Note: lithium iron phosphate battery charging is not supported Working voltage: DC5V Applicable battery: suitable for all batteries that meet the requirements of stopping discharge voltage of 2.5~3.5V and starting from 2.8V to 4.2V Power supply interface: Two-way Type-C power supply interface (Excluding power supply and power cord) System language: English/Chinese can be switched<br><br>Test quantity: 4-way charging and discharging measurement Internal resistance measurement: support, use DC two-wire method to test internal resistance Charging function: support, automatic cut-off charging when fully (lithium iron phosphate battery charging is not supported) Discharge function: support, automatically stop when conditions are met, and the discharge current is not adjustable Automatic charging and discharging: supported. The battery is fully at of automatic mode Cyclic charging and discharging: supported, 1~9 cycles adjustable (only supported in automatic mode) Status prompt: Supported Cooling mode: fan active cooling Overheat protection: support Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 11 adjustable gears Discharge current: the maximum current is about 1A, which is not adjustable, and does not support transformation Charging voltage: controlled by a special battery charging chip, with a maximum charge of about 1A and a full charge voltage of 4.2V Power-off saving: only save the set parameters, not the measurement data Material: plastic colour: green<br><br>Package Contents: 1 x Battery Capacity Tester 1 x pry bar<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.