dc level 5 parameters

[LosIsATool 5,000+ posts]

DD is a 12v amp only, they WILL protect over 15v. Most I've gotten to is 15.1v. Whoever told you that does not know what they are talking about. Also you said you are running 16v with 16v batteries, you need 14v batteries or you need to run 18v on the 16v batteries.