The Power-Sonic PS-1270 is a sealed lead acid battery that is manufactured using AGM technology where the electrolyte is absorbed into a glass fiber mat therefore making for a completely dry cell design. These are rechargeable batteries and are designed to be used and recharged on a regular basis. Under normal operations the life of these batteries is 3-5 years. Power-Sonic produces batteries for a wide range of power delivery options. The PS-1270 is a quality replacement for all 12 volt 7 Ah batteries .