1. Rhagymadrodd
Thank you for choosing the EF ECOFLOW DELTA Max (1600) Portable Power Station. This manual provides essential information for the safe and efficient use of your device. The DELTA Max (1600) is designed to provide reliable power for various applications, including home backup, outdoor activities, and emergency situations. Please read this manual thoroughly before operating the product and retain it for future reference.
2. Gwybodaeth Diogelwch
Always follow basic safety precautions when using electrical products to reduce the risk of fire, electric shock, and personal injury. Failure to follow these instructions may result in damage to the product, property, or serious injury.
- Peidiwch â dadosod, atgyweirio nac addasu'r uned na'r batri.
- Peidiwch â gosod yr uned ger ffynonellau gwres nac yng ngolau haul uniongyrchol.
- Do not use the unit in wet environments or near flammable materials.
- Sicrhewch awyru digonol yn ystod y defnydd a'r gwefru.
- Cadwch yr uned i ffwrdd oddi wrth blant ac anifeiliaid anwes.
- Use only official EF ECOFLOW accessories and charging cables.
- Mewn achos o dân, defnyddiwch ddiffoddwr tân powdr sych.
- Avoid dropping, heavy impacts, or strong vibrations to the unit.
- Peidiwch â mewnosod gwrthrychau tramor i'r porthladdoedd na'r agoriadau.
The advanced Battery Management System (BMS) monitors and protects the product in real-time, enhancing reliability and safety.
3. Cynnwys Pecyn
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact EF ECOFLOW support.
- 1x DELTA Max (1600) Portable Power Station
- Cebl Codi Tâl 1x AC
- 1x Cebl Codi Tâl
- 1x Solar Charging Cable
- 1x DC5521 to DC5525 Cable
- Llawlyfr Defnyddiwr 1x
4. Cynnyrch Drosview
4.1 Unit Diagram

This image displays the EF ECOFLOW DELTA Max (1600) Portable Power Station, highlighting its compact design, integrated handle, and the front control panel with an LCD screen and various output ports.
4.2 Ports and Outlets

This diagram illustrates the various input and output ports available on the DELTA Max (1600), including AC outlets, USB ports, and DC outputs, indicating its capability to power multiple devices simultaneously.
- Allfeydd AC: 6 x 2000W (5000W Surge)
- Porthladdoedd USB-A: 2 x Standard USB-A
- Porthladdoedd Gwefru Cyflym USB-A: 2 x 18W Fast Charge USB-A
- Porthladdoedd USB-C: 2 x 100W USB-C
- Allfa Pŵer Car: 1 x 12.6V/10A
- Allbwn DC5521: 2 x 12.6V/3A
5. Gosod
5.1 Tâl Cychwynnol
Before first use, fully charge your DELTA Max (1600) to 100%. This ensures optimal battery performance and calibration. Connect the AC charging cable to a wall outlet and then to the AC input port on the DELTA Max. The LCD screen will indicate the charging status.
6. Cyfarwyddiadau Gweithredu
6.1 Troi Ymlaen/Diffodd
To turn on the DELTA Max, press and hold the main power button for 3 seconds. The LCD screen will illuminate. To turn off, press and hold the main power button again for 3 seconds until the screen turns off.
Arddangosfa 6.2 LCD
The LCD display provides real-time information on battery level, input/output power, remaining charge/discharge time, and warning indicators. Familiarize yourself with the icons and readings for effective monitoring.
6.3 Charging the DELTA Max

This image demonstrates the versatility of the DELTA Max (1600) by showing four distinct charging methods: AC wall outlet, connection to a Smart Generator, solar panels, and a 12V car outlet.
6.3.1 AC Codi Tâl

This image illustrates the DELTA Max (1600) being charged from a standard AC wall outlet, emphasizing its rapid charging capability, reaching 80% in approximately 1 hour.
Connect the AC charging cable to a standard wall outlet. The DELTA Max features X-Stream technology, allowing it to charge from 0-80% in approximately 1 hour and 0-100% in 1.6 hours.
6.3.2 Codi Tâl Solar

This image shows the DELTA Max (1600) connected to multiple 160W portable solar panels, demonstrating its solar charging capability with an estimated full charge time of 3.4-6.8 hours.
Connect compatible solar panels (up to 800W max) using the solar charging cable. Ensure panels are placed in direct sunlight for optimal charging. The integrated MPPT controller optimizes solar input.
6.3.3 Codi Tâl am Geir
Connect the car charging cable to your vehicle's 12V cigarette lighter port and to the DELTA Max. This method is suitable for charging on the go, though it is slower than AC or solar charging.
6.3.4 Dual Charging

