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
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Classic Belkin box with green accents. It includes a USB-C to USB-C cable.
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A USB-C bidirectional port with 30W PD input/output support. And a USB-A port with 12W (5V/2.4A) support.
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Manufacturer's info and certifications.
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Slides open and we are greeted by a paper cover.
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It is printed with a quick guide.
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The power bank is wrapped in an anti-static bag and lays inside the tray.
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Package contents: power bank, USB-C to USB-C cable user, and manuals.
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The included USB-C to USB-C cable.
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The power bank is made of plastic with a two-tone black-and-grey finish.
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There is a power button, four LED indicators on the front, with a Belkin logo in the lower right corner.
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Close-up of the battery level LED indicators.
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Close-up of the Belkin logo.
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Specifications on the back.
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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).
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Close-up of the ports.
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Compared to the iPhone XS Max.
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Height: 77.65mm/3.06inch.
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It weights 410.9g/14.5oz.
II Review
1. Charging protocols test
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Using ChargerLAB Power-Z KT001 USB power tester, we know that its USB-A port supports Apple 2.4A protocol.
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Using ChargerLAB Power-Z KT001 USB power tester, we know that its USB-C port supports DCP protocol.
2. PDO information
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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
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Using its USB-C port to charge the iPhone XS Max, we are getting 9.02V 2.27A 20.52W, under PD protocol.
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Charging the Huawei P30 Pro, we are getting 9.04V 1.32A 11.96W, under PD protocol.
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Charging the Huawei Mate 20 Pro, we are getting 9.04V 1.24A 11.21W, under PD protocol.
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Charging the Xiaomi 9, we are getting 9.02V 1.89A 17.14W, under PD protocol.
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Charging the Samsung Galaxy S10+, we are getting 9.03V 1.56A 14.09W, under PD protocol.
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Charging the iPad Pro 11-inch, we are getting 14.98V 1.83A 27.47W, under PD protocol.
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Charging the iPad Air2 which doesn't support PD, we are getting 5.03V 2.45A 12.36W, under Apple 2.4A protocol.
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Charging the Nintendo Switch, we are getting 15V 0.91A 13.74W, under PD protocol.
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Charging the MacBook Pro 13.3-inch 2018, we are getting 19.94V 1.32A 26.52W, under PD protocol.
2) USB-A output
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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.
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Charging the Huawei P30 Pro, we are getting 5.08V 1.25A 6.37W, under normal charging speed.
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Charging the Samsung Galaxy S10+, we are getting 5.05V 1.77A 8.95W, under normal charging speed.
3) USB-C input
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Using the Apple 18W PD charger (A1695) to charge the Belkin, we are getting 9.02V 1.98A 17.86W, under PD protocol.
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Using the Apple 30W USB PD charger (A1882) to charge the Belkin, we are getting 20.02V 1.51A 30.3W, under PD protocol.
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Using the Anker 30W PD charger (A2014) to charge the Belkin, we are getting 20.06V 1.51A 30.33W, under PD protocol.
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Using the Apple 61W USB PD charger (A1947) to charge the Belkin, we are getting 20.35V 1.51A 30.82W, under PD protocol.
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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
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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.
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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
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