Great price @ $56.99 for a limited time only!
RAVPower 26800 Portable Charger 26800mAh Total 5.5A Output 3-Ports External Battery Packs (2.4A Input, iSmart 2.0 USB Power Pack) Portable Phone Charger iPhone, iPad Other Smart Devices
Will work with most Macbooks too!
CamelCamelCamel.
Will not work with all MacBooks :(
Note this model doesn't have USB-C Power Delivery.
No USB-C PD :-(
Waiting for a sub $80 (delivered) deal on the the RavPower RP-PB058
It's enough to fully charge 6 ~ 7 phones, wow!
Beware of the potential for issues at the airport as the capacity is right on (or above?) the 100Wh limit that requires airline approval. Of course only a consideration if you want to take it onto flights.
I did read the specification, seems this one is 99.X Wh
Assuming the nominal voltage is 3.7V, it falls below 100Wh (which is the maximum Wh for carry-on baggage).
To calculate Wh:
(mah)/1000 x (V) = (Wh)
(26800mah)/1000 x (3.7V) = 99.16Wh.
That's the point - we have to assume that the nominal voltage is 3.7V. While this is one of the most common, a lithium battery (again an assumption) can have a nominal voltage from 3.2V to 4.2V, depending on the chemistry used. Unfortunately the product description isn't clear here. That's why I said "potential" and included a ? in my comment - I couldn't be sure.
Hopefully there is a clearer specification on the product itself or the potential for trouble at customs may be greater.
Agreed, I couldn't find the exact nominal voltage on Amazon, the official RavPower Website or the manual.
@RichardL: This is almost like saying the price is $100 but won't say in what currency. :-)
BTW, just for reference, the xiaomi power banks, which are quite popular on ozb, are rated at 3.85V.
Store in title.