This image depicts the DELTA Max (1600) undergoing rapid dual charging outdoors, utilizing both solar panels and an EcoFlow Smart Generator to achieve a full charge in approximately 1.6 hours.
Combine AC charging with the EcoFlow Smart Generator, or solar charging with the Smart Generator, for faster recharge times, especially useful in outdoor or emergency scenarios.
6.4 Discharging the DELTA Max
To use the power station, ensure it is turned on. Press the respective AC, DC, or USB power buttons to activate the desired output ports. The LCD screen will show the output wattage.
6.5 X-Boost Feature

This image demonstrates the DELTA Max (1600) powering common household appliances such as a refrigerator, coffee maker, microwave, air conditioner, and electric heater, showcasing its X-Boost technology.
The X-Boost mode allows the DELTA Max to power devices up to 2800W by lowering the voltage and current, preventing overload. This feature enables compatibility with a wider range of appliances, including those with higher wattage gofynion.
6.6 Capasiti Ehangadwy

This image shows two DELTA Max units connected, illustrating the expandable capacity feature that allows users to increase their power storage for extended home backup or emergency use.
The DELTA Max (1600) can be expanded from its base 1612Wh capacity up to 5644Wh by connecting additional DELTA Max Smart Extra Batteries. This provides extended power for longer durations.
Ap EcoFlow 6.7

This image highlights the smart monitoring capabilities of the EcoFlow app, allowing users to track input/output power and battery status from their phone, alongside a visual representation of the unit's internal safety features.
Download the EcoFlow app to monitor and control your DELTA Max remotely. The app provides real-time power consumption data, charging status, and allows for firmware updates and settings adjustments.
7. cynnal
Proper maintenance ensures the longevity and optimal performance of your DELTA Max (1600).
- Storio: Store the unit in a dry, well-ventilated area, away from direct sunlight and extreme temperatures. For long-term storage, discharge the battery to 30% and recharge to 60% every 3 months.
- Glanhau: Use a dry, soft cloth to clean the exterior of the unit. Do not use harsh chemicals or immerse the unit in water.
- Gofal Batri: Avoid fully discharging the battery frequently. It is recommended to keep the battery level above 20% when possible.
8. Datrys Problemau
If you encounter issues with your DELTA Max, refer to the table below for common problems and solutions. If the problem persists, contact customer support.
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r uned yn troi ymlaen | Battery is completely discharged; Power button not held long enough | Charge the unit; Press and hold the power button for 3 seconds |
| Allfeydd AC ddim yn gweithio | AC output not enabled; Overload protection triggered | Press the AC power button; Reduce connected load or check X-Boost setting |
| Gwefru araf trwy solar | Dim digon o olau haul; Paneli heb eu gosod ar yr ongl orau; Paneli budr | Reposition panels for direct sunlight; Clean panels; Check cable connections |
| Uned yn gwneud sŵn anarferol | Cooling fan operating; Internal component issue | Normal operation for cooling; If excessive or persistent, contact support |
9. manylebau

This image presents a detailed table outlining the key specifications of the DELTA Max 1600, such as its 1612Wh capacity, 2000W AC output, various charging inputs, battery chemistry, cycle life, net weight, and physical dimensions.
| Nodwedd | Manylyn |
|---|---|
| Gallu | 1612Wh (Expandable up to 5644Wh) |
| AC Allbwn | 6 outlets, 2000W total (Surge 5000W) |
| Pwer Dyfais (au) Max Cefnogir gan X-Boost | 2800W |
| Mewnbwn Codi Tâl AC | 1600W Max, 15A |
| Mewnbwn Codi Tâl Solar | 800W Max, 11-100V, 13A |
| Cemeg Batri | NCM (Nickel Cobalt Manganese) |
| Bywyd Beicio | 800 o gylchoedd i gapasiti 80%. |
| Pwysau Net | Tua. 46 pwys (20.9 kg) |
| Dimensiynau Cynnyrch | 19.6"H x 9.5"L x 12"U (49.8 x 24.1 x 30.5 cm) |

This image provides a visual representation of the physical dimensions of the DELTA Max (1600), indicating its length (19.6"), width (9.5"), and height (12").
10. Gwarant a Chefnogaeth
EF ECOFLOW products come with a limited warranty. For detailed warranty terms and conditions, please refer to the official EF ECOFLOW website or the warranty card included with your product. For technical support, troubleshooting assistance, or service inquiries, please contact EF ECOFLOW customer service through their official channels.
Websafle: www.ecoflow.com
E-bost: cefnogaeth@ecoflow.com