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Discharge the unit to 0%, then charge to 100% until there is no input.
You can connect the power station to the app in three ways—Direct Connection mode, IOT mode, and Bluetooth (only for DELTA Pro). Please check the link below for our app user manual. Connection modes instructions are provided in detail on pages 4-9. APP user manual : (https://cdn.shopify.com/s/files/1/1996/9707/files/APP_user_manual_updated1103.pdf?v=1635933130) In addition, we have a video tutorial on this topic here: https://youtu.be/9oUPsj8FlTk
DELTA Max can dual fast charge up to 3000W, as long as an Extra Battery is connected.
1. If the temperature is too high, turn off the unit or stop the load, this will let it cool down. 2. If the temperature is too low for charging, place the unit somewhere warmer or let electrical appliances discharge it for a while. 3. The charging power of the unit is related to the battery level. When the unit starts charging from 0% or is about to be fully charged, it is normal that the charging power is low.
There are 224 cylindrical lithium-ion 18650 NCM batteries used in DELTA Max, in a configuration of 16 parallel and 14 in series.