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Battery Testers for Lithium-ion Battery Evaluation




Hioki benchtop battery testers support simultaneous high-speed measurement in the ever-expanding production lines of increasingly larger lithium-ion low resistance batteries. The BT4560 measures the impedance of Li-ion batteries using the low-frequency AC-IR measurement method without charging and discharging the battery, substantially reducing the time needed to inspect the internal resistance of battery cells. BATTERY IMPEDANCE METER  BT4560


Note: This product is not supplied with measurement probes. Please select and purchase the measurement probe options appropriate for your application separately.


Key Features

• Low-frequency AC-IR measurement

         * enables faster measurement

         *The BT4560 eliminates the need for charging or discharging by measuring internal impedance at a low frequency of 1 Hz  or below

• Extremely reliable measurements for low-impedance batteries

         *The BT4560 uses a testing current of 1.5 A at the 3mΩ range, which improves the S/N ratio

• Circuit configuration highly tolerant of contact and wire resistance to provide stable measurements

• Simultaneous measurement of impedance and voltage

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)


Allowable input voltage


Up to 5 V


Measured information


Impedance, voltage, temperature


Impedance measurement


Parameters: R, X, Z, θ, Frequency: 0.1 Hz to 1050 Hz, Measurement ranges: 3.0000 mΩ, 10.0000 mΩ, 100.000 mΩ
Testing current: 3 mΩ range: 1.5 Arms, 10 mΩ range: 500 mArms, 100 mΩ range: 50 mArms


Voltage measurement


Measurement range: 5.00000 V (single range), Measurement time: 0.1 s (Fast) to 1.0 s (Slow)


Temperature measurement


Range: -10.0 °C to 60.0 °C, Measurement time: 2.3 s


Basic accuracy


Z: ±0.4% rdg. θ: ±0.1 °, V: ±0.0035% rdg. ±5 dgt. , Temperature: ±0.5 °C (at 10.0 to 40.0 °C)




Comparator, self-calibration, sample delay, average, contact check, measurement current error, and other




RS-232C/USB (virtual COM port) * Cannot be used simultaneously
EXT. I/O (NPN/PNP can be switched)


Power supply


100 to 240 V AC, 50/60 Hz, 80 VA max


Dimensions and mass


330 mm (12.99 in) W × 80 mm (3.15 in) H × 293 mm (11.54 in) D, 3.7 kg (130.5 oz)




Power cord ×1, Instruction manual ×1, Zero-adjustment board ×1, USB cable (A-B type) ×1, CD-R (communication instruction manual, PC application software, USB driver) ×1


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