XH-M239 18650 Lithium Battery True Capacity Tester
The XH-M239 is a digital battery tester designed to accurately measure the true capacity of 18650 lithium batteries in mAh (milliamp-hours) and mWh (milliwatt-hours). With automatic data saving, a user-friendly interface, and discharge measurement, this module is an essential tool for battery performance evaluation.Features:
- Discharge Measurement – Discharges at ~500mA, ensuring a fast and accurate capacity test.
- User Interface – Simple controls:
- Short press: Toggle between mAh/mWh or start/pause.
- Long press: Zero/reset data.
- LCD Display – 0.1 accuracy LCD screen for clear and reliable capacity readings.
- Wide Voltage Compatibility – Supports DC 5-12V power supply, making it compatible with various 18650 batteries.
- Customizable Discharge Voltage – Set the discharge stop voltage, with a recommended 3.5V termination to avoid over-discharge and prolong battery life.
Technical Specifications:
- Model: XH-M239
- Power Supply Voltage: DC 5-12V
- Standby Current: 5mA
- Discharge Current: ~500mA
- Load Power: 10W (8Ω)
- Measurement Accuracy: 1mAh
- Display Accuracy: 0.1
- Measurement Time Example: A 2000mAh battery takes ~4 hours to fully test.
- Size: 111 × 97 × 25mm
- Weight: 93g
Application:
- Battery Capacity Testing – Ensure accurate energy storage evaluation.
- DIY & Electronics Projects – Ideal for makers, engineers, and hobbyists.
- Battery Health Monitoring – Prevent over-discharge and extend battery lifespan.
Package Content:
- 18650 Lithium Battery True Capacity Tester
- Online PDF Instructions Manual
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