⚡ Brushless motor: 150 PSI max pressure in minutes – no more tiring hand pumping.
📱 Digital display with auto-stop: set target pressure, pump shuts off automatically.
🔋 USB-C rechargeable: 500mAh battery for multiple tires – perfect for on the go.
🎯 4-in-1 Modi: Car, Motorcycle, Bicycle & Ball – one pump for all situations.
1988 first sponsor of the UCI Mountain Bike World Championship. Today, this spirit is in every bike accessory – from bags to locks. Quality that rides along.
Brushless motor with copper cylinder:
Faster inflation thanks to new generation technology.
Digital pressure display with auto-off: Precise setting + automatic shut-off.
Tire pressure monitoring sensor: Real-time measurement prevents flat tires.
4 modes for car/motorcycle/bike/balls: Customized inflation for all needs.
Compact & lightweight for on the go: Ideal for cars, emergencies, or gifts.
Specification
Brand: GRUNDIG
Product Name: Wireless Lithium Battery Air Pump
Product Model: ST-9633
Product Material: ABS
Dimensions: 84 mm x 53 mm x 35 mm
Piston Diameter: 12mm
Inflation Flow Rate: 12 l/min
Rated Power: Motor Operating Power: 48W
Pressure Range: Digital Hose Display, Range 3~150PSI, Measurement Accuracy (Measurement Point 35psi) ±1PSI
Unit Display: Three Pump Modes (Bicycle, Motorcycle, Ball)
Wireless Charging of Lithium Battery: USB Type-C Charging Cable: Type-C Interface; 5 V/1.5 A
Power Supply: 18650 Lithium Battery 500mAh
Charging Time: Charging Time: 3-5h
Length of Air Hose: 100±10mm (with Push-Type Quick Connector)
Color Box Size: 18.5 x 9.2 x 8.5 cm
Operating Temperature: 0℃~45℃
Storage Temperature: -10℃~60℃
Packing List: Host * 1, French Air Nozzle Connector 1PC, Plug-in Air Hose 1PC, Charging Cable 1PC, Ball Needle 1PC, Air Nozzle for Balloon Swim Ring 1PC
The roots of the GRUNDIG bicycle lie in the German company GRUNDIG AG, which was founded in 1945 by Max GRUNDIG and initially became world-famous for radio and television. Today, GRUNDIG's product range has expanded from radio and television to household electronics, car accessories, smart travel, and new energy.
In 1988, GRUNDIG made history as the sponsor of the first UCI Mountain Bike World Cup series. This exploration of new terrain opened the relationship between GRUNDIG and bicycles. In 2021, GRUNDIG established the e-bike sales business in Germany, Austria, France, the Netherlands, and Hong Kong, China. From 2023, GRUNDIG has expanded its business with bicycle accessories and covered the market for GRUNDIG bicycles worldwide.
