Intelligent general type highly reliable and wide output range charger Ultra wide charging range auto sensing function [10.5~21V, 21~42V, 42~80V, 54~100V (NPB-450 only)] Built-in CANbus protocol Charging voltage, charging current and timeout can be programmed through SBP-001 Charging current adjustable through panel (50~100% of rated current) 4 default charging curves can be selected through DIP switch on panel 2 or 3 stage charging can be adjusted through DIP switch on panel NTC for temperature compensation (ENC series) Implement temperature controlled low noise fan Auto derating when over temperature -30 ~+70oC wide operating temperature, minimized environmental limitations Suitable for lead-acid and lithium batteries Comply with UL/EN 62368-1 and IEC/EN62368-1/-2-29 dual certifications Optional hand carry handle (Order No.: Carry Handle) 3 years warranty