Description: Liquid crystal material,display clear The percentage of the remaining power,voltage,clear and directly Customize the type of battery,suitable for plumbous acid,3.7V lithium battery multi section series The 8~65V wide input voltage,reverse protection The custom 10S later sleep,0.3V fluctuation can automatic wake-up sleep in 0.5S Low power consumption,5mA with the backlight on,20uA when sleep Reservation function expansion Specification: Operating current: < 5mA Operating voltage: 8-65V Operating temperature: -10-65 Backlight: Green Applicable battery specification: Lead-acid battery 12V, 24V, 36V, 48V; Lithium-ion battery 3-15 series Applicable battery type: Ternary Lithium battery, Polymer lithium-ion battery, Lithium ion battery, Storage battery, Water battery, etc. Application: Various instruments and meters; portable device; power bank; medical device, electrombile, self-balance car. Package Includes: 1 Piece Battery Capacity Tester 1 Piece Lead Wire