To charge the Xiaomi Electric Scooter 5 Max, please refer to the following steps: 1. Lift up the rubber flap; 2. Connect the battery charger to the charging port; 3. Disconnect the battery charger from the charging port when charging is completed; 4. Put back the rubber flap. Note: The Xiaomi Electric Scooter 5 Max uses a lithium-ion battery, which can store more energy per unit of weight and go through hundreds to thousands of charge-discharge cycles before the capacity significantly degrades, making it ideal for long-term use.