# write Write settings to a Bluetti device. ```bash voltkeeper write AA:BB:CC:DD:EE:FF ac_output on voltkeeper write AA:BB:CC:DD:EE:FF dc_output off voltkeeper write AA:BB:CC:DD:EE:FF charging_mode turbo ``` ## Switch fields Values are `on` or `off`: - `ac_output` - `dc_output` - `power_off` - `dc_eco_mode` - `ac_eco_mode` - `power_lifting` - `alarm_sound` ## Enum fields - `charging_mode` — `standard`, `turbo`, or `silent` ## Numeric fields - `battery_range_start` - `battery_range_end` - `lcd_timeout` - `led_color` - `soc_low` - `soc_high` - `inv_voltage` - `inv_freq` - `working_mode` Use `voltkeeper status --verbose` to see current values of all writable fields.