Gun Electric Grease Pump with 2X4.0A Batteries and Charger, 12, 000 Psi. High Pressure Output: Delivers up to 10,000 PSI (69 MPa) for efficient heavy equipment lubrication. Dual Speed Trigger: Switch between slow speed (145 ml/min) and auto speed (290 ml/min) modes. Flexible Hose Access: 47-1/4 inch flexible hose allows easy access to tight spaces. Safety Relief Valve: Expels grease automatically when internal pressure exceeds limits to prevent damage. Air Bleed Function: Ejection valve bleeds air from the tube to maintain steady flow and efficiency. LED Work Light: Twin LED lights with independent switch illuminate dark work areas. Versatile Grease Loading: Accepts 14.5 oz cartridges or up to 16 oz of bulk grease. OEM/ODM Customization: Offers full, minor, and flexible customization from samples or designs.