My clients need DC 12V CFL lamp,the most important is that this lamp with overtemperature protection (OTP), 12V DC lamp can be used directly in 12V battery or solar systems. 2U 11W 12V 8000HOURS 50000PCS if your lamp have the OTP,pls directly me,if not pls don't waste your time.my Trade manager is:cn00075483.And pls infrom me your are 12v lamp factory