swapping and charging batteries
I have a 1 year old trailer. It came with a deep cell battery, and it is good. I plan on adding a second battery. I have 2 older ones,that at the time, were good. Today,I swapped out my good battery f...
Forum Discussion
wa8yxm wrote:swimmer_spe wrote:
12.5v after plugging it into the trailer,not into shore power.
I sort of thought that was what you meant But it's not how I'd have said it (hooking up the battery to trailer)
Which is why I covered all options (I hope)
12.5 after sitting on the shelf for a month or even a week is not bad at all. In fact with most meters it's within the margin of error for PERFECT. less you lab calibrated (Gads... Been a lONG time since I lab calibrated a meter)
This one sat at least a year. Could be even longer. I have another that has sat that long that next week I'll be swapping it onto the trailer so it can get a good charge before using it.. Both of these batteries will only be used once a year, for about a week.
