Hello, 1. First, connect your V40 to the charger.
2. Then, open the Settings menu and select \"Battery\".
3. On the Battery menu, choose Charge.
4. In the Charging menu, you will see an option \"Charging speed\".
5. Click this option and select \"Slow Charge\".
6. Your V40 will now be charged in slow charge mode.
Note that slow charge mode may take longer to fully charge the battery, but it can protect the battery from overcharging damage. It is recommended to use the slow charge mode when you need to charge for a long time.
V40 is not set to slow charge, 66 watts fast charge and wireless charge