Know your mobile device’s amperage and voltage. Voltage is what pulls the energy to the device. If voltage is very high, you might blow out your devices due to overloading circuits. For some mobile devices like Kindle, which charge with USB, the voltage is usually 5V. Laptop chargers could be as high as 20V or 25V. Typically, you may find the voltage your device requires on the device, on the website of the manufacture or on the battery.
The primary concern when looking for cell phone adapters or cables is to ensure that the connector matches your mobile device. For modern mobile devices, some critical specifications are the same.
Other Tips of Buying a Charger for Mobile Phone
Make sure to use the original charger of your mobile device. There’s a reason that when buying a mobile device, it comes with its own charger. It is because every device has its power requirements and has its unique relationship with a charger to ensure proper and safe charge.
Read full article about charger for mobile phone.