<p>The host comes with charging and discharging curves and records to observe the charging and discharging curves and view the maximum value</p> <p>Powerful computer host software APP Computer online background synchronization setting function</p> <p>HID online upgrade of host firmware update free upgrade function</p> <p>Simple wiring, easy to modify, strong versatility, true 4-wire wiring design, more accurate voltage measurement</p> <p>Test all kinds of battery capacity and DC power supplies Test all kinds of 0-420V DC power supplies and batteries, high-definition colorful screen, one screen displays multiple parameters, suitable for all working voltages of 0-420V lithium batteries, lithium iron phosphate, lead acid, nickel metal hydride and other batteries and DC power supplies</p> <p>Model: DT20</p> <p>Measurement voltage range: 0-420V (5V power supply is required for the meter)</p> <p>Measurement current range: 0.1-100A</p> <p>Measurement capacity range: 0-99999Ah</p> <p>Curve function: Dual parameter curve can be paused\/run</p> <p>Colour:Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1x Battery\/Power Tester</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>