In today’s digital world, a dead phone battery can feel more stressful than misplacing your keys. But did you know there’s a quick and easy way to build your own emergency charger using items you likely already have at home?
In this guide, we’ll show you how to put together a simple, low-cost charger that can come in handy during unexpected situations.
What Exactly Is a Homemade Portable Charger?
A homemade portable charger is a simple device you can assemble yourself to power your phone when there’s no access to a wall outlet. While it’s not a replacement for a store-bought power bank, it can be a lifesaver during power outages, camping trips, or while traveling.
What You’ll Need
An old USB cable (ideally one that fits your phone)
A battery holder (compatible with 2 to 4 AA batteries)
2 to 4 fresh AA batteries
Electrical or duct tape
A female USB port (if not already part of the battery holder)
Step-by-Step Assembly Guide
1. Cut the USB cable
Take a pair of scissors or a utility knife and cut your old USB cable, keeping the USB end intact — this will plug into your phone.
2. Strip the wires
Inside the cut cable, you’ll find several colored wires. Focus on the red (positive) and black (negative) wires, as these are the ones responsible for powering your phone.
3. Connect to the battery holder
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