The 12V DC out is for your Mac via an adapter that looks like a car lighter. The DC in is for charging via the included AC adapter, but you can also charge the battery via DC source like a car or boat. There are two iPad-level charging 2.1A USB ports on the front as well as DC in and DC out.
#EXTERNAL BATTERY MACBOOK PRO MAGSAFE 2 POWER PORT FULL#
The OLED screen provides detailed battery information like percentage power remaining, temperature, time to full charge and discharge. I’ve even seen one double-sided taped to the back of a MacBook Pro. If you want to pop it into a backpack, it is pretty quick and easy all the ports and the display are on one side and easy to access. Or, you can throw it in a laptop case or even a roomy pocket of an iPad cover. HyperJuice takes a simpler approach and offers a battery that matches the aluminum exterior of a MacBook Pro/Air. You can’t remove the battery charging apparatus from the Powerbag, and it doesn’t offer a way to charge a MacBook. I love the idea of power inside a backpack, and it has saved me on many occasions, but I could also use some additional flexibility.
I’ve been using a Powerbag from Ful for my external battery needs for over a year.
HyperJuice’s latest line, dubbed the “MBP2 series”, expands on the capabilities of the big power batteries… Hyper has made external MacBook/Air/Pro batteries for years, and if you’ve ever been to an Apple (or any big technology) keynote event, many of the live bloggers have their rigs hooked up to them.
A few days before Sandy hit our town, Hyper sent me its new MacBook + iOS charging external battery device, the Hyperjuice MBP2-100.
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