10X 21.6V Li- Battery Protection Board PCB Board Replacement ,Compatible for Dyson, V8 Vacuum Cleaner Circuit Boards

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  • Built-in temperature sensors automatically trigger protection by cutting power supply when the vacuum cleaner operates under prolonged high load or when excessive ambient temperature causes abnormal battery heating.
  • The protection board is compact, lightweight, and easy to install, offering maintainability. For instance, some boards use standard chip-level PCB , reducing repair and replacement complexity and costs.
  • By preventing overcharging and over-discharging, the protection board effectively slows battery cell degradation. This extends the overall battery pack lifespan by 1-2 times, delivering long-term benefits from a single replacement.
  • It offers shock resistance and moisture protection, adapting to the various vibration environments encountered during vacuum cleaner operation, resulting in an extremely low failure rate.

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