PD3.1 & Xiaomi 120W Protocol | Meet the CUKTECH 140W GaN charger

Introduction

Focuse on next-generation portable charging and power supply services, CUKTECH offers a wide range of products, including power banks and chargers. One of its popular products is the CUKTECH No.20 PD3.1 Power Bank 25000mAh 210W, which is designed to supercharge your MacBook Pro and other devices. And we did a teardown video for it, you can click here to check it out.

However, despite the early launch of PD3.1-supported power banks, their chargers had yet to equip this latest charging standard. In December, CUKTECH addressed this gap by releasing its first 140W PD3.1 charger, filling this void. ChargerLAB promptly acquired this product, and here, we provide a brief overview, with more comprehensive teardown and review videos to follow.

PD3.1 & Xiaomi 120W Protocol | Meet the CUKTECH 140W GaN charger-Chargerlab

The CUKTECH 140W GaN charger, model AD1404U, boasts a sleek silver-grey base complemented by a black top, featuring CUKTECH's signature pulsating blue accents, exuding a tech-forward feel. Its foldable plug design facilitates travel convenience, supporting 110-240V~50/60Hz wide voltage, ideal for cross-regional travel.

3C1A Configuration

In terms of port configuration, the CUKTECH 140W GaN charger is equipped with four output ports in a 3C1A setup, favoring multiple USB-C ports that suit today's diverse electronic devices. Both blue USB-C1/C2 ports support the PD3.1 fast charging standard, delivering a maximum of 140W rapid charging independently. Users do not need to memorize specific specs, as both ports perform identically, simplifying usage. USB-C3/A1 supports 33W multi-protocol fast charging. For multi-device charging, it accommodates power configurations like 100W+33W, 65W+45W, 45W+33W+33W, enabling simultaneous charging of up to four devices.

PD3.1 140W – Fulfilling MacBook Pro Requirements

This charger incorporates the essential 28V5A extended voltage value necessary for full-power charging of the MacBook Pro 16". Additionally, it is backward compatible with the common PD3.0 fast charging standard. Both USB-C1 and USB-C2 ports offer voltage values of 20V5A, 15V3A, 12V3A, 9V3A, 5V3A, supporting two sets of PPS: 5-11V5A and 5-20V3A.

Excellent Compatibility with Xiaomi Proprietary Protocol, PPS

CUKTECH, closely associated with Xiaomi, benefits from an inherent advantage concerning Xiaomi's proprietary protocol. Its USB-C1/C2 ports support mi TurboCharge 120W protocol, charging the Xiaomi 14 Pro in just 18 minutes. Moreover, CUKTECH's Adapt Charge, developed in-house, boasts compatibility with mainstream devices, supporting various fast charging protocols like PPS, PD, QC, AFC, FCP, catering to devices from Samsung, Apple, OnePlus, and more.

GaN+PFC+LLC Advanced Architecture

The CUKTECH 140W GaN charger employs an efficient third-generation GaN chip and advanced PFC+LLC architecture, condensing this four-port high-performance charger to nearly the size of a hundred-watt single-port charger. Sized at 79.38 x 65.04 x 32.18mm, despite having more output ports, it occupies only 80% of the volume of Apple's 140W single-port charger, achieving a power density of 0.84W/cm³.

Long-Term Stable Output under Full Load

Designed for prolonged high-power stable operation, this charger considers comprehensive heat dissipation measures. Internally filled with high-density thermal conductive compound, it ensures sustained full-power output, ideal for prolonged use as a laptop adapter. With built-in over-temperature, over-voltage, over-current protection, NTC surge protection, it effectively mitigates charger-related safety risks.

For durability, it passed 10,000 folding foot tests, 5,000 plug tests for USB-A ports, and 10,000 plug tests for USB-C ports, ensuring long-lasting durability.

Summary of ChargerLAB

The CUKTECH 140W GaN Charger features a 3C1A setup with four ports, supporting charging for up to four devices simultaneously. Both USB-C1/C2 ports independently support PD3.1 140W fast charging, delivering full-power for the MacBook Pro 16". Moreover, USB-C1/C2 also supports Xiaomi's 120W proprietary fast charging protocol, offering Xiaomi users a high-performance fast charging experience.

Compared to common high-performance chargers in the market, the CUKTECH 140W GaN charger is designed for sustained high-power output. Utilizing an efficient GaN+PFC+LLC architecture and enhanced thermal conductivity, it can operate at full power stably for extended periods, serving as a reliable laptop power adapter.

Currently, this product is exclusively available on the CUKTECH official store in China. Stay tuned to ChargerLAB for the latest updates if you're interested in this product.