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SR20 Multi-Function Smart Air Pump
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OverviewThe SR20 is a multi-function smart air pump that combines inflation, pressure measurement, and emergency lighting in one compact device. Built with a high-performance DC motor and a precision pressure sensor, it quickly inflates car, motorcycle, and bicycle tires, as well as sports balls. The digital display shows real-time pressure and automatically stops at your preset value to prevent over-inflation. With dual-color LED emergency light, Type-C and DC 12V dual charging, and multiple safety protections, the SR20 is your reliable companion for daily commutes and outdoor adventures. Key Features
Specifications
Operating Instructions1. InflationNote: The product is preset to transport mode at the factory. Before first use, connect a charger (Type-C or DC port) to deactivate transport mode.
Safety Tip: Always check the required pressure for the item being inflated to avoid over-inflation and bursting. The allowable pressure range for car, bicycle, and motorcycle tires is marked on the tire sidewall. Recommended car tire pressure is usually on the driver’s side door jamb. Inflation pressure varies with load. For detailed recommendations, refer to the equipment manual. 2. Emergency LightPress and hold the Emergency Light button to turn on. Short-press to switch between white work light and red warning light. Press and hold again to turn off. 3. ChargingConnect the charging cable to the Type-C port. The display shows “IN” and real-time battery level. The percentage flashes during charging. When fully charged, it shows 100%. 4. Pressure CalibrationIf the display shows a non-zero pressure when no hose is connected after power-on, calibrate as follows: Press and hold both “+/-” buttons until the pressure value resets to 0. Calibration is complete. 5. Battery MaintenanceThe product contains a built-in lithium battery. If not used for a long time, fully charge it every 3 months. Safety Warnings
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