JOY-IT Battery Capacity Tester JT-KL110F

Dead batteries and uncertain charge states can bring your projects to a halt. The JOY-IT JT-KL110F battery capacity tester gives you precise control over charging, discharging, and analyzing a wide range of rechargeable batteries, so you always know exactly how much life is left.

Who is it for

This compact analyzer is ideal for electronics hobbyists, RC enthusiasts, drone pilots, and anyone who relies on rechargeable batteries. Whether you're maintaining lead-acid batteries in a solar setup, cycling Li-ion packs for a robot, or checking the health of NiMH cells in a cordless tool, the JT-KL110F provides the data you need to make informed decisions.

Main features

• Supports multiple battery chemistries: lead-acid (12V), lithium-ion, lithium polymer, LiFePO4, NiMH, and NiCd.
• Adjustable charge and discharge current from 0.1 A to 10 A, with a maximum power of 100 W in both modes.
• Automatic cycle testing (charge-discharge or discharge-charge) to measure true capacity.
• Internal resistance testing to assess battery health.
• Clear LCD display (128x64 pixels) shows voltage, current, capacity, and time.
• USB connectivity and PC software for data logging and remote control.
• Comprehensive protection: over-voltage, under-voltage, over-current, over-power, over-temperature, and reverse polarity.
• Active fan cooling for reliable operation during high-power tests.
• Stores up to 10 sets of test data for later review.

Specifications

• Test voltage range: 0 – 15 V DC
• Charge current: 0.1 – 10 A (adjustable)
• Discharge current: 0.1 – 10 A (adjustable)
• Max. charge power: 100 W
• Max. discharge power: 100 W
• Capacity measurement range: 0.1 – 9999 Ah
• Voltage measurement accuracy: ±0.02 V
• Current measurement accuracy: ±0.1 A
• Capacity measurement accuracy: ±0.5%
• Input power supply: DC 11–15 V, min. 10 A
• Operating temperature: 0 – 40 °C
• Display: LCD, 128x64 pixels
• PC connectivity: USB
• Dimensions and weight: see product data sheet

Tips

Always set the correct battery type and parameters before starting a test to avoid damage. For best accuracy, use a stable DC power supply rated at least 15 V and 10 A. Keep the ventilation openings clear to prevent overheating during extended cycles.