MAX SUP PUMP, the 20PSI cordless rechargeable air pump for SUP & KITE, adapting the lightweight and cordless design. Supported Pressure Range: 0.3-20 PSI (0.02-1.38 Bar) Battery Capacity: 88.8Wh (106.56Wh-9600mAh) Max Pumping Speed: 360L/Min At 1st Stage; 90L/Min At 2nd Stage Size: 11.06*9.72*4.01 Inches (281*247*102mm) Net Weight: 3.76 Lbs (1.68kg) Digital Sensor Accuracy: 0.1 PSI Max Energy Consumption: 3A, 120W (12V), DC