These are some of the basic specifications to consider when you are looking for a generic non-IP-rated charger fan replacement:

IC Series (IC1200):

• Rated Voltage: 12VDC
• Rated Power Consumption: 5.40W
• Dimension: 92x92x25mm
• Maximum Airflow: 73.1CFM
• Rotational Speed: 3800RPM

RC Series (RC1000 and RC1200):

• Rated Voltage: 12VDC
• Rated Power Consumption: 4.20W
• Dimension: 80x80x15mm
• Maximum Airflow: 50.2CFM
• Rotational Speed: 4500RPM

ICL Series (ICL1200 and ICL1500):

• Rated Voltage: 12VDC
• Rated Power Consumption: 4.20W
• Dimension: 80x80x15mm
• Maximum Airflow: 50.2CFM
• Rotational Speed: 4500RPM

XV Series (XV3300):

• Rated Voltage: 12VDC
• Rated Power Consumption: 7.68W
• Dimension: 120x120x25.4mm
• Maximum Airflow: 134.5CFM
• Rotational Speed: 4100RPM