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Milwaukee M18 18V Cordless Tire Inflator (Tool Only)
Model: 2848-20 · US configuration
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Review the 2848-20 tool-only model for this passenger-car tire assessment only if a compatible M18 pack and charger are available and the manual's tire-use and rest limits fit the work. Milwaukee separately lists a 2848-21 kit with one XC5.0 battery, but its complete contents and current availability remain unconfirmed. No tire-size fill-time or tires-per-charge result is verified here.
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Assessment scenario: Assessment scenario: M18 2848-20 tool-only car-tire top-offs
This is a source-based assessment scenario, not a statement of the visitor's actual intent: passenger-car tire inflation with a user-selected target stop and an available compatible M18 pack. The 2848-20 tool-only listing does not include a battery or charger. No reviewed source verifies a tire-size fill-time benchmark, from-flat capacity or tires per charge.
Explore this buying guide ↗Why consider this model?
- Milwaukee identifies exact model 2848-20 as the M18 18V Cordless Tire Inflator; the product page lists one inflator in the box and the manual names a removable M18 battery pack.
- The operator manual lists car/truck tire use, directs the user to screw the Schrader chuck onto the valve, and describes automatic stopping at a selected tire target with a 10 PSI minimum setting.
- Milwaukee positions the model for passenger-car, light-truck and medium-duty-truck tires; this remains manufacturer guidance, not a size-specific fit guarantee.
Tradeoffs to weigh
- The 2848-20 tool-only configuration lists the inflator only and excludes an M18 pack and charger. The 2025 Milwaukee guide lists the separate 2848-21 kit with one XC5.0 battery, but does not establish charger inclusion, all other contents or current availability.
- The manual states a 150 PSI maximum and requires 40 minutes of cooling after each 20 minutes of continuous use.
- Published output is 1.41 SCFM at 0 PSI and 1.10 SCFM at 35 PSI; the sources reviewed do not establish a matched tire-size fill time, per-charge tire count or comparative test result.
- The manual advises against target setting with accessory nozzles and says not to leave the tool unattended during operation.
Check these before ordering
- Verify the exact 2848-20 tool-only model and seller package. Do not confuse it with the guide's 2848-21 M18 Inflator Kit, or assume the kit includes a charger or other unlisted parts.
- Check the intended Schrader or Presta route, the 36-inch hose, accessible valve position, and the exact manual procedure.
- Consider the 20-minute run/40-minute cooling period and use the vehicle maker's tire-pressure target; do not treat 150 PSI as a tire setting.
- Check the battery pack and charger separately if needed, and remain present while operating the inflator.