Even though the latest MacBooks have great battery life, they aren’t magical. At some point the battery will drain and you’ll need to hunt for your charger and an outlet. Dead batteries tend to happen at the worst moment, but if your MacBook has a USB-C port, the Kanex GoPower with its built in 15,000mAh battery and 3.0A + 2.4A fast charging ports will have you working again ASAP. The GoPower stows in your backpack when you don’t need it, but when you do, it will be there with enough extra battery power to completely recharge your USB-C MacBook. No MacBook? No problem, the GoPower will provide multiple recharges of other USB-C devices like the Nexus 6P, LG G5 and more. It can ever charge two devices at one time through its extra USB port. The Kanex GoPower is priced at $99.95. For more info visit Kanex.com and Amazon to order.
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Ok, this looks like they are specialized for Macbook users only. Hope we have some for our Windows laptops too.
If you have a Windows laptop that charges through a USB-C port, I would think the GoPower would work with it without issues. But I will ask Kanex to make sure though.
I just got confirmation that this external battery works with any device that charges through USB-C. They are just focusing on MacBooks right now for marketing purposes.