Anker Power Bank, PowerCore 26800mAh Portable Charger with Dual Input Port and Double-Speed Recharging, 3 USB Ports External Battery for iPhone, iPad, Galaxy, Android and Other Smart Devices
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is also an impressive fast charging technology that is supported by most smartphones such as Samsung S9, S8, S7, S6, etc. I even got a USB charger for my 80D camera for the (nigh-)ultimate perversion: charging a DSLR from a smartphone.
Anker PowerCore 26800 Charger (A1277): Charge the Power Bank Anker PowerCore 26800 Charger (A1277): Charge the Power Bank
As fz750 noted above, one country might have a 160 Wh limit while another might have a 100 Wh limit or less. Recharge 2X Faster: Dual Micro USB (20W) input offers recharge speeds up to twice as fast as standard power banks—a full recharge takes just over 6 hours while using both input ports (wall charger not included).I had a chance to go hands-on with the PowerCore 26800 for ourselves, and I'm happy to say that it works just as advertised.
Anker 337 Power Bank (PowerCore 26K) - Anker UK
Using the AC plug will likely reduce the overall charging capacity due to the overhead required by the inverter, but the option of being able to charge and power things like fans or small lamps is an added bonus. The activity centers’ straps can detach or break while a child is in the activity center, posing fall and injury hazards to the child. This power bank is capable of fast charging MacBook Air / iPad Pro 2018, iPhone 8 / X / XS / XR (Lightning cable required), Android smartphones, and tablets (including the Nexus 7/5X/7P), and other USB-charged devices.mAh battery pack outputs 5 V (USB) so has 10,000*5/1000=50 Wh, so it could charge your Nikon battery from zero to full at least three times. This again shows that specs from the manufacturers marketing department, are more or less just polished figures on a ”paper”.
Anker PowerCore 26800 Portable Charger, 26800mAh External Anker PowerCore 26800 Portable Charger, 26800mAh External
In summary, the Anker PowerCore+ 26800 PD is a reliable charger for mobile devices with a sleek and durable aluminium design. It's more complicated than the old USB BC charging standards which just looked for a couple shorted pins etc.Also seem that different airlines/airports seem to have different rules, which probably explains why this article doesn't clarify exactly which ones can be carried on board.