Charge while you’re on the go!  Best Buy currently has the Insignia Portable Charger for just $9.99! (regularly $29.99!) This rechargeable battery boasts a 10,400 mAh capacity for reliable power and will allow you to easily charge your cell phone, tablet or other USB-enabled devices on the go! Opt for free in-store pick-up if it’s available to you, otherwise, shipping is free on orders of $35 or more.