High efficiency,MPPT efficiency ≥99.5%, Machine conversion efficiency:98%; 
Charge mode: three stages (fast charge, constant charge, floating charge).
Discharge mode: ON/OFF, Dual time control, PV& Time control, PV voltage control 
Recommended battery types: Flooded, Sealed lead acid, Gel battery. 
LCD:PV input voltage, PV input current, day, month, total generating power, 
charging current, charging power, discharge current, discharge power and so on. 
RS485 communication, it’s convenient for user’s integration management.
CE, RoHS, FCC certifications approved..2 years warranty.