XH-M239 18650 Lithium Battery Capacity Tester Module with LCD Display MaH/MwH Measurement High Precision Tool

Features:    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 * 97 * 25MM