In today's video Your battery will last forever! Revive an OLD battery for portable TOOLS, we'll share an amazing life hack that will help you restore old screwdriver batteries that seem to have served their purpose. This method not only saves your budget, but also helps the environment by reducing the amount of e-waste. *How ​​it works?* Batteries for screwdrivers and other tools lose their capacity and ability to hold a charge over time due to chemical processes occurring inside them. However, if you have a dead battery and a working battery, you can try to revive them. Connecting a good battery to a bad one can help rebalance the charge, which will temporarily restore the old battery's functionality. *Recovery steps:* 1. Take the faulty battery and a fully charged working battery. 2. Connect them together using wires, making sure to connect plus to plus and minus to minus. 3. Leave them for some time (from several minutes to an hour) so that the charge can flow from the full battery to the discharged one. *Why does this work?* When you connect two batteries, charge begins to move from the more charged to the less charged. This can help restore the chemical balance inside a faulty battery, temporarily increasing its ability to hold a charge. *Important Cautions:* - This method may not be safe and may short circuit or damage the battery if not performed correctly. - Always use protective gloves and goggles. - Before carrying out the procedure, make sure that the batteries are compatible in voltage and type. *Conclusion:* We hope that this life hack will be useful for you and you will be able to save money on buying new batteries.