SMF Batteries when dispersed are known as Sealed Maintenance Free batteries which are demanded in large amount by various sectors and industries. These batteries are also known as Value Regulated Lead Acid (VRLA) batteries which are considered to flat plate batteries and performs the given duty constantly without emitting any fumes and does not require water to be refilled times and again. These have electrolyte type of a gel that covers the cavity of surface of plates. Batteries emit oxygen and CO2 and likewise these batteries too emit these gases but the difference is that these gases remain sealed in the battery itself and combined together forms water. SMF Batteries contain major amount of lead and are used in solar systems.