Permobil Chairman HD3 Wheelchair The Permobil Chairman HD3 Wheelchair Battery requires 2 batteries to replace it. The price above includes all 2 of them.The Permobil Chairman HD3 Wheelchair Battery cross-references to the below. Although a wet/acid design is initially less expensive and can provide about10% more running time per charge than a sealed battery of equal size, a Wetlead/acid battery has a much shorter service life, requires regular maintenanceand poses a much higher safety risk because of potential batter. . . Although a wet/acid design is initially less expensive and can provide about10% more running time per charge than a sealed battery of equal size, a Wetlead/acid battery has a much shorter service life, requires regular maintenanceand poses a much higher safety risk because of potential battery acid contactand/or explosion. Our sealed battery, instead, provides an inherently safer,truly maintenance-free design. Our batteries provide a significantly longer life-averaging1 to 2 years or longer when properly maintained. Our batteries are availablein models approved by major airlines and other public transportation providers. 53.6 12 73.6 10.25 6.75 8.25 1 Year SLA 1-2 days MK Battery Yes http://site.apexbattery.com/logos/permobil.jpg New Female Insert M

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