Removes residual gas and completes final vacuum sealing of miniature pouch cells to stabilize internal chemistry.
Why this machine: Micro-capacity pouch cells are extremely sensitive to pressure changes and film deformation. This machine applies finely controlled low-vacuum profiles to remove residual gas without collapsing the pouch or damaging thin aluminum-laminate films.
Ideal User: Manufacturers of TWS earbuds, smartwatches, medical wearables, and compact IoT batteries where package integrity directly affects yield.
When to choose: When sealing ultra-thin pouch cells that require gentle degassing and precise pressure control rather than deep vacuum.
Related Equipment: Bluetooth electrolyte filling machine · Primary sealing machine · OCV testing machine
These features remove residual gases while preserving pouch geometry in ultra-compact cell formats.
This machine is designed for vacuum sealing of small-format pouch battery cells.
Its core functions include:
| Cell spec. (L) | 15-60mm |
| Cell spec. (W) | 8-30mm |
| Cell spec. (T) | 2.5-10mm |
| Production efficiency | 20ppm |
| Sealing thickness accuracy | ±0.008mm |
| Width of Unsealed area | 0.5-1mm |
| First-pass yield (FPY) | ≥99.5% |
| Equipment utilization rate | ≥95% |
| Power | 20KW |
| Weight | 6T |
| Equipment dimension (reference) | 7500×1700×2400mm (LxWxH) |
This section places vacuum sealing in the final conditioning stage of compact pouch cells.
Air and residual gases are extracted before the pouch is hermetically sealed.
Packaging focuses on vacuum chambers and sealing heads.
Final enclosure is achieved using the patented fully automatic vacuum sealing equipment for pouch-type Bluetooth lithium batteries, designed to complete vacuumizing and sealing within a dedicated chamber.
The controlled vacuum environment helps remove residual gas before closure, supporting dimensional stability in thin, small-capacity cells.
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