There’s a general sentiment among iPad consumers today—it’s lack of swappable battery. Imagine being stuck in a meeting or conference with your unpowered Apple iPad. That alone would make you cringe.

Fortunately, there’s the HyperMacs to solve things for you. This external battery packs can power your Macbooks for up to 34 hours via a MagSafe adapter clipped from a real Apple power-brick. The swappable batteries also have USB ports to be able to recharge other gadgets as well. This has been upgraded then to 10 watts to provide power for the iPad.

The 4.7-pound, 222-watt hour HyperMac can give your iPad extra 99 hours of power. It will cost you about $500. For $200, the 60-watt hour version will give your iPads a boost up to 34 hours.