Konnwei KW850
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Our verdict
The Konnwei KW850 is the best value handheld scanner for budget-conscious DIYers who need basic diagnostics and battery testing. While it lacks bi-directional controls, it remains a capable entry-level tool for home mechanics who can overlook its budget build quality and clunky menu navigation.
- ✓Good value
- ✓Includes battery test
- ✓Color screen
- ✕Clunky menu navigation
- ✕Build feels cheap
The Konnwei KW850 is a dedicated handheld OBD2 scanner designed for DIY car owners who want reliable diagnostic insights without the high cost of professional-grade tools. Featuring a 3-inch color screen, this device excels at reading and clearing engine fault codes while providing real-time data streaming to monitor vehicle health. Beyond standard diagnostics, it stands out in the budget category by including a built-in battery test function, a rare feature for scanners in this price bracket that helps identify charging and starting issues quickly.
Specifications
- Live Data Streaming
- ✓
- Bi-Directional Control
- –
- Display Size
- 3 inches
How it compares
| Konnwei KW850 | LAUNCH CRP129E | Vgate iCar Pro | |
|---|---|---|---|
| Vehicle Coverage | — | Over 57 vehicle brands | All OBD2 compliant vehicles |
| Live Data Streaming | ✓ | ✓ | ✓ |
| ABS/SRS Diagnostics | — | ✓ | — |
| Bi-Directional Control | — | — | — |
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