Industry Background

Rehabilitation training devices have become an essential part of modern healthcare,
supporting recovery from injuries, neurological disorders, postoperative rehabilitation,
and long-term mobility impairments.

As rehabilitation equipment becomes increasingly digitalized and portable, devices such as
wearable exoskeletons, powered orthotics, EMS trainers, and smart physiotherapy tools rely
heavily on lightweight, high-performance lithium battery systems.

Key Pain Points in Rehabilitation Devices

• Extremely high reliability requirements to ensure patient safety
• Compact size combined with long operating time
• High discharge demand for motors, EMS, and vibration systems
• Strict certification and medical compliance requirements
• Convenient, durable, and safe charging solutions

Value of Customized Lithium Battery Packs

• Medically reliable and safe power operation
• Lightweight and compact energy density for wearable designs
• High discharge capability for motors and EMS systems
• Long cycle life to reduce maintenance and replacement costs
• Flexible 1S / 2S / 3S architectures for different rehabilitation devices

Technical Insights

1. Chemistry Selection: NMC cells offer high energy density, while
   
   LiFePO4 batteries
   
   provide enhanced thermal stability and safety for medical use.
2. BMS Protection: Integrated overcurrent, short-circuit protection,
   NTC temperature monitoring, and cell balancing ensure stable operation.
3. Mechanical Design: EVA shock absorption, flame-retardant insulation,
   and strong welding enhance durability and safety.
4. Charging Solutions: USB-C fast charging, magnetic connectors,
   or docking stations improve usability in clinical environments.

Typical Applications

• Wearable rehabilitation exoskeletons
• Portable EMS rehabilitation tools
• Smart resistance training devices
• Physiotherapy vibration equipment
• Hand and arm rehabilitation robots
• Lower-limb mobility support devices

Conclusion

As rehabilitation technology becomes more intelligent and portable, the reliability of
its power system becomes a decisive factor. PKNERGY’s customized lithium battery packs
deliver the energy density, stability, and advanced protection required for
next-generation rehabilitation training devices.