*Increase the capacity of DELTA 3 Plus/DELTA 3 with an extra 1024Wh. *Get 10 years of daily use until it hits 80% of its original capacity. Embrace 3000+ charging cycles enabled by the LFP battery chemistry. *Plug-and-play system. Use the EcoFlow app to…
Original price was: $499.$194Current price is: $194.
Save 61%Availability: 30 in stock
Questions about this product? Email us (contact@electrococina.shop) or call +34 944 121 228
Engineered for maximum reliability, extreme durability, and clean portable power
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.
Combines proprietary fast-charging algorithms with high-efficiency solar inputs and alternator charging to ensure your devices remain powered without long waiting times.
Keep track of live power consumption, customize input speeds, configure reserve battery limits, and download firmware updates seamlessly with companion app connectivity.
Every unit ships factory-sealed in heavy-duty reinforced packaging from our fulfillment center:
| Model Name | EcoFlow DELTA 3 Series Smart Extra Battery |
|---|---|
| Merchant SKU | delta-3-series-smart-extra-battery |
| 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) |
Expand your portable power station with matching high-efficiency companion gear
Based on 3 verified buyer reviews
Outstanding build quality and performance. Tested the EcoFlow DELTA 3 Series Smart Extra Battery under heavy load and it exceeded expectations. Unbeatable price and fast shipping!
Best investment for home backup and off-grid power! The EcoFlow DELTA 3 Series Smart Extra Battery is super reliable, easy to set up, and customer support answered my questions within an hour.
Genuine factory-sealed unit with full 2-year warranty. Fast insured delivery with tracking from start to finish. Highly recommend the EcoFlow DELTA 3 Series Smart Extra Battery!
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.
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.
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.
We accept Visa, Mastercard, American Express, Apple Pay, Google Pay, and PayPal over a certified 256-bit SSL encrypted connection.
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 DELTA 3 Series Smart Extra Battery!
Sarah L. (verified owner) –
Best investment for home backup and off-grid power! The EcoFlow DELTA 3 Series Smart Extra Battery is super reliable, easy to set up, and customer support answered my questions within an hour.
Daniel K. (verified owner) –
Outstanding build quality and performance. Tested the EcoFlow DELTA 3 Series Smart Extra Battery under heavy load and it exceeded expectations. Unbeatable price and fast shipping!