1: Wide range of applications 2: Small appearance 3: Simple to use and easy to understand 4: Measurement accuracy: 1mAH 5: Intelligent chip control, clear LCD display, accurate measurement Product name: 18650 lithium battery capacity tester Product Model: XH-M239 Display accuracy: 0.1 Measurement accuracy: 1mAH Power supply voltage: DC5-12V/ (delivery without battery) Standby current: 5mA Discharge current: about 500mA Load power: 10W 8 Appearance size: x 97 x 25mm Product weight: 93g : ELECTRICAL Type: Household Battery Tester color:Green :PCB+plastic Package Contents: 2 x 18650 Lithium Battery Capacity Tester 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.