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Currently viewing: Reviving a Dead Battery

Reviving a Dead Battery

The Battery Life Saver electronic device can be used to revive a dead battery that has accumulated too much build up or has been allowed to sit unused for several months.

However, it will not work on one that has one or more shorted cells. See the "How Can I Tell if It's Working" page for details on shorted cells and how to tell if your battery has them.

This procedure works for a car-auto, deep cycle, marine and all other lead acid battery applications.

  1. A dead battery is one that will not take a charge. Either the charger will not even turn on or the charger can be left on the battery for several days and still the battery will not provide any power. See the Technical page for a detailed technical explanation of why this happens.

  2. It takes several days to a week to revive a dead battery, depending on how far south it is.

  3. Use The Battery Life Saver electronic device-12/24-B and a good automotive battery charger. Preferably it should be a manual type with a rating of 6 to 10 amps. It is best to use an old fashioned battery charger, not one of the newer high tech Smart Battery Chargers for this purpose. Connect both The Battery Life Saver electronic device and the charger to the battery, paying attention to the polarity.

  4. Charge the battery with The Battery Life Saver electronic device attached until the voltage is at least 12 volts or until fully charged. Check the voltage with the charger turned off. Use a volt meter (available from Radio Shack) or the battery tester available on this web site.

  5. Let The Battery Life Saver electronic device run without the battery charger for a period of time. DO NOT LET THE VOLTAGE GO BELOW 9.5 VOLTS.

  6. When the battery voltage is between 9.5 and 10 repeat step 4 then 5.

  7. Work back and forth between 4 and 5 until the battery comes back up to operational condition.

  8. See "How Can I Tell If it Is Working" for details on how to determine if the battery is in usable condition.

 

Vector Products Customer Service:

 Phone: 1 (800) 618-5178
For Vector Products Support and Customer Service, please contact Black & Decker at 1-800-618-5178. Select the "Customer Option", then state the word "Operator" to speak to someone quickly. Their hours are 8 a.m. to 4 p.m. EST.


Battery Life Saver Contact Information

Email: bls @ batterylifesaver.com

Phone: (727) 446-8400
Toll Free: 866-301-8835
Fax: (727) 446-8900

936 Cleveland St. Unit C, Clearwater, FL 33755

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INVENTIONEERING® is a registered trademark owned by Charles A. Van Breemen
The BATTERY LIFE SAVER™ electronic device is a trademark owned by INVENTIONEERING® and is used with its permission.