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Extending Android battery life – three things you need to know

At Vodafone, we’re building digital societies where everyone is connected – but that should not come at a cost to the planet.

Smartphones are a critical part of our business. Unfortunately, smartphone batteries do not last forever. They are complicated bits of technology, designed to last a specific number of charge cycles – the number of charge times from zero-power to full-power before their capacity falls to below 80%.

When does my phone battery need to be recycled?

Common signs your phone battery may be on the decline include:

  • Your device is losing power fast, even if you’re not using it

  • It’s failing to charge completely

  • It’s losing charge straight away – the moment you remove the charger, battery level drops from 100% to around 90% or 80%

  • It’s getting (very) hot when charging. (If your phone is starting to bulge or swell, stop using it immediately and take it to your local Vodafone store for a check-up).

Luckily for Android users, there are a series of features that can be activated to help extend battery life between charges and increase the lifespan of a device. This ultimately means fewer old phones being recycled and less new phones being produced, helping create a more sustainable, circular economy for the smartphone market. 

Extend Android battery life

Here’s three simple features you can activate to help extend Android battery life.

How to use Android Adaptive Battery & Brightness to save battery life

Android’s Adaptive Battery feature learns how you use your device and prioritises battery power for the apps and services you care about. This limits the drain on your battery from apps you don’t use as often, even when your phone is locked or put away.

Extend Android battery life adaptive battery

Adaptive Brightness works in a similar way, automatically adjusting your screen brightness to match your environment (e.g. outdoors, indoors, day, night) and activity (e.g. gaming, streaming, searching).

Extend Android battery life adaptive brightness

Together, these features help monitor your device activity and help optimise its health.  Here’s how to switch them on:

How to turn on Dark Theme for Android and Google Maps

The empty white space within apps on your phone display can drain battery power.  Android’s Dark Theme helps solve that problem by turning your phone and app backgrounds black.

Here’s how to turn it on:

Extend Android battery life dark theme

Android’s Battery Saver

This feature allows you to manually control when your phone reserves its battery power – particularly useful if your battery is getting low and you don’t have access to a charger.

You can adjust the settings to suit your preferences.

Here’s how to activate it:

Extend Android battery life dark theme

Doze Mode (automatic)

Doze Mode helps extend battery life by managing how apps behave when a device is not connected to a charger.

Doze Mode does this by reducing battery consumption when a device remains unused for a long period of time.

Your device enters this mode automatically when it’s not being used.

Small steps can make a big difference when it comes to looking after our planet.  Activating simple features on a smartphone to extend battery life can help increase its total lifespan. This in turn can help reduce global demand for new smartphones to be produced and contribute to a more sustainable, circular economy for mobile devices.

Vodafone is committed to addressing the climate emergency and mitigating the environmental impact of our business growth wherever possible.

You can learn more about Vodafone’s commitments to protect the planet here

Learn more about Google's commitment to sustainability here

Google, Android, Google Play and Google Chrome are trademarks of Google LLC.

  • Mobile
  • Planet
  • Smartphone
  • Sustainability
  • Technology

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