ZB2L3 discharge type battery capacity tester 1.2-12V external battery charging capacity and other tests 18650Tools, single function , by controlling the load and obtaining results of integrated discharge capacity in real timeMaximum support 15 V 3A discharged through discharge voltage and current, by itself does not dischargeMaximum capacity of statistics support of 9999Ah (9999000 mAh)Automatically identify and develop the proper battery termination voltage can also be adjusted manuallySupply voltage: DC4.5-6V (-USB connector)Operating current: less than 70mA Dischargevoltage: Resolution1.00V-15.00V 0.01V Termination voltage range: 0.5-11 , 0 VCompatible with current: 3,000A 0.001A resolutionMaximum voltage measurement error: 1% + 0.02 VMaximum current measurement error: 1.5% + -0.008AMaximum battery capacity range: 9999Ah (1Ah = 1000 mAh) higher value when changing the decimal point, when the screen is less than 10Ah X. XXX, as shown above to achieve 10Ah XX. XX, etc.Material:Metal + pccolour:bluePackage Contents:1 * battery capacity tester2 * Load resistorsOnly the above package content, other products are not included.Note: Light 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.