|Today’s batteries are better than ever, and so are the devices that regulate and protect them. It is important to do your homework, however, when it comes to getting the right batteries and maintaining them. Flooded lead acid Dry Battery are more economical and tend to last longer than sealed batteries, but they require regular maintenance. Sealed batteries are “maintenance free” and won’t emit any corrosive fumes like flooded batteries do. To learn more, be sure to read our battery basics and battery maintenance pages.Pakistan Solar Traders Dry Battery Banks Save You Time and Money. We’ve taken the time to put together 12, 24 and 48 – volt battery banks specifically designed for renewable energy systems, complete with the needed components. Our battery sizing worksheet will help you determine what size of battery bank you will need. If you need help, be sure to consult a Pakistan Solar Traders at 03324129441.