maintaining the same portability and versatility that makes the RIVER series stand out.

This highly adaptable power station is designed for users who need flexibility, allowing you to easily expand and contract your power setup as needed. With the added battery, it provides longer runtimes for your devices, ensuring you have the energy to get through extended trips or emergencies.

600W Output with 572Wh Battery Capacity: More Power, More Possibilities

The EcoFlow RIVER 3 Max is equipped with a 600W output (X-Boost 1200W) and 572Wh battery capacity, which is a considerable increase over the standard RIVER 3 model. This extra capacity means longer runtimes for your essential devices, giving you the flexibility to power more gear for longer periods, whether you’re off-grid or dealing with an unexpected power outage.

Despite its increased power capacity, the RIVER 3 Max remains compact and lightweight, making it easy to transport wherever you go. Its 600W output can handle a wide variety of devices, from smartphones and laptops to small kitchen appliances and outdoor gear, making it the perfect companion for both outdoor and indoor use. Whether you’re powering camping lights, charging multiple devices at once, or running small appliances, the RIVER 3 Max has you covered.

Run Times:

  • NAS Server (40W) 10.4 hr
  • Car Fridge (60W) 7.2 hr
  • Game Console (100W) 4.4 hr
  • Refrigerator (400W) 1 hr
  • Desktop (600W) 42 min

Expandable Power with EcoFlow EB300 Extra Battery

The key feature of the RIVER 3 Max is its expandable power system. By adding the EcoFlow Extra Battery EB300, the total battery capacity of the unit jumps to 572Wh—enough to keep you powered through extended use without the need for constant recharging. The EB300 battery integrates seamlessly with the RIVER 3 Plus, connecting effortlessly with Pogo Pin technology. This wireless connection eliminates the need for cables or screws, making expansion quick, easy, and hassle-free.

With the RIVER 3 Max, you have the flexibility to adapt to your changing power needs. Whether you’re preparing for longer outdoor excursions or simply want additional backup power for your home, the expandable battery capacity ensures you’re ready for any situation.

LFP Battery Chemistry: Reliable and Long-Lasting

Built with advanced LiFePO4 (LFP) battery technology, the RIVER 3 Max offers safety, durability, and longevity. The LFP battery provides 3,000 cycles to 80% capacity, giving you years of reliable use even with frequent charging. This technology is known for its superior thermal stability, making it safer and more reliable than traditional lithium-ion batteries, especially under continuous use.

Whether you’re using it daily or storing it as a backup for emergencies, the RIVER 3 Max is built to last, giving you peace of mind with its long lifespan and dependable performance.

Fast Charging: Ready for Action in 60 Minutes

Speed is critical when you need power on the go, and the EcoFlow RIVER 3 Max delivers with its impressive fast-charging capabilities. The unit can be fully recharged from 0 to 100% in just 1.5 hours using AC wall charging, ensuring you can get back to your activities quickly.

This fast recharge time makes the RIVER 3 Max ideal for users who need rapid power turnarounds, whether you’re heading out the door for a spontaneous camping trip or recovering from a power outage at home.

In addition to AC charging, the RIVER 3 Max offers multiple ways to recharge:

  • AC Wall Charging: Fast and convenient, fully charges the unit in 1.5 hours.
  • Solar Charging: Pair the unit with a 220W solar panel, and recharge in approximately 3.2 hours, perfect for off-grid adventures.
  • 12V Car Charging: Recharges the unit in 6.5 hours, ideal for road trips or emergencies on the go.
  • Inverter Generator Charging: Recharges in just 1.5 hours at 650W max, making it easy to replenish your power supply anywhere.
  • USB-C Charging: with a max input of 140W a full charge cycle takes just 7 hours

With these flexible charging options, the RIVER 3 Max ensures you’re never without power, no matter where you are or what you’re doing.

Whisper-Quiet Operation: Peaceful Power

At just 30dB, the EcoFlow RIVER 3 Max operates whisper-quiet, making it ideal for environments where silence is golden. Whether you’re using it at home to run essential electronics or out in nature enjoying the peace and quiet, the RIVER 3 Max won’t disturb your surroundings. This quiet operation makes it a versatile power source for a wide range of applications, from family camping trips to home office setups.

X-GaNPOWER: Next-Level Energy Efficiency

The RIVER 3 Max incorporates X-GaNPOWER technology, which uses gallium nitride (GaN), a cutting-edge semiconductor material renowned for its energy efficiency. Commonly used in 5G technology and electric vehicles, GaN reduces energy loss and improves overall performance, delivering double the runtime for devices under 100W.

