Newbie Question: Bypassing charge controller on Renogy Solar Panel

Hello everyone! New guy to the forum and to solar systems in general. Hopefully someone on here has the knowledge to solve my issue.
Here's my setup:
1 Renogy 100 watt Solar Suitcase with charge controller
1 Lead Acid marine battery - used for camping
1 Goal Zero Yeti 150
Problem to solve: I would like to set up the Solar suitcase so that I can use it to charge both the marine battery and the Goal Zero. Right now I can only charge the marine battery. Since the Goal Zero has it's own charge controller I'm unable to charge it.
Question: Is there a way to setup the Solar Suitcase so that I can bypass its charge controller when charging the goal zero? Perhaps attaching another mc4 cable as a pigtail? I thought I'd query the experts before I screw something up?
Thanks!
Tom

1 Renogy 100 watt Solar Suitcase with charge controller
1 Lead Acid marine battery - used for camping
1 Goal Zero Yeti 150
Problem to solve: I would like to set up the Solar suitcase so that I can use it to charge both the marine battery and the Goal Zero. Right now I can only charge the marine battery. Since the Goal Zero has it's own charge controller I'm unable to charge it.
Question: Is there a way to setup the Solar Suitcase so that I can bypass its charge controller when charging the goal zero? Perhaps attaching another mc4 cable as a pigtail? I thought I'd query the experts before I screw something up?

Thanks!
Tom
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Comments
Thom
Plugging it into a 12v outlet does not solve the problem.