APC Symmetra Two Post Rail Kit. Product color: Silver. Weight: 7.83 lbs (3.55 kg). Package dimensions (WxDxH): 5.63 x 15.2 x 8.74" (143 x 387 x 222 mm), Package weight: 9.22 lbs (4.18 kg). Dimensions (WxDxH): 1.73 x 12 x 7.01" (44 x 305 x 178 mm)
APC RBC22. Battery technology: Sealed Lead Acid (VRLA), Product color: Black. Dimensions (WxDxH): 2.7 x 6 x 3.7" (68.6 x 152.4 x 94 mm). Weight: 5.31 lbs (2.41 kg)