Sun Xtender Batteries are the Original "AGM" (Absorbent Glass
Mat) Technology Adopted by the U.S. Military and Worldwide Airframe
Deep cycle unique high density plate technology provides superior reliability, power & extended cycle life.
Valve regulated (VR), sealed non-spillable design never needs watering, is maintenance free and operates upright, on its side or end.
Low impedance design with excellent charge acceptance