Product Features: the Cordless grease gun is a new patent product,the pressure is 6000~8000psi. 1) With 1700MA Ni-Cd rechargeable batteries( or 1300MAH~1700MAH Ni-MH battery) 2) With 1 hour fast charger (120V or 230V optional), 3) with a 12V c... - Update: 2012-03-10