Replacing Batteries on my 2022 Tab 400

DanaTAB400 · January 2025

I can't find any Harris Batteries (Original Equipment) in Salt Lake City where I am.
Amazon sells: Sun Cycle 6 volt AGM Battery (brand Go Power)
Dimensions are exactly the same as Harris Batteries: 10.24"Lx7.09"Wx9.96"H
They weight 67.25 lbs each
Would these be good replacment batteries for my trailer?

pthomas745 · January 2025

Those appear to be perfectly fine battery replacements for your dual 6V setup. They appear to be mentioned in this thread, also.

https://tab-rv.vanillacommunity.com/discussion/17889/what-batteries-to-replace-old-ones-in-2021-tab-400

There are different 225 amp hour AGMs that have been mentioned in various threads, also. Vmax Tanks are listed in this thread.

https://tab-rv.vanillacommunity.com/discussion/12641/2020-320s-dual-6v-agm-golf-cart-battery-install/p1

You will also note in the first thread: there are many 400 owners who have changed those almost 140 pounds of AGM batteries for a single 230 amp hour lithium battery. Many such batteries will simply drop in: the LiTime 230 amp hour batteries are well reviewed, etc.

A 230 amp hour lithium will increase your usable battery amp hours from about 120 to more than 200. And, be less expensive.

https://tab-rv.vanillacommunity.com/discussion/17945/2022-400-bd-battery-box-dimensions

Grumpy_G · January 2025

Adding to what @pthomas745 wrote, there are more 200Ah LiFePo batteries that are in the $400 range which are smaller and lighter than two 6V batteries. LiFePo batteries also can be discharged lower (they protect themselves against over-discharge) so slightly less nominal capacity does not affect real-world camping use.

Replacing Batteries on my 2022 Tab 400

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