Your Apple Watch can now get pumped on the go from the Travel Power Bank by Griffin. This is a keychain sized external battery designed especially for the Apple Watch. It comes with an inductive charging pad with a simple, square design you can easily carry in your pocket. The 800 mAh battery can provide up to four charges of the Apple Watch and what makes it one of its kind is the portable design. Tie it up with your keychain and carry it wherever you go. Keeping your Apple Watch pumped up was never this easy. A new entry in the world of power banks which just made your Apple Watch more powerful for outdoor use.