TR16 is a kind of high accuracy current type battery capacity tester(also known as coulometer), which can test the voltage, current and capacity of battery to help users know the state of battery in time. TR16 have memory function. It is suitable for mobile and portable equipment, e-bike, balance cars, cleaning machines, instruments, and so on. Features: Full-sealing waterproof design, with stable performance under rainy day, hot environment and cold environment. Large capacity design, max 999.9AH settable, compatible with all kinds of batteries. High accuracy design, the testing error of charge and discharge quantity of electricity is 1%. Equipped with LCD display, you can see the electric quantity, voltage, current clearly. Suitable for lithium batteries, lithium iron phosphate batteries, leadacid batteries and nickel-metal hydride batteries which working voltage is from 8V to 120V. Help testing the voltage, current and capacity of battery to help users know the state of battery in time. Suitable for mobile and portable equipment, e-bike, balance cars, cleaning machines, instruments, and so on. Specifications: Name: Battery Capacity Tester Model: TR16 Material: ABS Testing-range: 8-120V Current: 50A, 100A, 350A (optional) Working dissipation: 10.0-12.0mA Standby dissipation: 0.5-0.6mA Sleep dissipation: 50-60A Voltage accuracy: 1.0% Current accuracy: 1.0% Capacity accuracy: 1.0% Backlight on current(50A): 50.0mA Backlight on current(>50A): 100.0mA Preset capacity value: 0.1-999 Ah Current of 50A sampler: 0.0-75.0A Current of 100A sampler: 0.0-150.0A Current of 350A sampler: 0.0-500.0A Temperature-range: -10 to 60 Item size: 59 * 59 * 20mm / 2.32 * 2.32 * 0.79in Item weight: 50A: 200g / 7.05ounce 100A: 270g / 9.52ounce 350A: 410g / 14.46ounce Package size: 100 * 100 * 50mm / 3.94 * 3.94 * 1.97in Package weight: 50A: 200g / 7.05ounce 100A: 270g / 9.52ounce 350A: 410g / 14.46ounce Packing List: 1 * Battery Capacity Tester 1 * Cable 1 * Bracket