If it is made buy Xantex don't buy install it. I had a 12 year old one on a former boat. I replaced one on my current
boat (true charge 40). It failed the placement third one is still working. Dealer was no help, I paid return freight, killed my stating battery
and my house batteries seemed to have lost
would start a charge mode then processor would drop voltage to 11.2v. Xantex said they new they had a problem that was either a voltage sensor or software
. I went without a battery charger
for three months last year and buying
new house bank this year. 4xt105 2 years old.