20A Variable DC Load Tester (Best Way to Test HIGH-DRAIN Lithium batteries)

Channel Support - https://www.paypal.com/paypalme/evcus... EV-Customs Website - http://ev-customs.com Instagram -   / ev_customs   Facebook - https://goo.gl/tu3Qdk Music - Happy Life No Copyright Music BOARD Link - https://bit.ly/37l3hSA Specs and Diagram Link - http://ev-customs.com/index.php/batte... Product introduction: 8 in 1 measurement: voltage, current, power,battery capacity, impedance, temperature, energy, time, external waterproof temperature probe. Scope of application: Universal test all kinds of batteries, all kinds of power supply, all kinds of charger ​Operation method: Keystrokes using method and the capacity, power, time reset Settings: 1) Reset button long-press all data 2) Quickly button twice - capacity Reset （mAh） 3) Quickly button three - power reset（Wh） 4) Quickly button four - time reset（00:00:00） 5) Quickly button five - Set up automatic standby and Discharge the countdown to remind regularly 6)When no load output no-load, quick seven keys, and for the current zero to zero in the current environment temperature for accurate calibration, so more can do more accurate measurement in small current.