How Many Watts Should A USB Wall Charger Have For Fast-Charging – See Here!

We all want our USB devices to charge as quickly as possible. Even with a fast-charging cable, unfortunately, we are still limited by the wattage provided.

Every USB port has a certain wattage specification. For example, a PC USB charging port will deliver 2.5 watts of power. This used to be quite good but is very minimal today. If you are purchasing a USB wall charger, consider the wattage.

5W USB Wall Charger

An average USB wall charger is five watts. A 5W USB wall charger is a great universal single-port connection for iPhones, Samsung, LG, HTC, Motorola, and other devices.

Five watts is respectable. It is the current charging standard though is not marketed as ‘fast-charging’.

Please note that your device will work on a 5W charger just like it will a 10W charger or anything more. No device is strict to any sort of wattage and most USB chargers have various design protections which should protect what’s being charged.

To anyone who bought a phone pre-2019, the standard charger that comes with an iPhone or Android is equipped for 5 watts of power.

5W Universal USB Single Port Wall Charger, Foldable Plug, 5V 1A, White – PrimeCables® – 2/Pack

10W USB Wall Charger

One of the best USB wall plugs today is double the wattage at 10W USB wall charger. Also a universal single port connection, it functions a lot of the same way and operates at a slightly higher DC output and AC input.

The more wattage you have going, the more risk that a device can be damaged. This is why chargers incorporate various mechanisms to prevent overcharging, such as over-current protection, over-voltage protection, short circuit protection, over-heating protection, overload protection, surge protection, over-charge protection, and under-voltage protection.

Universal USB Dual Ports Wall Charger, 10W 5V 2.1A, Foldable Plug, White – PrimeCables® – 1/Pack

The latest generation of phone chargers that have come out in the past two years provides 12 watts of power.

A smartphone that is dead can go from zero to 100% in nearly 90 minutes with a 12W charger combined with a USB Type-C cable.

A plug that is 10-12 watts will charge a phone up to 4 times faster than normal. This is very impressive, although again one must have the right device and the right cable. There are numerous variables at play, besides the wall charger.

Fast-charging USB chargers are available today on sale from While you’re shopping USB accessories, consider cables, adapters, and other items you may want to support your devices. Get it all at for iPhones, Androids, Samsung, LG, HTC, Huawei, and others.

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