800W 24V Hybrid Charge Controller 1.Professional Manufacturer 2.OEM Services 3. ... selected and tested by our QC department. Functioning Test: Outlook, Input voltage, Output voltage, Frequency, Socket type, Protection functions(Low battery voltage ... as possible, including DHL, UPS, TNT, Fedex and EMS. 800W 24V W&S Charge Controller, Hybrid Charge Controller