BatteryBox is taking preorders for their BatteryBox Slim for $99.99 (regularly $139.99) with Free Shipping for a limited time. This is special early bird preorder pricing. Price goes up to $109 preorder pricing when their quota has been met. It’s scheduled to ship Winter 2017.

This is a smart, versatile, powerful, and beautifully designed external battery. It works with everything, including laptops. Pick a cable, plug it in and charge your device. It features a powerful 89Wh (24,000 mAh) battery, controlled by double layer protection circuit and keeps your laptop battery working like new by powering it directly. It prevents battery cycling and degradation. It charges via USB-C port and has two USB 3.0 ports (2.4 Amps, 5V output) for charging USB devices and it also acts as a hub when connected to your laptop.