Cross Tied Battery Bank (Wired Correctly!)
In larger battery banks, where you have multiple series –
parallel strings of batteries, you run the risk of some batteries
getting more “depleted” than others, and this degrades your pack
A simple way to reduce this effect is to cross-tie your batteries. This is a not often used but important method of getting extreme life out of your expensive batteries.
See above diagram for details of Cross-Tied-Battery-Bank
The dotted lines show the cross tie cables. It’s also important to make sure your cables are large enough so that you are not losing power as heat through resistance.
If you have caps on your batteries, not maintenance free, check the water levels once a month and top them off during charging. Do not overflow.