After all, you're explicitly restricted from bringing large Li-ions on planes! https://www.tsa.gov/travel/security-screening/whatcanibring/items/lithium-batter

After all, you're explicitly restricted from bringing large Li-ions on planes! https://www.tsa.gov/travel/security-screening/whatcanibring/items/lithium-batteries-more-100-watt-hours https://www.tsa.gov/travel/security-screening/whatcanibring/...