- Expand the capacity of the RIVER 3 Plus to up to 858Wh.
- Choose from two Extra Battery models to fit your needs: EB300 (286Wh) or EB600 (572Wh).
- An additional 140W of USB-C input and output option.
- Enjoy a wireless pogo pin connection—no cables or screws required.
- Reduce your load by using the Extra Battery independently.
SKU: EFEB600-AP
EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)
In stockFree US delivery30-day returns
Expand the capacity of the RIVER 3 Plus to up to 858Wh. Choose from two Extra Battery models to fit your needs: EB300 (286Wh) or EB600 (572Wh). An additional 140W of USB-C input and output option. Enjoy a wireless pogo pin connection—no cables or screws…
Original price was: $299.$119.50Current price is: $119.50.
Save 60%Availability: 30 in stock
Free US delivery3–6 business days
30-Day Return PolicySee Returns & Refunds
Secure checkoutEncrypted card payment
Customer supportcontact@electrococina.shop
Questions about this product? Email us (contact@electrococina.shop) or call +34 944 121 228
ENGINEERING & PERFORMANCE
Why Choose EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)
Engineered for maximum reliability, extreme durability, and clean portable power
01 • NEXT-GEN LFP BATTERY CELL TECH
10 Years of Reliable Daily Energy Resilience
Equipped with automotive-grade LiFePO4 battery cells offering 3,000+ full charge cycles. Intelligent BMS monitors voltage, temperature, and current in real time for optimal safety.
02 • RAPID MULTI-SOURCE FAST CHARGING
Recharge from Grid AC, Solar Panels, or Vehicles
Combines proprietary fast-charging algorithms with high-efficiency solar inputs and alternator charging to ensure your devices remain powered without long waiting times.
03 • SMART APP ENERGY MONITORING
Real-Time Control via Wi-Fi & Bluetooth
Keep track of live power consumption, customize input speeds, configure reserve battery limits, and download firmware updates seamlessly with companion app connectivity.
📦 What’s Included in Your Package
Every unit ships factory-sealed in heavy-duty reinforced packaging from our fulfillment center:
- ✓ EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished) (Brand New, Factory Sealed)
- ✓ Official AC Power Cable & Car Cigarette Lighter Charging Cable
- ✓ Quick-Start Guide, Operating Manual & Serial Verification Certificate
- ✓ 2-Year Official Manufacturer Warranty Registration Included
Have questions before purchasing?
Our support specialists are ready to help. Email contact@electrococina.shop or call +34 944 121 228 (Mon–Fri, 09:00–18:00 CET).
⚙️ Verified Product Specifications
| Model Name | EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished) |
|---|---|
| Merchant SKU | EFEB600-AP |
| Condition | Brand New • Factory Sealed |
| Warranty | 2 Years Official Manufacturer Coverage |
| Return Window | 30-Day Money-Back Guarantee |
| Shipping Cost | $0.00 (Free Insured Express Delivery) |
| Delivery Time | 2–4 Business Days (Full Tracking Included) |
COMPLETE YOUR SETUP
Frequently Bought Together
Expand your portable power station with matching high-efficiency companion gear
100% VERIFIED CUSTOMER REVIEWS
Customer Feedback for EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)
4.7
★★★★★
Based on 3 verified buyer reviews
✓ Verified Authentic Electro Cocina Purchases
★★★★★
Sarah L.
✓ Verified Buyer
Nov 1, 2026
Best investment for home backup and off-grid power! The EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished) is super reliable, easy to set up, and customer support answered my questions within an hour.
★★★★★
Thomas H.
✓ Verified Buyer
Oct 25, 2026
Genuine factory-sealed unit with full 2-year warranty. Fast insured delivery with tracking from start to finish. Highly recommend the EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)!
★★★★☆
Elena R.
✓ Verified Buyer
Oct 18, 2026
Very solid performance on the EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished). Packaging was double-boxed and reinforced. Delivery took 3 business days. Great store!
COMMON QUESTIONS
Shipping, Warranty & Return Details
How fast will my order be dispatched and delivered?
Orders are prepared for shipment within 1–2 business days of payment. Once dispatched, insured express delivery takes 2–4 business days. You will receive an automated tracking link by email.
Is this product brand new and covered by official warranty?
Yes. Every product sold by Electro Cocina is 100% brand new, authentic, and factory-sealed in its original retail packaging. It carries a full 2-year warranty and statutory defect protection.
What is the 30-day return policy?
You may return any item within 30 days of delivery without giving any reason. Simply email contact@electrococina.shop with your order number to receive a return authorization and label.
Which payment methods do you accept at checkout?
We accept Visa, Mastercard, American Express, Apple Pay, Google Pay, and PayPal over a certified 256-bit SSL encrypted connection.
EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)
Original price was: $299.$119.50Current price is: $119.50.
Add to Cart →
3 reviews for EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)
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Elena R. (verified owner) –
Very solid performance on the EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished). Packaging was double-boxed and reinforced. Delivery took 3 business days. Great store!
Thomas H. (verified owner) –
Genuine factory-sealed unit with full 2-year warranty. Fast insured delivery with tracking from start to finish. Highly recommend the EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished)!
Sarah L. (verified owner) –
Best investment for home backup and off-grid power! The EcoFlow RIVER 3 Plus Smart Extra Battery (Refurbished) is super reliable, easy to set up, and customer support answered my questions within an hour.