About this fake low battery screen
The fake low battery screen generator recreates the alert everybody dreads: an iPhone-style 'Low Battery' popup or an Android Battery Saver prompt, showing whatever percentage you type. Choose 20%, 1% or an impossible 0% and pick light or dark mode. Change the number any time and the wording in the alert updates to match.
It's the classic harmless prank for a friend who always borrows your charger, and a handy prop for videos and memes. The image is created in your browser, nothing is installed on anyone's phone, and every export carries a small Prank watermark. Export at 3x so the alert stays crisp on any screen.
How to make a fake Low Battery Alert (for fun)
- Pick a prank idea. Start from one of 5 ready-made ideas, or keep the default low battery alert.
- Edit the details. Change names, avatar, messages, times, counts and theme in the Content panel — the preview updates as you type.
- Check the preview. On a phone, switch to the Preview tab; the mockup scales to fit your screen.
- Download or share. Save a PNG or JPG at 2x or 3x, copy it, or share it straight from your phone. Then reveal the joke!
Low Battery Alert prank ideas
One click loads each idea into the editor above — then make it yours.
What you can customise
- iPhone-style low battery popup
- Android Battery Saver-style prompt
- Any battery percentage you like
- Light and dark themes
- Presets such as '1% panic' and '0% and still going'
- Copy image or download PNG/JPG
- One-click prank presets to start from
- Autosaves in this browser — nothing is uploaded
- Download PNG or JPG at 2x or 3x resolution
- Copy the image or share it straight from your phone
Good ways to use it
- A cheeky reply when someone asks why you didn't text back
- A prop shot in a comedy video
- A meme about phone-battery anxiety
- A design example of system alert dialogs
Keep it a joke. Mockly makes parody images for fun. Never use a mockup to deceive, defame, harass or defraud anyone, and don't pose as a real person's or brand's official account. Every export carries a small “Prank · altftool.com” watermark. Not affiliated with Low or any app shown.
FAQ
Can I set any battery percentage?
Yes, type any number. The alert text updates to show it.
Does this change my real battery?
No. It only makes an image of an alert; your phone is untouched.
Is it okay to use a fake low battery screen?
As a lighthearted joke, absolutely. Just don't use it to dodge something important or mislead anyone in a way that causes harm.
Is there a watermark?
Yes, each export includes a small 'Prank · altftool.com' watermark.
Is the Low Battery Alert generator free?
Yes. It is free with no sign-up and no limit, and it runs entirely in your browser — your text and images never leave your device.
Will people know it's fake?
They should. Every image carries a small “Prank · altftool.com” watermark, and a good prank is revealed quickly. Mockly is for parody and fun, never for deceiving anyone.
Is it legal to make a fake Low Battery Alert screenshot?
Making a parody image for a joke is generally fine. Using one to deceive, defame, harass, impersonate or defraud someone can be illegal and breaks every platform's rules — so don't.