The Sierra Madre Secret to Instant Heat!

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A heated jacket is just a jacket if you can't feel the heat!

That's why we invested the time, brainpower, and money to create a power pack that was truly capable of the job. Check out the video below to see how we did: 

The source of this instant heat is our proprietary power pack and new heat panel technology.

These aren’t your run-of-the-mill, 5V “trickle-bricks” either. Our PowerPacks are purpose-built, USBC-PD equipped power banks that are capable of pumping out up to 60 cold-killing watts. 

This translates to warmth you can actually feel for up to 12 hours per charge!

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