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ScottyP5947's avatar
ScottyP5947
Explorer
Jan 16, 2019

Add third 12V battery in parallel to travel trailer?

Hi all - I am looking to add a third battery to my TT. It has 2 12V Deka deep cycle/marine batts that are just under 1.5 years old. Will I run into any issues with adding a third 12V batt? Should I ...
theoldwizard1's avatar
theoldwizard1
Explorer II
Jan 16, 2019
What problem are you trying to solve ?

I am pretty sure those not true "deep cycle" batteries. A pair of Deka DC27 will give you 180 AHr. A pair of GC2 (Deka/Duracell or Interstate) golf cart batteries will give you 230AHr and will probably last longer (more charge/discharge cycles).

IMHO, stick with the pair you have and start socking away the money for those Lithium batteries.

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