1. Introduction
The EF ECOFLOW DELTA 3 Plus is a versatile portable power station designed to provide reliable power for various applications, including home backup, camping, and RV use. Featuring a durable 1024Wh LiFePO4 (LFP) battery, it offers an 1800W AC output and 140W USB-C output, with flexible charging options and smart energy management capabilities. This manual provides essential information for the safe and efficient operation of your DELTA 3 Plus.
2. What's in the Box
- EcoFlow DELTA 3 Plus Power Station
- AC Charging Cable
- Manuals
3. Key Features
- 5 Fast Charging Options: With 1500W AC input, it charges to 80% in 40 minutes. Solar charging reaches 80% in 1 hour, 100% in 70 minutes. The 800W Alternator charges to 80% in 1 hour, 100% in 1.3 hours. Using EcoFlow smart generator, it charges 80% in 40 minutes and fully in 56 minutes. Hybrid charging (AC + solar) also achieves the same speed.
- Durable and Reliable for 10 Years: Powered by LiFePO4 (LFP) cells, with 4000 cycles to 80%, offering 25% more durability than industry standards. Enjoy a 10-year lifespan for daily use. The IP65 battery pack provides triple protection: splash-proof, dust-proof, and oil-proof.
- Flexible Expansion up to 5kWh: The DELTA 3 Series seamlessly integrates with EcoFlow's ecosystem, enabling the addition of DELTA 3, DELTA Pro 3, or DELTA 2 Max battery packs. Expand your power potential up to a robust 5kWh.
- Smart Energy Management System: The app offers 12-hour storm and outage alerts, low battery/storage reminders, and a usage dashboard. Customize charge speed, power schedules, and enable power-saving mode. With the upgraded Time-of-Use (TOU) mode, automatically calculate savings and optimize charge/discharge times.
- 10 ms Switch-Over UPS Protection: The DELTA 3 Plus functions as a true UPS with a 10 ms switch-over time, ideal for NAS, servers, POS systems, and critical backups, ensuring no data loss from unexpected shutdowns.
- Power 13 Appliances Simultaneously: With abundant interfaces, it powers 13 appliances at once, perfect for emergencies. X-Boost supports resistive appliances with power demands over 2200W continuously.
4. Setup
Before first use, ensure your DELTA 3 Plus is fully charged. Connect the provided AC Charging Cable to the power station and a wall outlet. The display will indicate charging status. For solar charging, connect compatible solar panels (sold separately) to the designated solar input ports. Ensure all connections are secure.
5. Operating Instructions
To power on the DELTA 3 Plus, press and hold the main Power button. The LCD screen will illuminate, displaying battery level, input/output wattage, and remaining runtime. To activate AC outlets, press the "AC ON/OFF" button. For USB ports, press the "USB ON/OFF" button. Connect your devices to the appropriate ports. The X-Boost feature automatically handles high-wattage resistive appliances up to 2200W.
For UPS functionality, connect your critical devices to the DELTA 3 Plus AC outlets and plug the power station into a wall outlet. In case of a power outage, the DELTA 3 Plus will automatically switch to battery power within 10ms, ensuring uninterrupted operation for connected devices.
6. Charging Options
- AC Charging: Connect the AC Charging Cable to a wall outlet. The DELTA 3 Plus supports 1500W AC input, charging to 80% in 40 minutes and fully in 56 minutes.
- Solar Charging: Connect compatible solar panels to the solar input ports. The unit can charge to 80% in 1 hour and 100% in 70 minutes with optimal solar input.
- Car Charging: Use the 800W Alternator charging option to charge to 80% in 1 hour and 100% in 1.3 hours.
- EcoFlow Smart Generator: Connect an EcoFlow Smart Generator for rapid charging, reaching 80% in 40 minutes and full charge in 56 minutes.
- Hybrid Charging: Combine AC and solar charging for the fastest possible recharge speeds.
7. Smart Energy Management
Download the EcoFlow app to access advanced energy management features. The app provides 12-hour storm and outage alerts, low battery/storage reminders, and a comprehensive usage dashboard. You can customize charge speed, set power schedules, and enable power-saving mode. The upgraded Time-of-Use (TOU) mode helps optimize charge/discharge times for potential cost savings.
8. Expansion Options
The DELTA 3 Plus is designed for flexible capacity expansion. It can be integrated with additional DELTA 3, DELTA Pro 3, or DELTA 2 Max battery packs (sold separately) to expand its total power potential up to 5kWh, providing extended runtime for your needs.
