This is a kind of quality electric grease machine, adpots high power motor, copper core coil, enhance oil extracting and injecting work efficiency. Equipped with one digital display, it will shows accurate capacity and speed clearly. Two gears of speeds adjustable, you can shortly press selection button to change speed for high or slow easily. High pressure grease delivery hose, suitable for 10000PSI/689bar working pressure. You can have a try. 

Specifications:
Name: Electric Grease Machine
Material: metal+plastics
Battery: 1 * rechargeable battery, 20V, 10000mAh (included, you will find there are 5pcs batteries inside if you disassemble it)
Working voltage: 20V
Max working pressure: 10000psi
Refueling speed: 145g/min(high), 96g/min(low)
Capacity: 500cc
Hose length: 800mm
Item size: 423 * 205 * 110mm / 16.65 * 8.07 * 4.33in
Battery size: 121 * 77 * 55mm / 4.76 * 3.03 * 2.17in
Battery recharger size: 152 * 117 * 67mm / 5.98 * 4.61 * 2.64in
Carrying bag size: 600 * 335 * 130mm / 23.62 * 13.19 * 5.12in
Item weight: 3884g / 8.56lb
Package size: 600 * 355 * 150mm / 23.62 * 13.98 * 5.91in
Package weight: 4273g / 9.42lb

Packing List:
1 * Electric Grease Machine
1 * Battery
1 * Battery Recharger