Everything you need to know about Quad Lock® Wireless Charging products

This is a collection of commonly asked questions about the operation of the Quad Lock Wireless Charger

What are the power requirements of the Quad Lock® wireless charger?

  • Standard charging output 5W - Requires minimum 5V/2A 
  • Fast charging (output 7.5W & 10W) - Requires minimum 9V/1.67A

Most computer/laptop USB ports output 5V, 0.5-0.9A so are not recommended for powering the Quad Lock® Wireless Charger. Minimum power is requirements are 5V 2A but we recommend the use of a QC 2.0/3.0/4.0 (9V 1.67A) power supply as it will provide sufficient voltage and current required for fast charging (9V/1.67A). 

The Quad Lock® dual USB Car charger is a good option for in car use:


What is the difference between standard and fast wireless charging?

Standard wireless charging is 5W, also known as the Baseline Power Profile (BPP). Fast Wireless charging is charging above 5W up to a maximum of 15W and is referred to as Extended Power Profile (EPP). The Quad Lock Wireless charger supports 5-10W wireless charging.   

  • 5W (baseline power profile which works with all wireless charging phones)
  • 7.5W (iPhone 8, iPhone 10)
  • 10W (Samsung S7 onwards, iPhone 11 onwards)

Some manufacturers have implemented their own proprietary extended power profile (PEPP) for their devices. This means unless you are using a charger specifically designed to support that PEPP, you are limited to the BPP of 5W wireless charging.

Apple iPhones running iOS 13.1 onwards only support fast charging on wireless chargers which meet Apples Fast Charging Requirements for Fixed Frequency Charging. Our wireless chargers support Fixed Frequency Charging from model number QLA-WCH-2 | FW3 onwards but it must be powered by 9V 1.67A power supply to achieve fast wireless charging. 

Wireless charging Speeds seem slower than charging via a cable?

Yes, unfortunately, even fast wireless charging is slower than an equivalent wired charger of the same wattage. This is because wireless charging is only 70-80% efficient meaning 20-30% of the power is lost during the wireless transmission process.

Why are the LED light's flashing Green? 

This indicates that the wireless charger is not getting sufficient power to provide an optimal charge rate. It will still charge, but at a lower power level. We recommend using a power supply with a minimum of 5V/2A for normal wireless charging and 9V/1.67A for fast charging. 

The Quad Lock® dual USB Car charger is a good option for in car use:


Why are the LED light's flashing Blue?

Flashing blue indicates an error. Common errors include:

  1. A foreign object is detected, IE: metal object placed on the charging head, or a phone that does not support wireless charging.
  2. The charger is overheating. Once it cools down it will reset this error and continue operating. If you are getting this error when using the charger in car we recommend positing the charger near an A/C vent to help cool the device/phone during use.

My phone gets hot when using the wireless charger? 

Wireless charging is only 70-80% efficient so the additional 20-30% of energy is converted into heat. In normal conditions this is not usually a problem, however using the wireless charger in your car in direct sunlight can compound the temperature and cause some phones to overheat.

Apple's guide to temperature regulation recommends keeping your phone out of direct sunlight or operating in a hot vehicle.

If this happens remove your phone from the charger and allow it to cool before further charging. If possible, positioning the phone/charger near an A/C vent can help keep the phone and charger cool. 

Why don't you recommend the use of the Universal Adaptor with the Quad Lock® Wireless Charger?

The thickness from the Universal adaptor plus the phone case can create a too large distance between the wireless charging coils for the charger to work efficiently. Additionally we cannot guarantee the alignment of the adaptor on the case/phone which can impact the charging performance. 

My USB-C cable falls out during use? 

When the USB-C cable is inserted correctly you will hear a 'click' and feel it lock into place. If it falls out during normal use, it is most likely that it has not been inserted all the way into the socket.  

If you have any further questions or concerns please submit a support request.

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