Something seems a bit off with my truck, after putting a 2 amp charger on my truck for about 18 hours my charger was reporting the battery somewhere between 75 and 100% charged. I unhooked the charger and remote started the truck without issue at below freezing temps.
I then drove for close to two hours I took my truck into work and tested the battery with two different testers.
It tested as “good, recharge” and put out a total of 1062 cranking amps at 12.63 volts about 30 seconds after shut down. The battery is rated at 800cca so I’m not sure why it tested higher.
After testing the battery I drove home and threw it back on the charger which is now reporting the battery is between 50 and 75% charged, being a smart charger I will leave it on for the night again and see what the level is reporting as tomorrow.
I don’t know if these agm batteries have “cells” like the plain lead acid batteries but I’m thinking I either have a short in the battery causing it to drain or there is a module drawing to much power when the truck is off causing the voltage to drop to low to remote start to work.