2Pcs Battery Level Indicator Module Capacity Tester Board 4 Phase 12V with 4pcs LED Professional Accessories

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Product description

  • LED Indicators There are 4pcs LED in different colours, and the clear display will better show the battery capacity.
  • Battery Tester The battery capacity indicator module can read the approximate battery level in the current situation.
  • Great Accuracy Comes with high accuracy voltage detection chip and power regulator chip as well, useful and

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