The S303 is a compact fast-charging automotive emergency device integrating a 1000A jump starter, cordless tire inflator, portable power bank, LED lighting system, and digital screen display. Designed for passenger cars, it provides essential roadside support for daily driving, camping, and emergency situations.
With USB-C fast charging input, dual display monitoring, and multi-function integration, the S303 is suitable for online sellers, distributors, and OEM/ODM private label brands targeting global automotive accessory markets.
The S303 supports efficient USB-C fast charging and stable power output for emergency vehicle starting and mobile device charging.
The built-in air compressor provides accurate tire inflation with digital monitoring for safe and convenient operation.
The S303 integrates essential automotive emergency tools into one compact system for maximum practicality.
The intelligent protection system ensures safe operation and stable performance during all use scenarios.
The S303 is designed for a wide range of automotive and outdoor emergency applications.
| Item | Specification |
|---|---|
| Model | S303 |
| Product Type | Fast Charging Jump Starter with Air Compressor |
| Peak Current | 1000A |
| Total Output Power | 90W |
| Input | Type-C 5V |
| Charging Output | USB-C |
| Cycle Life | 3000 Cycles |
| Material | ABS + Battery |
| Display | Digital Screen |
| Color | Silver |
| Suitable For | Passenger Cars |
| Functions | Jump Starter, Tire Inflator, Power Bank, LED Light, SOS Light, Digital Screen |
| Certification | CE, RoHS, FCC, MSDS, UN38.3 |
| Warranty | 1 Year |
Shengyi provides complete OEM and ODM manufacturing services for automotive emergency products. We support distributors, online sellers, and private label brands with flexible customization solutions.
Each S303 unit is individually tested before shipment to ensure stable performance and reliable safety standards.
Looking for a reliable jump starter manufacturer? Contact Shengyi today for OEM pricing, product catalogs, and customization options.