Got another battery to mess with.... lets see how it does...any interesting facts will be in description battery voltage started at 11.7 right off the charger 1/25/14 well got it off the charger. A sulfated battery is the most common malady of a dead battery, but as long as an used lead acid battery is mechanically sound, a sulfated battery can be revived.. Bring dead lead acid battery to live again: to day we will learn how to bring dead sealed lead acid battery to live again this method i tried with alot of dead and expired batteries and 90% of them back to work again p.s : this method may be not bring the battery to full performance of the....
Restoring lead acid batteries this page will guide you through process of restoring an old, sulfated lead acid battery to like new conditions with almost no investment. the only required materials are a dead battery, distilled water and a homemade battery rejuvenator.. That battery was died. i have another one. 12v 1.4ah maintenance-free sealed lead-acid and dry. i fill the cells with rain water. wait for 24 hours. and charge it with 15v. in first minutes it takes just 0.1a (100ma) from power supply. but in 3 hours it reached to 2.15a. when it was on 2.15a it seems like boiling water inside of battery and. For a 2 volts cell, this comes to 167 watt-hours per kilogram of reactants, but a lead–acid cell in practice gives only 30–40 watt-hours per kilogram of battery, due to the mass of the water and other constituent parts..
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