18650 Lithium Battery Capacity Tester Module High Precision XH-M240 Digital Display True Capacity Module

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Description

Precision Meets Simplicity

Equipped with a clear digital display, the XH-M240 calculates capacity in milliamp-hours (mAh) and energy in milliwatt-hours (mWh). It functions by applying a load to a fully charged battery and measuring the total energy output until the cutoff voltage is reached.

Features

  • Dual Display Units: Toggle easily between mAh and mWh to get a complete picture of battery performance.

  • Independent Power Supply: Can be powered by a separate DC 5-12V source or a dedicated 18650 battery to ensure testing doesn’t drain the power needed for the module itself.

  • High Precision: Provides accurate readings for capacity testing, perfect for “grading” cells for battery packs.

  • Auto-Save Function: If the power is interrupted, the module remembers your settings.

  • Active Discharge: Uses an onboard load resistor to simulate real-world usage.

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