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Katherine Mack January 31, 2023 2 min read

Charging Your Phone for Improved Battery Life

When it comes to charging your phone, there are many different solutions available. It can be difficult to know which ones are right for you and your device. In this blog post, we will look at the differences between direct USB charging and wireless inductive charging, and how they each affect battery life.

Direct USB Charging

Direct USB charging is the traditional way of charging a smartphone or other portable device. It involves plugging a USB cable into the device itself and then connecting it to a power outlet with an AC adapter. Direct USB charging typically allows higher currents than inductive charging, so it will charge your device faster but also put more strain on the battery over time.

Wireless Inductive Charging

Wireless inductive (or contactless) charging is becoming increasingly popular as more devices support it. This type of charger uses an electromagnetic field to transfer energy from the charger to the phone without any physical contact between them. Because inductive chargers use lower currents than direct chargers, this means that they will charge slower but not put as much strain on the battery—which can improve battery life in the long run.


When deciding how to charge your phone for improved battery life, both direct USB and wireless inductive charging have their advantages and disadvantages. Direct USB chargers are more convenient, as they allow you to charge your device quickly without having to worry about cables or positioning it correctly on a wireless charger pad. However, wireless inductive chargers use lower currents which may help improve your battery life in the long run. Ultimately, it's up to you which one you choose based on your preferences and needs!

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Katherine Mack

Katherine Mack has over 38 years of experience in designing and developing custom battery systems for industrial and medical OEMs requiring portable power. For the past 20 years, she has been the Vice President of Sales & Marketing for Rose Electronics, a high technology battery pack assembler. Over the years, Katherine has focused her career particularly on portable cell chemistries, cell vendors and smart battery solutions. She was a member of the IEEE P1625 Working Group for establishing Safety Standards for Mobile Computing and has given several web based battery seminars in conjunction with Texas Instruments. She has presented papers at Microsoft's WinHEC and IQPC's Battery and Fuel Cell Technology Conference, and has published several articles and white papers for Battery Power Products and Technology Magazine, Electronic Component News, and Medical Design & Development Magazine. Katherine holds a Bachelor of Arts in Business Administration from the Honors College at the University of Oregon.