The liquid injection hole of cylindrical battery belongs to precision hardware
Fix battery module, play the role of heat dissipation.
Pulling out the positive and negative electrodes from the battery to facilitate series and parallel connection.
Sealed square shell battery, avoid air and water entering the battery to protect its performance.
When the internal pressure of the battery is too high, it explodes and releasing the pressure to ensure the safety of the battery.
Insulate and seal both ends of the battery, fix the positive and negative column heads, and indicate the positive and negative poles at the same time, which is the leading out end of the positive and negative poles of the battery
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