Preorder BatteryBox Slim for $99.99

batteryboxslimBatteryBox 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.

BatteryBox Macbook and Mobile Device Charger for $134.99

batteryboxmacbookmobiledevicechargerStackSocial has the BatteryBox Charger for Macbook and Mobile Devices for $134.99 (220 – 38% instant savings) with Free Shipping for a limited time.

With 60Wh of output energy contained in BatteryBox, it’s the highest energy density product of it’s kind. It has two outputs – one for powering your MacBook (up-to 13 hours of extra power), and the other for charging any USB device (up-to 80 hours of extra juice for your iPhone or equivalent USB device). It features BatteryOS, a new way of controlling energy inside of existing lithium-ion batteries, enabling it to hold more capacity and keep working like brand new after many years. It also bypassing your Macbook’s built-in battery and powers it directly, allowing for more energy to flow into the Macbook – adding on even more time to your freedom from the outlet and conservice the life of your Macbook’s battery. It only supports charging to Macbooks with Magsafe2, which are on most Macbooks made after mid-2012.