Questions on wiring two 5p batteries to combiner box for rate shifting

Tandem Breakers for a Full Breaker Panel two breakers in one slot So if the manufacturer has designed a panel to take only full height breakers, then you can't use the pancake breakers or the twins two slot shelving A tandem breaker is TWO separate 120v circuit on a single breaker img Electrician: WireGuyFranklin If you switch the bottom wire to the top

two breakers in one slot Both fit in standard electrical panels, but double-pole breakers are twice the width of single-pole breakers This guide covers all the features