XT60 Battery Plug Cover - Know When Your Batteries are Fully Charged

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You can download this design here:
Just a simple design I worked on for all my XT60 batteries. I got so frustrated with not knowing which batteries were fully charged vs which weren't. I have a voltmeter that I take to the field, but I thought it would be easier to design a little plug that says "FULL" on it.
One user on Thingiverse suggested a little eyelet to connect the cover to the battery cables so I'll definitely be working on a new iteration this weekend.
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