MODEL BK1000B/BK850/BK650 /BK450 Unit Size 297 x 101 x 142mm Battery 12V 1x9AH/9AH/7AH/4.5AH Unit Net weight 4.9kgs/4.9kgs/4.2kgs/3.7kgs Gift box size 340 x 140 x 220mm QTY/CTN 4pcs / ctn Standard Carton Size 585 x 352 x 238mm GW/CTN 21.15kgs/ 20kgs/17.6kgs /16.8kgs NW/CTN 20.32kgs/ 19.5kgs/18.6kgs /17.6kgs