JZK 3pcs 1-8S Lipo/Li-ion/LiMn/Li-Fe battery tester low voltage buzzer alarm with LED indicator, black

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Product description

  • It can test the working state of lithium battery, to protect the battery from overcharging or over-discharging.
  • The buzzer alarm pre-set value is 3.3V, push key which can change the voltage settings and save.
  • When the battery voltage is too low, the bazzer alarm will sounds and the LED indicator will turn red light.

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