RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
Original price was: 319,00 €.159,50 €Current price is: 159,50 €.
– <10 ms pro-grade UPS for precision devices – 600W rated output and 1200W X-Boost – Up to 2× runtime for light-wattage appliances – Expandable up to 858Wh with a wire-free connection – Compact and lightweight – 1-hr fast charging, no battery damage – Up to 220W fast solar…
25 in stock
Why Choose RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
Engineered for uncompromising performance, safety, and long-term reliability
10 Years of Reliable Daily Power & Blackout Protection
Built with automotive-grade LiFePO4 battery cells offering 3,000+ full charge cycles before reaching 80% capacity. Advanced BMS (Battery Management System) continuously monitors voltage, current, and temperature in real time.
Rapid AC, Solar & Alternator Multi-Source Recharging
Combine grid AC input with high-efficiency portable solar panels or the 800W Alternator Charger for industry-leading recharge speeds — keeping your home, RV, or workshop powered without interruption.
Real-Time Energy Management via Wi-Fi & Bluetooth
Monitor input/output wattage, customize charge speeds, set automated backup reserves, and update firmware effortlessly from anywhere using the official EcoFlow mobile app.
📦 What’s Included in Your Delivery
Every order ships factory-sealed from our Hamburg logistics center with full insurance coverage:
- ✓ RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) (Factory-Sealed Original Unit)
- ✓ Official AC Charging Cable & Car Charging Cable
- ✓ Quick-Start Guide, Safety Manual & Warranty Registration Card
- ✓ 2-Year Official Warranty + Free Insured Express Delivery
⚙️ Verified Product & Merchant Specifications
| Model Name | RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) |
|---|---|
| Brand / Manufacturer | EcoFlow |
| Merchant SKU | EFRIVER3Max-US |
| Identifier / GTIN | Certified Original |
| Item Condition | Brand New • Factory Sealed |
| Manufacturer Warranty | 2 Years Official Coverage |
| Return Policy | 30-Day Money-Back Guarantee |
| Shipping Cost & Speed | €0.00 (Free Insured Express • 3–6 Business Days) |
Frequently Bought Together
Pair your RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) with these top-rated companions at 50% off
EcoFlow DELTA Pro Ultra Whole-Home Backup Power (UL 9540 Certificated)
Customer Reviews for RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
Based on 5 verified buyer reviews
Genuine EcoFlow unit with full 2-year warranty registration. Fast insured shipping with tracking from start to finish. At 50% off retail, this RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) is an absolute steal.
Very solid performance and super clear LCD display on the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300). Packaging was double-boxed and reinforced. Delivery took 4 business days. Highly recommended!
Plug-and-play setup right out of the box. We use the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) both for emergency home backup and in our campervan. Zero issues and rock-solid voltage stability.
Ordered the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) during the 50% off promotion and could not be happier. Arrived in 4 days in factory-sealed EcoFlow packaging. Charges super fast via AC and solar, and the EcoFlow app connects via Bluetooth/Wi-Fi effortlessly.
Incredible build quality and pure sine wave output. I tested the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) with heavy household appliances and workshop tools and it handled the load without breaking a sweat. Unbeatable price at Power Elektronik!
Shipping, Warranty & Support Details
How fast is shipping and is my delivery insured?
All orders ship free of charge from our warehouse in Hamburg, Germany within 24 hours (Mon–Fri). Express transit takes 3–6 business days with full tracking and 100% transport insurance included.
Is this product brand-new and covered by an official warranty?
Yes! Every unit sold by Power Elektronik is 100% brand-new in factory-sealed original packaging and includes a full 2-year warranty backed by our specialist technical team in Hamburg.
What is your return and refund policy?
We offer a 30-day money-back guarantee from the date of delivery. If you are not completely satisfied, contact us at contact@powerelektronik.shop for a prepaid return label and full refund within 5 business days.
Which payment methods are accepted at checkout?
We accept PayPal, Visa, Mastercard, Klarna, Apple Pay, Google Pay, and SEPA bank transfer — all protected by 256-bit SSL encryption.
Official EcoFlow Product Overview & Delivery Details
- Model: RIVER 3 Max (RIVER 3 Plus + Extra Battery 300)
- Manufacturer / Brand: EcoFlow
- SKU: EFRIVER3Max-US
- Condition: Brand New in Factory-Sealed Original Box
- Shipping: Free Insured Express Delivery (3–6 Business Days)
- Warranty & Returns: 2-Year Official Warranty + 30-Day Money-Back Guarantee
Daniel K. (verified owner) –
Incredible build quality and pure sine wave output. I tested the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) with heavy household appliances and workshop tools and it handled the load without breaking a sweat. Unbeatable price at Power Elektronik!
Marcus V. (verified owner) –
Ordered the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) during the 50% off promotion and could not be happier. Arrived in 4 days in factory-sealed EcoFlow packaging. Charges super fast via AC and solar, and the EcoFlow app connects via Bluetooth/Wi-Fi effortlessly.
Christian B. (verified owner) –
Plug-and-play setup right out of the box. We use the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) both for emergency home backup and in our campervan. Zero issues and rock-solid voltage stability.
Elena R. (verified owner) –
Very solid performance and super clear LCD display on the RIVER 3 Max (RIVER 3 Plus + Extra Battery 300). Packaging was double-boxed and reinforced. Delivery took 4 business days. Highly recommended!
Thomas H. (verified owner) –
Genuine EcoFlow unit with full 2-year warranty registration. Fast insured shipping with tracking from start to finish. At 50% off retail, this RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) is an absolute steal.