The Universal Power Group batteries are ideal for grid-connected systems and are an excellent state-of-the-art lead-acid battery that requires no maintanence.
UPG's state-of-the-art lead-acid deep cycle battery is a valve-regulated typesometimes called "sealed" or "maintenance-free"which fixes the acid electrolyte in a gel or in an absorptive fiberglass mat. The advantage of this design is that the battery needs no water additions, can be operated in any position, and can be used in close proximity to people and sensitive equipment.
Universal Power Group provides us with nearly every terminal and case type (regular and flame retardant) that you might need. We recommend these Sealed Lead Acid/Absorbent Glass Mat batteries for backup power and off-grid power applications.