XH-M239 18650 Battery Capacity Tester with LCD Display

From the shop's description

18650 Lithium Battery Capacity Tester Module High Precision XH-M239 LCD Digital Display True Capacity Module mAh/mWh Measurement Features: Widely used Compact appearance Easy to use and understand Measurement accuracy: 1mah Intelligent chip control, clear LCD display, accurate measurement Note :the battery on the left is the power supply on the circuit, and the battery on the right is the test. Specifications: Product Name: 18650 lithium battery capacity tester Product model: xh-m239 Display accuracy: 0.1 Measurement accuracy: 1mah Power supply voltage: dc5-12v / 18650 battery (delivered without battery) Standby current: 5mA Discharge current: About 500mA Load power: 10W 8 Ω Appearance dimension: 111 x 97 x 25mm Product weight: 93g Instruction