EcoFlow DELTA 2 Max Smart Extra Battery
EcoFlow DELTA 2 Max Smart Extra Battery

Authorized EcoFlow Dealer
Manufacturer's Warranty Included
Why Choose Power Depot USA?
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EcoFlow DELTA 2 Max Smart Extra Battery
Triple Your Power Capacity for Extended Off-Grid Freedom
Need Help Configuring Your Power System?
Our power solution experts are ready to create a customized solution for your specific needs!
Phone/Text: +1 (888) 639-2241
Email: support@powerdepotusa.com
Live Chat: Available with 30-second response time
Double the runtime of your EcoFlow DELTA 2 Max Portable Power Station with this powerful add-on battery. Simply plug it into any DELTA 2 Max to instantly expand your capacity to 4096Wh. Need even more power? Add up to two DELTA 2 Max Extra Battery units for a massive total capacity of 6144Wh, giving you days of reliable backup power for all your essential devices and appliances.
Add 2048Wh Capacity
Instantly double your power storage with each extra battery
3000+ Cycle Lifespan
Premium LFP battery chemistry ensures 10+ years of reliable service
Synchronized Operation
Charges and discharges in perfect unison with your DELTA 2 Max
Key Features & Benefits
Convenient Recharging
The DELTA 2 Max and its Extra Battery charge and discharge in perfect synchronization. Whether you're recharging from solar panels, AC outlets, a vehicle, or the Dual Fuel Smart Generator, the DELTA 2 Max Extra Battery will recharge alongside your main unit, ensuring both are always ready when you need them.
Independent Operation in Emergencies
For maximum versatility in emergency situations, the Extra Battery can recharge directly from EcoFlow's Smart Generator without requiring the DELTA 2 Max base unit. This flexibility gives you more recharging options to adapt to any situation, ensuring you're never without power when it matters most.
Comprehensive Monitoring
The built-in LCD screen provides all essential information at a glance, including battery percentage, time until full charge, remaining runtime, and more. For remote monitoring, check your battery's status from anywhere using the intuitive EcoFlow app on your smartphone or tablet.
Practical Applications
Extended Home Backup
Keep critical home appliances and devices running for days during power outages, ensuring your family's comfort and safety.
Off-Grid Adventures
Power camping equipment, outdoor cooking appliances, and entertainment devices for extended trips into remote locations.
Mobile Workstations
Create a reliable power source for remote job sites, creative projects, or mobile businesses that require consistent electricity.
Medical Device Backup
Provide peace of mind for those who rely on powered medical equipment, ensuring extended operation during emergencies.
What's Included
- ✓ 1 x EcoFlow DELTA 2 Max Smart Extra Battery
- ✓ 1 x EcoFlow DELTA 2 Max Extra Battery Cable
- ✓ 1 x User Manual
- ✓ 1 x Warranty Card
Technical Specifications
General Specifications |
|
Weight | Approximately 19 kg (42 lb) |
Dimensions | 464 × 235 × 283 mm | 18 × 9 × 11 in |
Capacity | 2,048Wh |
Extra Battery Port Input | 51.2V 2,000W Max (X-Stream and solar dual charging) |
Extra Battery Port Output | 51.2V 3,200W Max |
Battery Type | LFP (Lithium Iron Phosphate) |
Cycle Life | 3,000 cycles to 80%+ capacity |
Protection Features | Over Voltage Protection Overload Protection Over Temperature Protection Short Circuit Protection Low Temperature Protection Low Voltage Protection Overcurrent Protection |
Operating Temperature | Optimal: 20°C–30°C (68°F–86°F) Discharging: -10°C–45°C (14°F–113°F) Charging: 0°C–45°C (32°F–131°F) |
Industry-Leading 5-Year Warranty
Like all EcoFlow premium products, the DELTA 2 Max Smart Extra Battery comes with an exceptional 5-year warranty, giving you complete peace of mind for years to come.
View EcoFlow DELTA 2 Max Smart Extra Battery Manual
Why Choose Power Depot USA for Your DELTA 2 Max Smart Extra Battery?
