ESR 3-in-1 Travel Wireless Charging Set with Cryoboost Review

ESR is among the first batch of forward-thinking companies that update all its charging solutions to the 15W Qi2 standard. Its first update was for the popular 3-in-1 travel wireless charging kit, which was first available as 7.5W Magsafe-Compatible Charger and then a 15W Qi2 version.

The company has now refined its Qi2 3-in-1 charger with a cooling technology, which it calls Cryoboost. In fact, this is the second generation of Cryoboost that seeks to solve the greatest efficiency blocking in wireless charging: heat. If a device is too hot or too cold, wireless charging and actually general battery performance are adversely affected.

Cryoboost’s open duct system improves airflow and therefore cooling efficiency. ESR claims that this can reduce connected device temperatures by 42 ° F (5.5 ° C), ensuring more secure and more stable charging. It is intended to keep your phone below 100.2 ° C (38.8 ° C) during charging.

The charging pad is cooled by a fan and ESR has reduced fan noise from 30dB to 25dB – don’t worry, you hardly hear it even if you put your ear right next to it.

Simon Jary / Foundry

Design

This latest version retains the same classic slim 3-in-1 charging stand design as the non-cooled ESR 3-in-1 Qi2 charger with the magnetic charging pad for iPhone raised 4 inches from the desktop. On its base is a 5W Qi charging pillow for your AirPods case.

The charger’s total footprint is small. It measures 3.7 x 3.7 x 7 inches (9.5 x 9.5 x 18 cm) and weighs 12.3 oz (350 g).

On the back of the iPhone charging pad is the charging module for the Apple Watch. This is officially Apple certified for Watch Fast Charging.

Simon Jary / Foundry

Handt you can loosen the Uro charger and take with you if you need to charge your watch while you are away – and see users know that the Apple device needs frequent charging. It can be connected to any USB-C charger or Port-Siger one of your MacBooks Thunderbolt ports.

When carrying the Uradlostrack Unit, remember to tie the lid again to protect the USB-C connector.

Esr

The phone charging module is fixed and it cannot be adjusted in terms of vipping and angling. If you are satisfied with the set angle and do not require further adjustment, this should not bother you, but if you are a telephone fiddler, you may want to look at a more adjustable stand which (albeit to $ 149 much more expensive) twelve South Hirise 3 Deluxe .

Closer to the price is the $ 129 Satechi 3-in-1 Foldable QI2-threadless charging stand, which is much more flexible and actually portable.

The ESR charger comes with a 30W USB-C wall charger and cable. It is available in black or white colors

Simon Jary / Foundry

Performance

The special feature is the cryoboost cooling that ESR claims can reduce temperatures created by the charging process. With a cooler battery, charging should be more effective and therefore faster.

Although I am aware of the effect of high temperatures of the battery performance and have tested enough chargers to know that some can run quite hot, I was skeptical of the allegations. Maybe it was the Kryoboost name that sounds a little too superhero to call true.

In my tests, however, there is no doubt that the ESR 3-in-1 travel wireless charging kit with Kryoboost charged my test iPhone 16 Pro significantly faster than two other wireless chargers that I tested against (an Apple-certified Magsafe, and a Qi2 ).

While both Magsafe and Qi2 support up to 15W in wireless charging, the results were quite clear. Where the Magsafe charger took over two hours to charge the phone to 80% and the standard Qi2 charger a little faster in one hour and 45 minutes, ESR Cryoboost took Qi2 charger just over an hour to recharge the phone to 80%.

Charging times varied – perhaps also down to the temperature – and in a test we charged from 5% to 100% in one hour and eight minutes using ESR. As such, we can say with certainty that Kryoboost technology dramatically reduces iPhone wireless charging times.

Charging brakes when the battery fills up to protect the phone by not that fire hosing power in its battery when it only needs a few percent to reach full charge-the best phase to look at is between 0% and 50%. Using the very fastest wireless charger there is – Apple’s 25W Magsafe Charger – we charged our iPhone 16 Pro from 0% to 50% in just 30 minutes. The 15W Cryoboost 3-in-1 charger only took 10 minutes longer and remember that, unlike the simple Apple charger, it can charge three devices at the same time.

See our reviews and tests of the best Magsafe chargers for more options.

Simon Jary / Foundry

Price

Despite the faster charging and smart refrigeration technology, ESR 3-in-1 Cryoboost charger costs only $ 10 / £ 10 more than the standard Qi2 version: $ 79.99 / £ 89.99 Against $ 69.99 / £ 79.99.

Should you buy ESR 3-in-1 Cryoboost charger?

We liked the robust, yet lighten ESR 3-in-1 travel wireless charging kit, even without the new Cryoboost cooling technology. It is a neat, simple design with the extra handliness of the removable unrestrict charging device. We would definitely recommend spending the small extra amount to speed up the wireless charging times significantly.