tinams 20PSI High Pressure Rechargeable Paddle Board Pump Previous page Next page LARGE LCD SCREEN DISPLAY WITH STORAGE BAG AND HANDLE DESIGN - EASY TO CARRY RECHARGEABLE PADDLE BOARD PUMP Inflator & Deflator Function Inflator & Deflator 0-20 PSI Pressure Range 0-20 PSI 12V DC Connector Rechargeable Flashlight LCD Display Auto-off Function — Function — — Pressure Range — 12V DC Connector Rechargeable Flashlight LCD Display Auto-off Function Previous page 12V DC Learn More RECHARGEABLE Learn More Next page How long does it take to fill up 1 SUP? Set up the 15PSI first and the inflator hose connected correctly, It takes about 9-10 mins to fill up a length of 11" SUP. If you have a larger SUP but still set at 15PSI, it may take longer! How long does it take to fully charge this SUP pump? It usually takes 4 hours and during normal charging it always flashes red and then turns green to indicate a full charge. To prevent prolonged charging, it will turn flashes red again after another 4 hours to remind you to disconnect the charger.