CH-3.0 Battery Capacity Tester (mAh/mWh) for 18650 Cells
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Prices updated: 13 Oct 2026
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About this product
An integrated 18650 battery capacity tester that measures capacity in mAh and mWh and checks internal resistance. It supports both charging and discharging test cycles. It helps hobbyists and students check the condition of lithium cells before using them in projects.
Specifications
- Compatible cell
- 18650
- Measurements
- Capacity (mAh, mWh), internal resistance
- Test modes
- Charging and discharging
- Type
- Integrated capacity and internal resistance tester
Frequently asked questions
What values does the CH-3.0 measure?
It measures battery capacity in mAh and mWh and the internal resistance of the cell. Use the results to compare cells or judge whether an old cell still holds its rated capacity.
How do I insert the cell?
Place the 18650 cell into the holder following the polarity marked on the tester, then start the charge or discharge cycle. Remove the cell carefully after the test ends.
