The Cordless grease gun is a new patent product, the main feature are as followed: 1) 1700MA Ni-CD rechargeable batteries (or 1300mAh~1700mAh Ni-MH battery) 2) 1 hour fast charger (120V or 230V optional) 3) A 12V cigarette plug adapter 4) LCD battery capacity display 5) Self-Locking Button 6) Warm blanket in Cool climate 7) Color sleeve 8) Blow plastic case 9) DC to AC inverter. One Carton is for 5 units cordless grease guns, the carton dimension is 54CM*53CM*44CM. The gross weigh is 39.5kg for one carton; the net weigh is 37kg. One 20" container can have 1100 units of grease gun.