This battery also resists corrosion much better when compared to other, non-deep-cycle batteries, which means your maintenance tasks just became a whole lot easier. Absorbed Glass Mat (AGM) Batteries. Made with highly absorbent polyester or fiberglass mat separators, these sealed lead acid batteries, with valve regulated design, take advantage of the way that the electrolyte (sulfuric acid) can't stream freely and is equally spread over the charged plate surfaces. AGM works by utilizing recombinant science, where oxygen recombines through the separators which live between the negative and positive plates. Moreover, the plates and separators are held inside of their cells under pressure, bringing about up to 20 times better imperviousness to vibration.Another AGM point of preference is that they discharge substantially slower than a flooded battery when not in use. AGM is more secure in light of the fact that there is no free electrolyte, AGM batteries wipe out the spill risk that exists with lead-acid batteries, bringing about an expanded level of wellbeing for the user. The item "Mighty Max 12 Volt 22NF 55 Ah Powerchair and Scooter Battery" is in sale since Monday, December 16, 2019. This item is in the category "Health & Beauty\Medical & Mobility\Mobility/Walking Equipment\Parts & Accessories\Wheelchair Parts". The seller is "accessibility-medical-equipment" and is located in Kansas City, Missouri. This item can be shipped to United States.