Specially used to measure capacity.The integration of charging and discharging eliminates the tedious operation of disassembling and assembling the battery to replace the charging and discharging of the device.The size of the discharge current can be switched and it is convenient to use.Small size, easy to carry.stable performance.Product name: capacity internal resistance tester charging and discharging integrated versionWorking voltage: DC5VDetection voltage: DC5VCapacity measurement range: 0~99999mAhEnergy measurement range: 0~99999mWhBattery internal resistance measurement: supportDisplay real-time voltage: supportDisplay real-time current: supportDisplay real-time : supportLog run time: supportWorking mode indication: supportCurrent Status Indication: SupportedSimultaneous discharge: not supported (simultaneous discharge of Test and external supply Test is not supported)Discharge load: 10W 8QJ cement resistance x 2Discharge current selection: x0.5A or ~1ACharging interface: Type-CExternal discharge interface: Type-CPreset discharge stop voltage: 3V (not adjustable)Preset full stop voltage: 4.2V (not adjustable)Data storage: The measurement data is not saved, and the accumulated data is automatically cleared when the is turned off or when the working mode is switched.Product size: 108x85x24mmType: 18650 lithium battery capacity internal resistance testercolor:GreenMaterial:plasticPackage Contents:1 x ModuleOnly 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.