This energy efficiency is a game-changer for those looking to maximise their power usage. Whether you’re running small appliances or charging personal devices, the RIVER 3 Max ensures you get more out of each charge, making it ideal for users who need to stretch their power supply.

Built-in UPS Function: Keep Your Devices Safe

Another standout feature of the EcoFlow RIVER 3 Max is its built-in Uninterruptible Power Supply (UPS) functionality. The UPS ensures that sensitive devices, such as desktop computers, NAS systems, and gaming consoles, remain powered during outages. The <10ms switchover time guarantees continuous power, preventing disruptions to your workflow or gaming sessions.

For added convenience, the RIVER 3 Max includes a By-pass mode that allows power to flow directly from the grid to your appliances without drawing from the battery. This feature ensures 24/7 connection without affecting the battery’s lifespan, preserving it for when you truly need it.

Control at Your Fingertips with the EcoFlow App

Stay in control with the EcoFlow App, which gives you real-time insights and remote control of your RIVER 3 Max. The app allows you to monitor your power usage, adjust charging speeds, and set up timed charging and discharging schedules. Whether you’re at home or on the go, the EcoFlow App ensures you always have full control of your portable power station.

The Perfect Portable Power Solution with a 5-Year Warranty

With its expandable battery capacity, fast-charging options, and versatile features, the EcoFlow RIVER 3 Max is a powerful and reliable solution for a wide range of needs. From outdoor adventures to home backup, this power station is designed to provide long-lasting, efficient energy wherever you need it.

And with a 5-year warranty, you can trust in the durability and performance of the RIVER 3 Max, knowing that your investment is protected for years to come. Whether you’re preparing for a road trip, camping adventure, or power outage, the EcoFlow RIVER 3 Max is ready to keep you connected.

What’s In the Box?

EcoFlow RIVER 3 Max, AC Charging Cable, Car Charging Cable, USB-B to USB-A UPS Communication Cable, Quick Start Guide and warranty.

FAQ’S

Q1. What is the relationship between EcoFlow RIVER 3 Max, RIVER 3 Max Plus, and RIVER 3 Plus?
A. EcoFlow RIVER 3 Max consists of EcoFlow RIVER 3 Plus connected to the EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh). EcoFlow RIVER 3 Max Plus consists of EcoFlow RIVER 3 Plus connected to the EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh).

Q2. Does EcoFlow RIVER 3 Plus support simultaneous solar and AC charging?
A. Yes, the charging priority can be adjusted in the app.
1. By default, AC charging takes priority, but you can change the priority via the app.
2. When both AC and solar inputs are connected, AC charging will take priority. The solar panel will charge at its maximum power, and the AC will supplement any additional power needed to fully charge the battery.

Q3. Is EcoFlow RIVER 3 / RIVER 3 Plus waterproof?
A. The battery cells and BMS in EcoFlow RIVER 3 and RIVER 3 Plus support IP54 protection, providing extra peace of mind during use. However, the entire product is not waterproof.

Q4. Does EcoFlow RIVER 3 Plus support UPS?
A. EcoFlow RIVER 3 Plus supports < 10ms UPS.

Q5. Does EcoFlow RIVER 3 Plus support charging via USB-C?
A. EcoFlow RIVER 3 Plus supports USB-C output up to 100W but do not support charging via USB-C. The EcoFlow RIVER 3 Plus Smart Extra Battery EB300 (286Wh) and EcoFlow RIVER 3 Plus Smart Extra Battery EB600 (572Wh) support both charging and discharging via USB-C up to 140W.

Q6. What is the standby power consumption for RIVER 3 Plus?
A. EcoFlow RIVER 3 Plus: AC standby power consumption ≤ 5.5W, DC standby power consumption ≤ 2.3W.

Q7. Does EcoFlow RIVER 3 Plus support bypass mode output?
A. EcoFlow RIVER 3 Plus supports AC output up to 600W while charging the battery.

