Ultrasonic Plastic Welding Machine for Power Bank Enclosure

The Ultrasonic plastic welding machine from altrAsonix is designed specifically for power bank enclosure manufacturing. Power banks require a strong outer casing to protect the internal battery, PCB and charging modules. Unlike glue or screws, ultrasonic welding creates a permanent and tamper-proof joint, making it the preferred method used by major electronic manufacturers. The machine operates at 20 kHz frequency with 2000W output, making it ideal for welding medium-sized ABS and PC enclosures such as power bank shells. It ensures uniform sealing, clean finishing and high structural integrity while preventing damage to internal lithium-ion cells. Manufacturers prefer ultrasonic welding for power bank casings because it reduces assembly time, improves durability and eliminates chemical adhesives. This machine supports all types of power bank models including slim power banks, high-capacity models, Type-C power banks, wireless power bank shells and portable fast-charging device enclosures. It is widely used by electronics manufacturers, OEM/ODM power bank factories, gadget assemblers and portable charger refurbishment units. With its strong welding ability, consistent cycle time and easy operation, it greatly enhances production speed while maintaining product quality. Key Features Digital 20 kHz ultrasonic welding system Suitable for ABS and PC power bank casings Safe for lithium battery and PCB inside Strong and clean joint strength Ideal for high-volume production lines Glue-free, screw-free permanent bonding Technical Specifications ParameterDetails Model UPM-20K-2000W-DIGITAL Frequency 20 kHz Power Output 2000W Welding Modes Time / Manual / Energy Input Voltage AC 220V Weight 90 kg Material Compatibility ABS: Compatible with ABS, PC, PS PC: Compatible with PC, ABS, PET PP: Compatible with PP, HDPE PET: Compatible with PET, PC Applications Power bank body welding Portable charger shell sealing Wireless power bank casing assembly USB port housing alignment Small electronics plastic enclosure joining