Additionally, an equalizing charge will ensure the cells operate with the same level of charge rather than having some cells that are overcharged and some that are undercharged. Both of these factors will help the battery charge and perform better, as well as last longer. How Is An Equalizing Charge Applied To The Battery? The Easy Way (Use Automatic Equalizing Mode On A Battery Charger): The easiest way to apply an equalizing charge to a lead-acid battery is to use a high-quality battery charger that has an automatic equalizing mode. Many new battery chargers have this setting so finding a quality charger that can equalize your battery shouldn’t be a problem. If you do use a charger that has an equalizing mode, just make sure you leave your battery connected and powered up long enough to complete the equalization. View our Free Presentation to learn how to bring old batteries back to life again