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Energear 65W PD Charger

by Energear

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Charge the Latest Thunderbolt and Type-C Notebooks with the Energear 65W PD Charger with Type-C port

The Energear 65W PD Charger is one of the first USB Power Delivery chargers in Japan to have earned the USB Certified Charger logo. This logo indicates that the Energear 65W PD Charger has been thoroughly tested to pass the USB compliance test specs and should have a high degree of interoperability charging USB compliant notebook PC's, tablets, and phones in a reliable manner.

The logo shows "65W", meaning it supports up to 65W power output over its USB Type-C connector. Such a high power rating allows you to support most notebook PC's out there as well as fast charge USB Power Delivery enabled phones like the iPhone 8 and iPhone X.

The Energear 65W PD Charger supports these power profiles: 5 volts @ 3 amps, 9 volts @ 3 amps, 12 volts @ 3 amps, 15 volts @ 3 amps, and 20 volts @ 3.25 amps. The input voltage ranges from 100V-240V allowing you to use the Energear 65W PD Charger during international travel as a single main charger that can power your phone, tablet, and notebook PC.

The package content includes a 65W USB-C charger, a 6 feet USB certified USB-C to USB-C charging cable and a user manual. 

There are two colors that you can choose from for the Energear 65W PD Charger- black and white. There's only a single USB Type-C port and a detachable AC plug.


We used the USB Power Test App from Granite River Labs with the Granite River Labs USB Power Delivery Compliance C2 Tester to generate the following test results for the Energear 65W PD Charger.

The USB Power Test App first negotiates a power contract for every PDO supported by the Energear 65W PD Charger, and increases the load gradually to find the threshold where over current protection (OCP) kicks in and voltage and current starts to drop for safety reasons.

Port1 Plot

The USB Power Test App also reports out all the PDO's supported by the Energear charger and their OCP thresholds. OCP thresholds for the Energear charger are set at about 13-20% above the maximum current levels for the fixed PDO's.

PDO#1 Fixed: 5V 3A3.4
PDO#2 Fixed: 9V 3A3.43
PDO#3 Fixed: 12V 3A3.41
PDO#4 Fixed: 15V 3A3.41
PDO#5 Fixed: 20V 3.25A3.67

The USB Power Test App takes this data to produce an I-V curve which graphically shows the relationship between voltage and current for each PDO.  We can observe as the current increases beyond the OCP threshold, the voltage immediately shuts off.

IV Curve

The USB Power Test App can also use the Granite River Labs USB Power Delivery Compliance C2 Tester integrated with the GW Instek APS-7100 programmable AC power supply to compare the charger's power output vs power input so that power efficiency can be measured and compared to regulatory limits from United States of Energy (DOE) Level VI or European Union's CoC Tier 2 requirements. We can repeat the power efficiency tests for different PDO's, current load conditions, and different AC input ranges, allowing us to get a complete picture of power efficiency ranges across all different usage scenarios.

We will be testing the Energear 65W adapter with several USB Power Delivery enabled products in the market to see how the charger performs.

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