Power on the Go
Recharging a Laptop on the Go For a few years now, I’ve had a Noovoo AC Power Bank (claims to be 20100mAh with 60W output and 72.36Wh) (no longer available; newer version ). It’s ... Fine. Gets the job done. Can recharge an ancient MacBook Air. Takes a while to recharge with the bundled AC adapter (3-4 hours with the bundled 19V 1.6A charger). The capacity isn’t really 20100 mAh (more like 15,000 mAh usable, according to this review - but the math isn’t sourced; internally, it uses 3x 6700mAh 3.7v batteries). The form factor is awkward. But I have it, and it works. I covet the Omni 20+ , but $249 is a bit steep... Basically, I want something that can recharge a MacBook Air 11" at least once, on the go, without being a hassle to lug around in a backpack. Novoo has a more squared-off Portable Laptop Charger , but it seems like it would be almost as awkward as what I’ve currently got. There’s also this Novoo Portable Laptop Charger with a claimed 40,000 mAh capacity , but at $140...