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EcoFlow DELTA 3 or DELTA 3 Plus is compatible with the following extra batteries, which can be purchased according to your required capacity: EcoFlow DELTA 2 EB, DELTA 2 Max EB, DELTA Pro 3 EB, and DELTA 3 EB; EcoFlow DELTA 3 or DELTA 3 Plus is compatible with the following EcoFlow products: Smart Generator 3000 (Dual Fuel), WAVE, WAVE 2, GLACIER, PowerStream, alternator charger, and solar panels.
The DELTA 2 Max Extra Battery is compatible with DELTA Max (2000) and DELTA 2.
1. Store the product away from water, heat sources, and metal objects. 2. To extend the battery life, it is recommended to use or store the product at ambient temperature from 20°C to 30°C. 3. For long-term storage, charge and discharge the product once every 3 months (firstly discharge it to 0%, then fully charge the device, and then discharge it to 60% for long-term storage); products not charged and discharged for more than 6 months will not be covered by warranty. 4. For safety reasons, do not store this product at ambient temperature higher than 45°C or lower than –10°C for a long time. 5. If the product is critically low on power and left unused for a long time, it will enter sleep mode and will need to be recharged before you need to use it again.
1. The charging temperature is too high. If you use high power appliances for a long time, stop using the product until the temperature drops. 2. The charging temperature is too low. Place DELTA 2 Max in a warm environment. 3. Check whether the input meets the specifications. 4. Check whether a charging limit is set. 5. In case of charging failure, try to change the charging method or charging cable.
It is not recommended to switch the frequency. If required, turn on the AC power supply, press and hold the AC output switch for 10 seconds to switch the frequency. (Do not switch the AC output frequency; otherwise, it may cause failure of some appliances.)