Type:SC_MPPT_24V_40A Max. Open Circuit voltage:<100V MPPT voltage range:13~100V(12V);26~100V(24V) Max. Input current:40A Max. input power:480W Adjustable battery type:Lead acid/Lithium battery/Others Charing mode:MPPT or DC/DC(adjustable) Max. charging efficiency:96% Product size: 186*148*64.5mm Net Weight:1.8KG Working temperature:-25~60℃ Remote monitoring function:RS485 optional