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How to use: Cut off the old cell interface, keep the protection board, and use a spot welder to spot tin the new cell.
Precautions:
1: The battery is punctured, bald, and it is not guaranteed after welding (it can be guaranteed for one year without use, and old customers often take long-term guarantees)
2: Do not touch the electric soldering iron to the core body to avoid high temperature burning
3: This product is combustible, do not approach high temperature sources or flames
The installation of mobile phone batteries is complicated. In order to ensure the safety of installation, non-professionals should not install it by themselves.
