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Guide to Everything that Affects Smartphone Battery Life

Whenever we plan to spend a significant amount of time outside and away from the comfort of our homes, we always carry our power banks. It has been claimed by experts that we have become overly-reliant on our mobile devices, and that isn’t an incorrect observation either. 

From the moment we wake up in the morning, we depend on our smartphones to navigate us through the day. From communicating with our friends, peers, colleagues and bosses, to ordering things online, and even depending on our phones to find our way when we get lost, we arguably depend on our smartphones more than we depend on anyone — or anything else.

This is why we start panicking when we observe the dreaded ‘battery low’ notification on our mobile phone screens. Over the years, smartphone manufacturers have understood the importance of offering bigger batteries that would last longer, resulting in most of the latest models carrying at least 4,000mAh – 5,000mAh batteries. 

However, that does not necessarily mean that they are going to last for a day or more. Depending on how much we use our smartphones, and for what purposes, they can either last for a day or more, to just over 12 hours.

To help you understand what affects the smartphone battery life, we list a few factors that have a considerable say in how long the battery lasts.

Battery size

First and foremost, it is important to purchase a smartphone with a decent battery size. The latest smartphone models in the budget and mid-range segments come with a battery capacity of 4,000mAh – 5,000mAh, while a few mobiles under 10000 INR come with mammoth 6,000mAh batteries as well. These large batteries come with more charge cycles, which not only improves the battery performance, but also ensures that the batteries perform at their peak for longer periods.

Display

A smartphone’s display can affect the battery life of a smartphone in multiple ways. These include:

  • Display size: This is rather intuitive; the bigger the display size, the more power it requires to be lit up. A 5,000mAh battery mobile can last longer as compared to a 4,000mAh battery or less, as it can easily supply the power required to light up the screen.
  • Display resolution: For instance, displays with 1440p resolution tend to have around 77 percent more pixels, as compared to a 1080p display. This means that more processing power (and hence, more battery) is required to render the extra pixels.
  • Brightness: This is also fairly intuitive; the brighter the screen, the more power it needs. This is one of the reasons why experts advise smartphone users to reduce their phone’s brightness unless it is absolutely necessary.
  • Refresh rate: A phone’s refresh rate is the number of times a screen refreshes every second. While some smartphones come with 90Hz refresh rate, others come with 120Hz or even 60Hz refresh rates. Therefore, the phone with 120Hz refresh rate refreshes 50 – 100 percent more frequently than a phone with 60Hz refresh rate, thereby needing more processing power, and hence, strains your smartphone battery.

Connectivity options

Connectivity options like cell phone signal, data, Wi-Fi, Bluetooth and location services can also affect your battery life. These connections drain your battery in multiple ways. Hence, mobile phone users are often advised to turn off their connectivity options when they aren’t being used.

Processor

Certain processors are more energy-efficient than the others. A phone’s processor is easily its most important component. The processor’s clock speed, CPU governors and voltage have a significant say in the phone’s battery life.

For instance, the Qualcomm Snapdragon 855 SoC is faster and more energy-efficient than its predecessor, the Snapdragon 845 chipset. Similarly, the Snapdragon 865 chipset is more energy-efficient than both Snapdragon 855 and Snapdragon 845 chipsets.

Camera

Smartphone cameras have separate hardware, and require more power to operate, especially if they come with moveable parts (such as pop-up cameras and/or motorized cameras). Furthermore, while using your camera, you have to use the display and the processor, which drain more charge. Last but not least, modern phones come with post-processing facility, which require additional processing power.

Apart from these, the additional hardware of smartphones, along with specific functions also affect the battery life. For instance, if you’re listening to music, it drains the phone battery. Purchasing a 5,000mAh battery mobile, or a 6,000mAh battery mobile phone can effectively take care of such issues.

If you want to purchase a new mobile phone  that comes with 5,000mAh – 6,000mAh batteries, but do not have the finances, you can still buy your favourite model by using the Bajaj Finserv EMI Network Card. The EMI Network Card allows you to pay for your purchases in easy EMIs, with flexible tenors ranging from 3-24 months.

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