EcoFlow DELTA 2 Max Smart Extra Battery User Manual

Read this user manual carefully before using the product to ensure that you completely understand the product and can correctly use it. After reading this user manual, keep it properly for future reference. Improper use of this product may cause serious injury to yourself or others, or cause product damage and property loss. Once you use this product, it is deemed that you understand, approve and accept all the terms and content in this document. EcoFlow is not liable for any loss caused by the user's failure to use this product in compliance with this user manual.

In compliance with laws and regulations, EcoFlow reserves the right to final interpretation of this document and all documents related to this product. This document is subject to changes (updates, revisions, or termination) without prior notice. Please visit EcoFlow's official website to obtain the latest product information.

General Info

Input Ports

Output Ports

Battery Info

Operating Temperature

1. Do not use the product near a heat source, such as a fire source or a heating furnace.
2. Avoid contact with liquids of any kind. Do not use it in the rain or in high humidity.
3. Do not use around strong static electricity or magnetic fields.
4. Do not disassemble in any way or puncture.
5. Avoid using wires or other metal objects that may result in a short circuit.
6. Do not use third-party components or accessories. Consult official EcoFlow channels if you need to replace any component or accessory.
7. When using the product, please strictly follow the operating environment temperature specified in this user manual. If the temperature is too high, it may result in a fire or explosion; if the temperature is too low, the product performance may be severely reduced, or the product may cease to work.
8. Do not stack any heavy objects on the product.
9. Do not lock the fan forcibly during use or place the product in an unventilated or dusty area.
10. Ensure that the product is not hit, dropped, or heavily vibrated. Securely fasten the product when transporting it to avoid damage. If severely damaged, turn off the power source immediately and discontinue using the product.
11. If you accidentally drop the product into the water during use, please place it in a safe open area, and stay away from it until it is completely dry. The dried product should not be used again, and should be properly disposed of according to the Disposal Guide below. If the product catches fire, EcoFlow recommends using fire extinguishers in the following order: water or water mist, sand, fire blanket, dry powder, and finally a carbon dioxide fire extinguisher.
12. Only clean the ports with a dry cloth.
13. Place on a flat surface to keep the product from falling over. If the product is overturned and severely damaged, turn it off immediately, place the battery in an open area, keep it away from people and combustibles, and dispose of it in accordance with local laws and regulations.
14. Keep out of reach of children and pets.

1. If conditions permit, make sure that the battery is fully discharged before disposing it in a designated battery recycling bin. The product contains batteries with potentially dangerous chemicals, so it is strictly prohibited to dispose of it in ordinary trash cans. For more details, please follow the local laws and regulations on battery recycling and disposal.
2. If the battery cannot be fully discharged due to a product failure, please do not dispose of the battery directly in the battery recycling box. In such a case, you should contact a professional battery recycling company for further processing.
3. Please dispose of over-discharged batteries that cannot be recharged.

• DELTA 2 Max Smart Extra Battery: A rectangular battery unit with an LCD screen on the front, a power button, and various ports.
• DELTA 2 Max Extra Battery Cable: A cable with connectors on both ends, designed to link the extra battery to the main unit.
• User Manual & Warranty Card: Documentation providing instructions and warranty information.

Overview

The EcoFlow DELTA 2 Max Smart Extra Battery features several key components:

1. LCD screen: Displays operational information.
2. Power indicator: Shows the power status.
3. Power button: Used to turn the unit on/off.
4. Extra battery port: Connection point for the main DELTA 2 Max unit.
5. Storage compartment: An internal area for storing accessories or cables.

LCD Screen

The LCD screen provides comprehensive information about the battery's status:

1. Remaining battery percentage: Numeric display of charge level.
2. Battery level indicator: Graphical representation of battery charge.
3. Remaining charging/discharging time: Time until full charge or depletion.
4. Extra Battery indicator: Icon indicating connection to an extra battery.
5. Battery failure warning: ⚠ Symbol for critical errors.
6. High temperature warning: 🌡 Symbol for overheating.
7. Low temperature warning: ❄ Symbol for low temperature.
8. Input power: Numeric display of incoming wattage.
9. Output power: Numeric display of outgoing wattage.
10. Overload warning: ⚠ Symbol for excessive load.

💡 Check "Troubleshooting" for details.

To turn on the product, press the power button. The LCD screen will light up, displaying the battery level indicator. To turn off the product, press and hold the power button.

With DELTA 2 Max

The DELTA 2 Max can be connected to one or two Extra Batteries to meet more extensive power requirements. The connection involves stacking the extra battery unit(s) below the main DELTA 2 Max unit and connecting them via the Extra Battery Cable.

With a Smart Generator

The product can be recharged with a Smart Generator. For detailed instructions, refer to the Smart Generator User Manual. The connection involves linking the Smart Generator to the Extra Battery unit via a cable.

1. Keep the product away from water, heat sources, or metal objects.
2. Store the product in places with temperatures between 20°C to 30°C (68°F to 86°F) to extend its battery life.
3. For long-term storage, discharge the product every three months (firstly discharge it to 0%, then fully recharge it, and lastly discharge it to 60%). The product will not be covered by the warranty if it is not charged or discharged for more than 6 months.
4. For safety, do not use or store the product in places below -10°C (14°F) or above 45°C (113°F) for a long time.
5. If the product is left unused for a long time, it will enter sleep mode. Charge the product before using it again.

1. What battery does the product use?

   It uses a high-quality LFP battery.

2. How do I know if the product is charging?

   When charging, the remaining charging time will be shown on the LCD Screen. The charging indicator icon will rotate, and the remaining battery percentage and input power will be displayed.

3. How do I clean the product?

   Gently wipe it with a dry, soft, clean cloth or paper towel.

4. How do I store the product?

   Before storing, turn off the product and store it in a dry, ventilated place at room temperature. Do not place it near water sources. For long-term storage, discharge and recharge the product every three months to extend its battery life.

5. Can I take the product on a plane?

   No.