20L/min at 0 PSI; can fully inflate a standard 225/55R17 tire from 0 to 2.5 bar in about 5 minutes.
Battery
Built-in 5200mAh (2600mAh x 2) high-rate lithium battery with 3C certification; supports up to 15 tire inflations per full charge; retains charge for up to 3 years standby.
Charging
Fast charging capability with upgraded battery capacity.
Operating Modes
Four preset modes with memory function for last used settings:
Car Mode
Default 2.4 bar (35 PSI), adjustable 0.5-8.9 bar (8-130 PSI)
Bicycle Mode
Default 1.5 bar (22 PSI), adjustable 0.6-10 bar (10-145 PSI)
Ball Mode
Default 0.5 bar (8.5 PSI), adjustable 0.2-1.1 bar (3-16 PSI)
Custom Mode
Default 2 bar (30 PSI), adjustable 0.2-11 bar (3-160 PSI)
Auto Stop
Intelligent visual display with automatic stop when preset pressure is reached.
Accessories Storage
Integrated patented accessory compartment for convenient storage of hoses and nozzles.
Safety
Full metal sealed cylinder for efficient heat dissipation; no need to stop for cooling during inflation; reduces fire risk.
User Friendly
Simple 4-step operation; no professional skills required.
Inflation Capacity
Can inflate up to 15 standard car tires (225/55R17) from 2.0 to 2.5 bar on a single full charge.
Can fully inflate at least 3 tires from 0 to 2.5 bar per charge.
Additional details
Tire pressure measurement accuracy
±0.04 bar.
Inflation speed improved by approximately 50% compared to older models and manual pumps.
Additional details
Dimensions
16.9 cm (L) x 5.4 cm (W) x 6.7 cm (H)
Weight
Approx. 520 grams
Main unit (S1 tire pump)
User manual
Storage bag
T-shaped nozzle
Ball needle
French valve adapter
Charging cable (Type A-C)
Tested at 25°C ± 2°C ambient temperature.
Data sourced from ETENWOLF laboratory; actual performance may vary slightly due to environmental factors.
Recommended to remove hose promptly after inflation to prevent air leakage.
3C Certified Lithium Battery
Emergency roadside tire inflation
Daily vehicle maintenance
Bicycle and sports ball inflation
Suitable for family travel and outdoor activities
The ETENWOLF S1 tire pump offers a reliable, fast, and versatile inflation solution with a powerful motor, long-lasting battery, and smart features. Its compact design and integrated accessory storage make it ideal for on-the-go use, ensuring peace of mind for drivers and outdoor enthusiasts alike.
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