APC RBC55, Lead acid, Black, 816 Wh, 53.6 lbs (24.3 kg), 5.59" (142 mm), 6.81" (173 mm)
APC RBC55. Battery technology: Lead acid, Product color: Black, Battery capacity: 816 Wh. Weight: 53.6 lbs (24.3 kg), Width: 5.59" (142 mm), Height: 6.81" (173 mm)