9. Maintenance
The DELTA 3 Plus features a durable LiFePO4 (LFP) battery designed for 4000 cycles to 80% capacity, ensuring a 10-year lifespan with daily use. The IP65 battery pack is splash-proof, dust-proof, and oil-proof, offering enhanced protection. To maintain optimal performance, store the unit in a cool, dry place away from direct sunlight. Recharge the unit at least once every 3-6 months if not in regular use to preserve battery health.
10. Troubleshooting
If the power station is not functioning as expected, please check the following:
- Ensure the unit is powered on and has sufficient battery charge.
- Verify all cables and connections are secure and correctly inserted.
- Check the LCD display for any error codes or warning indicators.
- If a device is not powering on, ensure its wattage does not exceed the DELTA 3 Plus's output capacity (1800W, or 2200W with X-Boost for resistive loads).
- For persistent issues, refer to the detailed troubleshooting section in the included manuals or contact EcoFlow customer support.
11. Specifications
| Attribute | Value |
|---|---|
| Brand | EF ECOFLOW |
| Model Name | DELTA 3 Plus |
| Model Number | EF-DL-H10-4 |
| Battery Capacity | 1024Wh LiFePO4 (LFP) |
| AC Output | 1800W (Pure Sine Wave, 3600W Surge with X-Boost) |
| USB-C Output | 140W |
| Total Power Outlets | 13 |
| AC Input | 1500W Max |
| Solar Input | 1000W Max |
| Car Charging Input | 800W Max |
| UPS Switch-Over Time | 10 ms |
| Battery Lifespan | 4000 cycles to 80% capacity |
| Waterproof & Dustproof Rating | IP65 (Battery Pack) |
| Item Weight | 27 Pounds |
| Item Dimensions L x W x H | 16"L x 8"W x 11"H |
| Color | Black |
| Material Type | ABS |
| GTIN | 842783143259 |
12. Warranty & Support
The EF ECOFLOW DELTA 3 Plus comes with a 5-Year Warranty. For technical support, warranty claims, or any product-related inquiries, please contact EcoFlow Inc. customer service. Refer to the included manuals for contact details or visit the official EcoFlow website.
13. Visual Guides
Product Images
Image: The EF ECOFLOW DELTA 3 Plus Portable Power Station, showcasing its various output ports including AC, USB-A, and USB-C.
Image: The DELTA 3 Plus being charged by solar panels in an outdoor environment, highlighting its solar charging capability.
Image: The DELTA 3 Plus providing backup power to essential home appliances, demonstrating its use during power outages.
Image: A visual representation of the DELTA 3 Plus's expandable energy capacity, showing how it can connect to extra batteries for increased power.
Image: An illustration demonstrating the lightning-fast AC charging capability of the DELTA 3 Plus, showing it charging to full in 56 minutes.
Image: The DELTA 3 Plus providing reliable server backup with its 10ms UPS functionality, protecting data from unexpected shutdowns.
Image: A smartphone screen displaying the EcoFlow app interface for smart energy control, showing features like storm alerts and usage dashboard.
Image: An internal view of the DELTA 3 Plus, highlighting its long-lasting third-gen LiFePO4 battery cells with 4000 cycles to 80% capacity.
Image: A graphic illustrating the IP65 rating of the DELTA 3 Plus battery pack, indicating its waterproof, dustproof, and oil-resistant properties.
Image: A cutaway view of the DELTA 3 Plus, showing the internal components protected by the advanced BMS X-Guard system, offering over 40 protections.
Official Product Videos
Video: Official EcoFlow DELTA 3 Plus product overview, showcasing its features like fast charging, UPS functionality, and expandable capacity.
Video: A demonstration of the EcoFlow DELTA 3 Plus running a mini freezer, highlighting its power output for appliances.
Video: A test of the EcoFlow DELTA 3 Plus powering a microwave and kettle, demonstrating its capability with high-wattage kitchen appliances.
Video: A comparison between the EcoFlow DELTA 3 and DELTA 3 Plus, highlighting key differences and improvements.
Video: A general overview of the EcoFlow DELTA 3 Power Station, showcasing its design and functionality.
Video: A demonstration of the EcoFlow DELTA 3 Plus and River 3 Plus for road trips and outdoor use, highlighting their portability.
Video: A review showcasing the EcoFlow DELTA 3 Plus as a great off-grid mobile office solution.