Reviving Dead Car Batteries with a Welder: The Ultimate Battery Hack

:zap:Car batteries have six cells, each producing 2.1 volts, connected in series to give 12.6 volts.

:battery:Discharging a battery forms sulfate crystals on the lead plates, reducing capacity.

:fire:Smart battery chargers limit power to prevent overcharging and potential explosions.

:warning:Using a welder on neglected batteries breaks up sulfate crystals and improves battery capacity.

:exclamation:Proper precautions, such as wearing protective gear and ensuring good ventilation, must be taken when using a welder on batteries.

Can any battery be revived using a welder?

—Only lead-acid batteries can be revived in this way. Other types of batteries require different methods.

How long does it take to revive a dead battery using a welder?

—It usually takes multiple 5-minute rounds of charging with a welder to revive a dead battery.

What are the risks of using a welder on batteries?

—The main risks are explosions and exposure to toxic gases. Proper safety precautions should be followed.

Can I use tap water as electrolyte in the battery?

—Tap water should not be used as it contains minerals that can damage the battery. Distilled water is recommended.

What should I do if the battery continues to bubble and smoke?

—If the battery shows signs of excessive bubbling and smoking, it may have an internal short or other issues. Stop the process and seek professional assistance.

00:00Introduction to reviving dead car batteries using a welder.

02:35Explanation of car battery structure and how sulfate crystals reduce capacity.

06:42Why smart chargers are not effective for reviving neglected batteries.

08:17Precautions to take before using a welder, including proper lead connections and good ventilation.

09:44First round of charging with the welder and monitoring battery reactions.

12:51Second round of charging and evaluating battery improvements.

18:17Final thoughts and considerations when using a welder on batteries.