How many things do you own that require a USB charger? Probably quite a few. And every day, more and more electronic products are arriving with USB charging. So you need to find a suitable charger. You can save time with a multi-port output design that eliminates the need for other plugs, leaving you with more free sockets for charging. With such obvious benefits, find out what you need to consider when choosing a USB charger!

Power charging

Voltage (Volts V) multiplied by current (Amps A) equals power (Watts W). When charging an electronic product at high power within a safe load range, the charging time is much reduced. In short, the higher the charging power, the faster the charging speed.

Number of output ports

The more electronic products you have, the more output ports you need. At present, chargers with 1 to 10 ports are available. This allows you to charge up to that many products at the same time. Check the maximum total output power indicated on the charger, as power needs to be shared with the output current chip.

If you charge all your devices at the same time, the current will be divided between them and so will be less than the maximum power indicated. So having more output ports may not be the main issue, so you need to consider your needs. Simply decide how many electronic products you need to charge at the same time.

Type of output ports

Most products currently have Type A charging cables, but it is only a matter of time before these are switched to the higher current Type C. Choose a USB charger based on the cables and products you already have, or get one that includes both types of output to prepare for the new USB 4.0 era.

Charging cables

If you want to use a high output charger to juice up an appliance fast, you need a charging cable. If you want to charge a computer, you need a cable that supports 5A to achieve fast results, while 3A is sufficient for mobile phones and tablets.

 

Usage tips

 

Will high voltage damage an appliance?

Generally speaking, no. The charger and the appliance are able to detect each other. The charger emits supply information, and the appliance emits a voltage and current that it can handle. If there is no suitable match, the appliance's protection mechanism auto disconnects with the charger. Because the quality of different chargers and appliances vary, choose a reputable product that has a conversion and protection mechanism. If the power of the charger is less than required by the appliance, it takes longer to charge, and overloading may occur.

How will I know if a product is reliable?

Buy from a reputable retailer. The product should have the manufacturer's name, model number, voltage, power and current details.

What safety precautions should I be aware of?

• Do not leave the device unattended while sleeping or when out.

• Turn off and unplug the USB charger after charging to avoid standby power consumption and keep your electronic devices separate from the charger.

• If the USB charger is overheating or charging for long periods of time, it may overload and should be replaced with a higher output model.

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