brand new and high quality Features: Made of high quality electronic components, it is solid, durable and good conductivity and performance, long service life. This battery capacity tester is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery. With dual working power supply, it has high working efficiency, and saves your for time. It can display discharge capacity and discharge energy. And it supports parameter memory function, convenient for checking next for time. Battery capacity tester only, other accessories demo in the picture is not included! Product Parameters: Model: XH-M240 Display accuracy: 0.1 Measurement accuracy: 1mAH Power supply: for DC 5V-12V/18650 battery (Not included) Standby current: 5-7mA Discharge current: About 500mA Load power: 10W, 8 Installation hole: 3mm Specification: Material: Circuit Board, Electronic Components Size: app.11 x 8cm/4.33 x 3.15in Color: Green Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Battery Capacity Tester