The biggest wins for making your phone battery last longer are lowering screen brightness, switching on low-power mode, and cutting background activity from apps you barely use. Do just those three and most phones gain hours of extra life. Below are 12 tips that genuinely move the needle – no myths, just things that work on any modern Android or iPhone.
We have all been there: it is 3pm, you are at 20%, and there is no charger in sight. The good news is you do not need a new phone to fix this. A few small habits make a real difference.
1. Turn down your screen brightness
Your screen is the single biggest battery drain, hands down. Knock the brightness down a few notches and switch on auto-brightness so it adapts to the light around you. You will barely notice the difference visually, but your battery will.
2. Use Low Power or Battery Saver mode
Both Android and iPhone have a one-tap mode that trims background activity and dials things back. You do not have to wait until 20% – flip it on early on a long day and stretch your charge much further.
3. Shorten your screen timeout
If your screen stays lit for two minutes every time you check it, that adds up fast. Drop the auto-lock to 30 seconds.
4. Rein in background app refresh
Plenty of apps quietly update themselves in the background. Go into your settings and turn off background refresh for the ones you do not need fresh the second you open them.
5. Switch off always-on display and “Hey” assistants if you skip them
An always-on screen and an always-listening voice assistant both sip power around the clock. If you rarely use them, turn them off.
6. Prefer Wi-Fi over mobile data
Your phone works harder to hold a cellular signal than a Wi-Fi one, especially when the signal is weak. On Wi-Fi where you can, your battery lasts noticeably longer.
7. Turn off location for apps that do not need it
Does a shopping app really need your location all the time? Set location access to “While Using” or off for apps that do not genuinely need it.
8. Keep your apps and OS updated
Updates often include battery and efficiency fixes. Staying current is a free, easy win.
9. Keep it cool
Heat is the enemy. Modern lithium-ion batteries hate high temperatures, so keep your phone out of direct sun and off hot surfaces – and never leave it baking in a car.
10. Use dark mode on OLED phones
If your phone has an OLED screen (most newer ones do), dark mode genuinely saves power because black pixels are simply switched off.
11. Trim unnecessary notifications
Every buzz lights up your screen. Turning off notifications for noisy apps saves a surprising amount over a day.
12. Carry a power bank for the heavy days
Some days you just need the phone all day, and that is fine – a good power bank is the safety net. If you are shopping for one, our guide on what power bank mAh actually means helps you pick the right size, and you can even charge a laptop from a power bank with the right one.
Frequently asked questions
Does closing background apps save battery?
Usually not. Modern phones manage background apps efficiently, and force-closing them can actually use more power when you reopen them. Leave them be.
Should I let my battery drain to 0%?
No. Lithium-ion batteries last longest when you keep them roughly between 20% and 80%, rather than running them flat or holding them at 100% for hours.
Does dark mode really save battery?
On OLED screens, yes – black pixels are turned off entirely. On older LCD screens the saving is minimal.
Try a handful of these today and you will feel the difference by this evening. Your battery does not need replacing nearly as often as people think – it just needs better habits.
Kafi writes about smartphones, wearables, and the everyday gadgets that fill our pockets and desks. He has a soft spot for budget devices that punch above their price.