The BoostCharge Power Bank USB-C 20K is Belkin's most powerful power bank in terms of input and output (30W max, 20V/1.5A). Although its availability is still a mystery, we had a chance to put it to real-world testing.
I Unboxing
Classic Belkin box with green accents. It includes a USB-C to USB-C cable.
A USB-C bidirectional port with 30W PD input/output support. And a USB-A port with 12W (5V/2.4A) support.
Manufacturer's info and certifications.
Slides open and we are greeted by a paper cover.
It is printed with a quick guide.
The power bank is wrapped in an anti-static bag and lays inside the tray.
Package contents: power bank, USB-C to USB-C cable user, and manuals.
The included USB-C to USB-C cable.
The power bank is made of plastic with a two-tone black-and-grey finish.
There is a power button, four LED indicators on the front, with a Belkin logo in the lower right corner.
Close-up of the battery level LED indicators.
Close-up of the Belkin logo.
Specifications on the back.
Model: F7U063. USB-C input/output: 5V/3A, 9V/3A, 15V/2A, 20V/1.5A. USB-A output: 5V/2.4A. Cell capacity: 20100mAh, 72.36Wh (3.6V).
Close-up of the ports.
Compared to the iPhone XS Max.
Height: 77.65mm/3.06inch.
It weights 410.9g/14.5oz.
II Review
1. Charging protocols test
Using ChargerLAB Power-Z KT001 USB power tester, we know that its USB-A port supports Apple 2.4A protocol.
Using ChargerLAB Power-Z KT001 USB power tester, we know that its USB-C port supports DCP protocol.
2. PDO information
PDO information reveals the USB-C port supports quick charging output in 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, and 20V/1.5A.
3. Compatibility Test
1) USB-C output
Using its USB-C port to charge the iPhone XS Max, we are getting 9.02V 2.27A 20.52W, under PD protocol.
Charging the Huawei P30 Pro, we are getting 9.04V 1.32A 11.96W, under PD protocol.
Charging the Huawei Mate 20 Pro, we are getting 9.04V 1.24A 11.21W, under PD protocol.
Charging the Xiaomi 9, we are getting 9.02V 1.89A 17.14W, under PD protocol.
Charging the Samsung Galaxy S10+, we are getting 9.03V 1.56A 14.09W, under PD protocol.
Charging the iPad Pro 11-inch, we are getting 14.98V 1.83A 27.47W, under PD protocol.
Charging the iPad Air2 which doesn't support PD, we are getting 5.03V 2.45A 12.36W, under Apple 2.4A protocol.
Charging the Nintendo Switch, we are getting 15V 0.91A 13.74W, under PD protocol.
Charging the MacBook Pro 13.3-inch 2018, we are getting 19.94V 1.32A 26.52W, under PD protocol.
2) USB-A output
Using its USB-A port to charge the iPhone XS Max, we are getting 4.99V 2.35A 11.74W, under Apple 2.4A protocol.
Charging the Huawei P30 Pro, we are getting 5.08V 1.25A 6.37W, under normal charging speed.
Charging the Samsung Galaxy S10+, we are getting 5.05V 1.77A 8.95W, under normal charging speed.
3) USB-C input
Using the Apple 18W PD charger (A1695) to charge the Belkin, we are getting 9.02V 1.98A 17.86W, under PD protocol.
Using the Apple 30W USB PD charger (A1882) to charge the Belkin, we are getting 20.02V 1.51A 30.3W, under PD protocol.
Using the Anker 30W PD charger (A2014) to charge the Belkin, we are getting 20.06V 1.51A 30.33W, under PD protocol.
Using the Apple 61W USB PD charger (A1947) to charge the Belkin, we are getting 20.35V 1.51A 30.82W, under PD protocol.
Using the Xiaomi 90W PD charger to charge the Belkin, we are getting 20.04V 1.51A 30.32W, under PD protocol.
4) Dual output and pass through charging
The Belkin can charge two devices simultaneously. As can be seen from the picture, the USB-C port is charging the Xiaomi Notebook Air, and the USB-A port is charging the iPhone XR with power output at 30.67W and 10.57W respectively. So it is indeed a 40W-max power bank. Impressive.
The Belkin can charge a device using its USB-A port, while itself at the same time being charged through its USB-C port.
III Conclusion
It is no doubt that the BoostCharge Power Bank USB-C 20K is a powerful and premium power bank that can fast charge your smartphones, tablets, and even laptops. It is actually a 40W power bank capable of 30W USB-C output and 10W USB-A output at the same time. Praise must be given to this kind of low-key approach with the 30W rating.
Pros:
Can charge a laptop.
Supports two-way 30W PD charging and pass through charging.
30W USB-C output and 10W USB-A output at the same time.
Cons:
A little on the heavy side.
Expensive.
Availability.
Source: chongdiantou
