Starting batteries instead of deep cycle
So I’ve got a theory... Deep cycle batteries are designed to slowly discharge low current for a long time. Starting batteries are designed to put out high current for short periods. Generally, p...
Forum Discussion
Kayteg1 wrote:zcookiemonstar wrote:
... This system was designed with AGM deep cycles not starting batteries. If starting batteries were a better option I think they would have use them here.
AGM batteries are another sample how customer can be fooled by sales pitch overwhelming common sense.
The only advantage of AGM batteries in any application is that they can work upside down, or lay on its side + they have higher charge ratings.
Sadly they don't last long.
In older Mercedes cars we had flooded battery lasting 13 years, when in newer models AGM batteries seldom last longer than 4 years.
You can still buy flooded starting batteries with 96 months warranty, when the best warranty on AGM is about 1/2 of that.
No the reason for the AGM in this case is because they are in a house and do not off gas like a flooded battery so less need for venting to the outdoors.
Point was not for the AGM but the deep cycle battery.
