... -48V48VTCDL-H-72V72VTCDL-H-96V96VTCDL-H-120V120VTCDL-H-144V144VTechnical Specifications System Voltages12V,24V,36V,48V,72V,96V,120V,144VOperating Voltage+25 ... for long-life and reliability.2. A 10-bar LED displays the state of charge successively, bar by bar, from full ... the electric equipment, the LED will also not display. LED displays round battery indicator