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1. To prolong the battery life, we recommend that you use and store DELTA in an environment of 20°C to 30°C, away from water, heat, and metal objects. 2. For long-term storage, discharge the product down to 30% and then charge it up to 60%. Continue to follow this procedure every 3 months. Units that are not charged and discharged for more than 6 months will no longer be covered under warranty. 3. For safety reasons, please do not store this product in an environment above 45°C or below -10°C over a long period.
Solar charging input: 400W, 10-65V, DC 10A (Max) Charging Time: 4-8 hours (110W x 4)
The XT60 car charger is a standard outlet. Use the included 1.5m car charging cable to charge.
The types of batteries are: Cylindrical 18650, NCM batteries, 10 parallel and 14 series, 140 batteries
1. The solar panel should be placed outdoors. Placing indoors will affect functionality. 2. Check for errors on the LCD Screen and follow the prompt to solve the problem if one exists. 3. Check the connection by removing and reconnecting the cable. 4. Only solar panels with a 11-65V input and DC 10A max current can be connected in parallel. Check if the voltage and current of the connected solar panels are within the range and whether the positive and negative poles are connected correctly. 5. If using a third-party connection cable, the cable length should not exceed 3m. If it is longer than 3m, change it to one with a diameter of 6.5 mm and a wire diameter of 4 mm². 6. Try charging the unit with a car charger. If it works, the solar panel has a connection issue or other problem. If the car charger doesn’t work either, please record a video and send it to support.eu@ecoflow.com for troubleshooting.