Assessment: ZENS Twin Wi-fi Powerbank Helps Qi Charging On the Go, however Low Battery Capability Limits Usefulness

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Assessment: ZENS Twin Wi-fi Powerbank Helps Qi Charging On the Go, however Low Battery Capability Limits Usefulness

Final fall I had the possibility to check out ZENS’ all-new Twin + Watch Wi-fi Charger, which gives spots to cost two Qi-enabled smartphones and one perch for the Apple Watch. I got here away fairly liking the accent, which must be an incredible charging hub for anybody in a two-person family, and now the corporate has launched a companion accent referred to as the ZENS Twin Wi-fi Powerbank.

This machine is a conveyable battery pack that itself contains two spots for wirelessly charging an iPhone eight or later (or any Qi smartphone), just like the design of the Twin + Watch stand. The Powerbank has a 9,000 mAh battery, two USB-A ports, and one USB-C charging port on the rear (USB-C to Lightning quick charging isn’t supported). The machine itself additionally helps wi-fi charging, so you possibly can place it on the Twin + Watch stand while not having to mess with wires to gas up the Powerbank extra simply.


ZENS mirrored the design of the Twin + Watch Stand for its new Powerbank, and each equipment have a pleasant rubberized texture on the mat the place you place your iPhone. As a substitute of aluminum on the perimeters just like the stand, the Powerbank has a plastic enclosure that also has a pleasant heft to it.

Identical to the stand, I actually like the straightforward design of the Powerbank. Black is not often a colour I decide to make use of in stands as huge because the ZENS Twin + Watch, however I have been utilizing it since I reviewed it final October, and the one draw back I’ve come throughout prior to now few months is that it’s undoubtedly a mud and fingerprint magnet.

Except you are okay seeing mud and smudges gather on the black floor, it is one thing you may in all probability be wiping down a number of occasions every week, and the identical goes for the brand new Powerbank.

Though the 2 are design companions, there are some quirks when utilizing them collectively. You may’t place the Powerbank onto the stand in such a approach that it takes up each Qi hotspots on the stand. This may trigger the stand’s lights to blink quickly till you progress the Powerbank so it rests solely on one hotspot, at which level it is going to start charging.

This makes the hunt to search out the best angle to recharge the Powerbank a bit awkward, because it’s acquired extra width and size than the stand and all the time hangs off the facet irrespective of which approach you cost it.

Incorrect placement (left) and proper placement (proper)

As a bonus, you possibly can cost the Powerbank on any Qi-enabled wi-fi charger, so if you have already got a bunch of mats mendacity round your own home it’s going to be tremendous simple to position the ZENS accent down and gas it up, though this course of does take a prolonged period of time.

When charging, the front-facing LEDs mild as much as point out its standing, and you’ll press the button on this space to convey up the LEDs when it is not charging and uncover how a lot battery is left. I discovered the Powerbank’s lights to be pretty comfortable and unobtrusive in the course of the night time, similar to the Twin + Wi-fi stand.

As soon as it’s charged, the 7.5 x 4.5 inch Powerbank is not precisely a svelte accent to hold round, so you may actually need to get your use out of its wirelessly charging on-the-go options to justify touring with the machine. In any other case, there are quite a few energy banks which might be smaller, extra moveable, and cheaper than ZENS’ choice, on the sake of not having Qi-enabled surfaces.

Day by day Use

Due to its measurement, I opted to not convey the ZENS together with me on a current journey over the vacations, however I’ve discovered a neat use for it as a mainstay on my lounge espresso desk. I’ve all the time needed to position a Qi charger right here, however its location means wires could be dangling in strolling paths so it wasn’t an choice.

Having a mat I can simply attain to high off my iPhone whereas I am watching TV or enjoying PS4 has been handy, however topping off is the important thing right here, as a result of fully fueling up an iPhone wirelessly on the Powerbank will in a short time drain its 9,000 mAh battery.

In a number of checks, I acquired simply two full fees on my iPhone X earlier than the ZENS Powerbank died. The primary take a look at noticed my iPhone gas up from 12 % to 100 %, then once more from 2 % to 100 %. There was barely any battery left within the ZENS and it shortly died after I went to cost my iPhone for the third time.

The second take a look at fared equally, however offered barely extra cost to my iPhone X with two full fees and one half cost earlier than the ZENS died. Given the wi-fi charging function of the Powerbank, battery waste is probably going an element to contemplate, which means that the total potential of its 9,000 mAh battery wouldn’t straight correlate completely to the iPhone X’s 2,716 mAh battery.

I contacted ZENS to verify there have been no faults with my particular unit, and the corporate knowledgeable me that whenever you take battery loss into consideration, about 2.5 fees for an iPhone X is anticipated. Nonetheless, nearly two wi-fi fees feels low for the Powerbank, and sadly this quantity was across the identical even for direct USB-A charging. I used to be in a position to cost my iPhone X twice by way of a USB cable related to the Powerbank, and sooner or later within the third cost the machine died and fueled up my iPhone X to about 30 %.

With two iPhones wirelessly charging on the identical time, you basically deplete almost all the Powerbank’s battery in a single go. This makes the total potential of the accent much less engaging, because you’d run out of battery lengthy earlier than you have been in a position to absolutely cost 4 gadgets related to the Powerbank without delay (two wirelessly charging and two through USB).

Backside Line

The ZENS Twin Wi-fi Powerbank sports activities the accent maker’s high quality craftsmanship, however the machine as a complete disappoints too typically in its predominant objective to suggest it as an addition to your suite of journey charging instruments, except you really want twin wi-fi charging capabilities.

Wi-fi charging remains to be a novel addition to moveable battery packs, however there are lots of cheaper and smaller 9,000 mAh battery packs available on the market that make the €79.99 Powerbank from ZENS really feel very steep.

ZENS offered MacRumors with the Twin Wi-fi Powerbank for the aim of this assessment. No different compensation was obtained.

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