The addition of USB-C port on Fire HD10 2019 (9th Gen), Fire HD 8 2020 (10th Gen), and Fire HD 8 Plus makes these Fire tablets support 15W USB-C fast charging and be compatible with more USB accessories.
This Fire tablet guide explains what USB-C fast charging (PD) is, how to use it to charge your Fire HD tablets faster, and known problem and caveats of using fast charging on Fire HD tablets.
Please note, this guide only applies to Fire HD tablet with a USB-C port. Currently, Fire HD10 2019 (9th Gen), Fire HD 8 2020 (10th Gen), and Fire HD 8 Plus have the USB-C Port. Older generations and Fire 7 only have a micro USB port.
What is USB-C fast charging (USB PD)?
For the 10th gen Fire HD 8 (Fire HD 2020), Amazon stated:
Fully charge in under 5 hours using the USB-C cable and 5W power adapter included in the box. Fully charge in under 4 hours with 9W adapter (sold separately), and under 3 hours with 15W adapter and USB type C to C cable (adapter and cable sold separately).
Essentially, you can fully charge Fire HD 8 2020 or Fire HD 8 Plus (and Fire HD 10 2019) within 3 hours with the fast charging. It shortens the charging time by 40%.
So, what is the USB-C fast charging on Fire HD 8 2020 and Fire HD10 2019?
Actually, it is not “fast” charging. It is a standard USB-C charging.
The technology, or the standard, behind it is USB Power Delivery (PD) 2.0.
Normally, when you connect Fire tablet to a USB device or charger, the tablet the charger will “negotiate” how much power the tablet can take and how much the charger can offer.… Read the rest