how long will a truck battery last

[bob144]

i have two&nbsp;large truck batterys my&nbsp;<b id="mainContent" style="font-family: Arial, Helvetica, sans-serif; text-align: left; font-size: small; "><h1 itemprop="name" class="vi-is1-titleH1" style="font-size: 18px; color: rgb(51, 51, 51); margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; font-family: Trebuchet, 'Trebuchet MS'; display: inline !important; ">Dometic CF-050DC Waeco is hooked up to one of them for two weeks now this was a test and its keeps running it fine,these batterys came out of my ford</h1></b>