Executes precision thermal sealing of ultra-small pouch formats to enclose electrolyte and maintain package integrity in miniature cells.
Why this machine: Ultra-small pouch cells have minimal thermal and mechanical tolerance. This system applies precisely controlled heat and pressure profiles to prevent aluminum-laminate film deformation, seal shrinkage, or edge warping during primary sealing.
Ideal User: TWS earbud, wearable, and IoT battery suppliers.
When to choose: When cell size is extremely small and sealing consistency defines the final product yield.
Related Equipment: Electrolyte filling machine (Bluetooth) · Vacuum sealing machine · OCV tester
These features manage small-format pouch edge sealing under stable heat-pressure coordination.
This machine is designed for sealing small-format pouch cells used in Bluetooth devices.
Its core functions include:
| Cell spec. (L) | 15-60mm |
| Cell spec. (W) | 8-30mm |
| Cell spec. (T) | 2.5-10mm |
| Production efficiency | 20-24ppm |
| Sealing thickness accuracy | ±0.01mm |
| Width of Unsealed area | 0.5-1mm |
| First-pass yield (FPY) | ≥99.5% |
| Equipment utilization rate | ≥95% |
| Power | 20KW |
| Weight | 8T |
| Equipment dimension (reference) | 7500×2200×2400mm (LxWxH) |
This section describes the position of this sealing system in small-format pouch cell finishing.
After electrolyte filling, pouch edges are thermally sealed to complete the enclosure of miniature cells.
Packaging focuses on sealing heads and thermal control components.
Sealing consistency is delivered by the patented fully automatic pouch-type Bluetooth battery packaging equipment, developed specifically for ultra-compact soft-pack cells.
The equipment integrates controlled heating, pressure application, and edge forming within a dedicated sealing station, ensuring stable bonding of thin aluminum laminate used in miniature battery formats.
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