Dewalt Lithium Ion Battery Repair

Can You Use Any Charger With Any Mobile Phone, Laptop, Camera, or Tablet? 

Every mobile phone, notebook, and tablet seem to come with their own charger.  If you are like me, you’ve probably compiled quite a few chargers over the years.  So the question becomes: is it safe to use a charger with your phone, laptop, camera, or tablet computer that isn’t the original manufacturer’s charger that came with the device?

Kinds of Chargers

In this guide, we will concentrate on three types of chargers: notebook chargers, micro USB chargers (these are used with telephones, tablets, and cameras), and Apple Lightning Connectors.  Although some devices have chargers using a slightly different head or charging cable, these are the most common.

Laptop chargers are fairly unique to the device they include.  However, there may be some generic chargers that boast the capability to be interchanged between notebooks.  This always requires changing of the charger”head” and may not be the optimal charging amperage or voltage to your device.

Micro USBs are theoretically designed to be interchangeable, and are standard in most smartphones, Android devices, and tablets.  Micro USB chargers typically have the same voltage, but may draw various amps.  I’ll explain this further later and how to know whether the charger is safe to use (based on its recorded amps and voltage).

For older devices using a 30-pin charge interface, a connector can be used to charge with the Lightning Connector.

In order for a charger for use on a different device, it’s essential that the plug  of the charger (the”head”) fit snugly to the charging port of the device.  Micro USBs are the same across the board as far as charging heads, whilst laptop chargers are usually specific to both make and model.  However, the plug fitting firmly is just one part of this equation.

How Voltage and Amperage Matter

Somewhere on the power brick of the charger you will get a tag with the charger’s voltage (V) and amperage (A).  For other types of chargers, like a smartphone charger, this information is usually found at the bottom of the charger, where it would meet up with the wall.  For the device you’re trying to charge, the voltage and amperage required will be seen on the battery that came with the device or on the company’s website.

Voltage is how much power the charger will draw into the device, or how much is being”pushed” into the apparatus by the charger.  A phone will usually pull up to approximately 5V, though a laptop can pull up to 25V.  A charger must equal the voltage needed by the device. 

Amperage is how quickly power is”pulled” to the apparatus, or how much electricity is used by the device.  The quantity of volts will never change, but the quantity of amps that the system pulls may change based on how hard the device is working.  The number that you find on the battery that came with your device are the maximum amount of amps that may be pulled by the device.  If a unit is paired with a charger which can’t support the amp necessity, it may burn out the power source and kill the device.

So for those who have a modern USB device (smart phone, tabletcomputer, or camera) you can plug into a high-amperage USB port and enjoy quicker charging (so long as the voltage is equivalent ).  *Website Note: if you have an older device, it may not work with USB ports that use the new Battery Charging Specification.

If The Micro USB  Charger’s Voltage Is Not 5v…

Some devices might have their voltage recorded using a plus/minus on it like this: 5v +- 5%.  If this is true, you may use a charger rated at 4.75 to 5.25v because that score is telling you is that the apparatus can take 5v minus 5% of 5v = 4.75 volts  OR  5v and 5 percent of 5v = 5.25 volts. 

An interesting thing to note is chargers supply a higher voltage than the batteries that they charge.  That’s pretty much how they operate.  There needs to be a voltage differential to generate the necessary current flow in the correct way to charge the battery.  When you look at your vehicle, it has a 12V battery, but average alternators provide 13.8 to 14.4V charging voltage to the battery.

Stay Away From Cheap Knockoff Chargers

The problem with knockoffs, especially cheap knockoffs, is they frequently don’t support the power requirements of the device, or aren’t built to keep a steady flow securely.  This can cause damage to the device but can also pose a safety/fire hazard. Overall, it’s better to stay with the charger designed for the device you are using.

Now You Know How To Safely & Effectively Swap Chargers

I hope this article was able to assist you.  Now you know how to safely and effectively use a charger that did not come with your smart phone, laptop, camera, tablet, or other device.  Be sure to follow what we said and you should be ready to go!