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Main Features:

  • Model RIVER 3 Max
  • AC Output 600W
  • X-Boost 1200W
  • Battery capacity in Wh 572 / 179200mAh
  • Battery type LFP lithium iron phosphate (LiFePO 4)
  • Battery Cycle Life 3000 cycles to 80% capacity
  • Waterproof No
  • Overcharge protection Yes
  • Charge indicator Yes
  • UPS <10ms
  • APP Yes Wi-Fi & Bluetooth
  • Noise 30db
  • Warranty 5 Years

AC Output:

  • 1 x 600W (X-Boost 1200W)
  • Pure Sine Wave Output (1 x 230v socket)

DC Input:

  • 11~30V, 8A Max, 100W Max

DC Output:

  • 1 port, 12.6V, 10A, 126W Max

Solar Input:

  • 220W Max 11~55V, 13A

Output USB:

  • 2 x USB-A: 5V⎓2.4A, 12W Max per port, total 24W
  • 1 x USB-C: 5/9/12/15⎓3A Max, 20V⎓5A Max, 100W Max
  • 1 x USB-C: 140W, 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max
  • Wireless No

Recharge Times:

  • AC Mains: Recharge from 0% to 100% in 1.5 hours
  • Car Recharge 0-100% in 6.5 hr
  • Solar 110W input 0-100% in 6.4 hrs
  • Solar 220W input 0-100% in 3.2 hrs
  • USB-C Recharge 140W Max 0-100% in 7 hr

Dimensional Data:

  • Length (L) cm 23.4
  • Width (W) cm 22.4
  • Height (H) cm 25.6
  • Weight Kg 8

Extra Battery B300:

  • Battery capacity in Wh 286 / 89600mAh
  • Battery type LFP lithium iron phosphate (LiFePO 4)
  • Battery Cycle Life 3000 cycles to 80% capacity
  • Waterproof No
  • Overcharge protection Yes

USB-C Output:

  • 1 x 5V/9V/12V/15V⎓3A Max, 20V/28V⎓5A Max, 140W Max

USB-C Recahrge:

  • 0-100% in 3.5 hr

EB Interface:

  • 17.5-25.5V⎓14A Max

Dimensional Data:

  • Length (L) cm 23.4
  • Width (W) cm 22.4
  • Height (H) cm 11
  • Weight Kg 3.3

Delivery

When will I receive my order?

In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This ava

...

When will I receive my order?

In most cases, a product on our website will give you an indication of the current stock availability, but shipping is not uniform for all products. We maintain fantastic relationships with all of our suppliers and we aim to get products to customers within 3 business days of the order being taken. This availability is based on information from our suppliers and from sales and supply patterns. The availability information given is a guide only and not a guarantee as there are external factors that we may not have control over.

Coronavirus Update – UK couriers and transport companies will not currently guarantee delivery times and we are seeing a slight delay in deliveries – please bear this in mind when ordering.

Specialist Couriers – Some items such as the larger portable power stations are sent by specialist courier as standard couriers will not accept them. These specialist couriers are very reliable but sometimes don’t have tracking or timed delivery.

Split deliveries – We sometimes need to send orders for more than one item by different courier networks (portable power stations for example) – so you may receive items at different times.

1500rpm machines or larger diesel gensets however are typically priced on application and all depend on the destination. We will be happy to quote on any large diesel generator and discuss your needs over the phone or via email.

Most orders placed before 12pm on a business day will be shipped from our suppliers on the same day provided the product is in stock. If you need to be certain an item is in stock and available, or if you need a lead time, it’s worth calling our sales team on 01329 722390. Pricing for extended shipping areas like Northern Ireland, the Scottish Highlands and outlying Islands, Outer Hebrides, Channel Islands, Isle of Man, Scilly Isles, and other postcodes not considered as UK mainland can be obtained also by calling our offices.

Please note that the processing of a payment and acknowledgement email does not constitute a legally binding contact. In the case of mispricing, changes in stock quantity, or if we believe the machine will be misused, we reserve the right to cancel the order and provide a full refund.

Heavy Items

You will be contacted by phone after ordering a larger item to confirm a delivery date before your order is dispatched. Large or heavy items are dispatched through a pallet network, so if we can’t get in contact with you, we may be unable to send out your item on a next day delivery. Please be sure to include a working phone number with your order.

Heavy items will require the recipient to make arrangements to take delivery of the goods and may require the recipient to help the courier unload the item. For items that are delivered on a pallet the courier will leave the pallet as close to your door as possible.

1500rpm diesel generators will require forklift (or similar) offloading; if this is not available then we can arrange a Hiab offload at an additional price – please call us to discuss any delivery requirements.

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Have any questions on the EcoFlow RIVER 3 Max Portable Power Station?

Get in touch with us today and we'll be happy to answer any questions you have.

  • CALL US

    01329 722390

  • EMAIL

    info@hampshiregenerators.co.uk

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