GN-VPM200 is mainly used for secondary sealing of small size pouch lithium battery after battery formation, Equipment can be put into glove box operation, Pouch piercing needle and heatable sealing blade are built into the vacuum chamber. With the advanced pouch auto piercing feature and electrolyte recycle chamber,mostly make the sealing chamber no corrosion by electrolyte, the battery's final sealing (de-gassing and pouch resealing) can be automatically completed under vacuum condition.