- ✓ Price Beat Guarantee - We'll beat any authorized dealer's price
- ✓ Expert Support - Our team has 10+ years of power solutions experience
- ✓ Fast Response - 30-second live chat response time
- ✓ Free Shipping - On all orders within the continental United States
- ✓ No Tax - Excluding IL residents
- ✓ Financing Available - Flexible payment options through Shop Pay
- ✓ Authorized Dealer - Genuine products with full manufacturer warranty
Questions? Our power solution experts are ready to help:
Phone: +1 (888) 639-2241 | Email: support@powerdepotusa.com | Live Chat: Available with 30-second response time
Shipping & Delivery
Overview
At Power Depot USA, we strive to provide clear and reliable shipping services for all customers. This policy outlines our shipping process, delivery timeframes, and related information.
Shipping Coverage
- We provide shipping to addresses within the continental United States only
- Free standard shipping is included with all orders
- We do not currently offer shipping to Alaska, Hawaii, U.S. territories, or international destinations
Order Processing
- Orders are processed within 1-2 business days
- Orders placed before 5 PM EST on business days are processed the same day
- Orders placed after 5 PM EST or on weekends/holidays are processed the next business day
- Verification: High-value orders may require additional verification for your security
- Processing begins once payment is fully verified and approved
Delivery Estimates
- Standard Shipping: 3-5 business days transit time
- Total Estimated Delivery Time: 4-7 business days from purchase date
- Shipping timeframes are estimates and not guaranteed
Order Tracking
- You will receive an order confirmation email immediately after placing your order
- Tracking information will be emailed within 24 hours of shipment
- You can track your order status through our Order Tracking page on our website
- For tracking assistance, contact our customer service team
Shipping Methods
Standard Shipping (Free on all orders)
- Estimated delivery: 3-5 business days
- Tracking provided via email
Freight Shipping (Large Equipment)
- Required for generators, large solar arrays, and bulky power equipment
- Estimated delivery: 7-10 business days
- Pre-delivery call scheduled 24-48 hours before arrival
- Curbside delivery is standard; additional services available for a fee
Special Shipping Considerations
Inventory & Fulfillment
Power Depot USA operates as an authorized dealer working directly with manufacturers and authorized suppliers. Your order may ship from:
- Our warehouse in Buffalo, New York
- Directly from manufacturer facilities
- Authorized distribution centers
Shipping Delays
Potential causes for shipping delays include:
- Weather events
- Carrier service disruptions
- High seasonal demand
- Product availability from manufacturers
- Address verification issues
We will communicate any significant delays via email and provide updated delivery estimates.
Address Changes
If you need to change your delivery address after order placement:
- Contact our customer service team immediately
- Address changes may cause shipping delays
- Any additional fees from carriers due to address changes will be the customer's responsibility
- Address changes cannot be guaranteed once an order has shipped
Delivery Requirements
- Accuracy: Please ensure your shipping address is complete and accurate
- Business Deliveries: Indicate if delivery is to a business with limited receiving hours
- Restricted Areas: Some carriers cannot deliver to P.O. boxes or restricted access communities
Receiving Your Order
Delivery Inspection
- Inspect all packages immediately upon delivery
- Note any visible damage on the delivery receipt
- Count all packages to ensure complete delivery
- Do not refuse delivery unless extensive obvious damage is present
Shipping Issues
If you experience any of the following issues, please contact us promptly:
- Missing tracking information
- Package shows as delivered but was not received
- Damaged packaging upon arrival
- Significant shipping delays
Shipping Fees for Additional Services
- Standard Shipping: Free on all orders
- Freight Shipping: Included for qualifying large items
-
Additional Services:
- Lift gate service: $75 (when required)
- Inside delivery: $125 (when available)
- White glove delivery & installation: Available for select products, quoted upon request
Contact Information
Business Name: Power Depot USA
Address: 618 S Burno Dr, Palatine, IL 60067, United States
Email: support@powerdepotusa.com
Phone: +1 (888) 639-2241
Live Chat: Available with 30-second response time
Business Hours: Monday to Friday, 7 AM–5 PM EST