Connect 2 Yeti’s together To solar charge both

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Can I do the following: Run my 4 boulder 100’s into my Yeti 1500x to charge it and also run a high power cable out of the 1500x and into my 1000X to charge it at the same time. Currently I’m using the AC out on the 1500X (while its solar charging) to charge the 1000x at the same time. The 12 volt DC to 120 volt AC inverter has an efficiency loss that I’d like to not incur. Will this work.

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