Document Overview
Key Findings The ETENWOLF P300 Smart Ball Pump (sample P300-2#) demonstrated strong inflation accuracy across basketball, American football, soccer, and volleyball, with the majority of readings landing within ±0.1 PSI of the preset target; two outlier cases recorded a deviation of −1.0 PSI at the…
- Document type
- Test Report
- Prepared by
- Jessica Lin
- Published
- Last reviewed
- Topics
- Motor Performance
Key Findings
The ETENWOLF P300 Smart Ball Pump (sample P300-2#) demonstrated strong inflation accuracy across basketball, American football, soccer, and volleyball, with the majority of readings landing within ±0.1 PSI of the preset target; two outlier cases recorded a deviation of −1.0 PSI at the 6–8 PSI range for basketball and soccer.
- Test Date: 2025-05-30
- Sample ID: P300-2#
- Ball Types Tested: Basketball (篮球), American Football (橄榄球), Soccer (足球), Volleyball (排球)
- Total Test Cases: 31 (rows 1–31)
- Pressure Range Covered: 0–11 PSI
- Typical Deviation: −0.1 to +0.2 PSI
- Worst-Case Deviation: −1.0 PSI (Basketball row 4, Soccer row 24, at 6–8 PSI preset 8 PSI)
- Overall Verdict: PASS for most ranges; two cases show deviation exceeding ±0.5 PSI requiring attention
Test Overview
| Item | Detail |
|---|---|
| Test Type | Inflation Accuracy (球泵打气精度) |
| Report / Sheet | P300-2# (Sheet 2 of 3) |
| Test Date | 2025-05-30 |
| Tester Code | BTK |
| Product | ETENWOLF P300 Smart Ball Pump |
| Product Line | Sports & Recreation |
| Category | Ball Pump (球泵类) |
| Sample ID | P300-2# |
| Total Sheets in Workbook | 3 (P300-1#, P300-2#, P300-3#) |
| Source File | P300-球泵打气精度.xlsx |
Test Equipment & Setup
| Parameter | Value |
|---|---|
| Device Under Test | ETENWOLF P300 Smart Ball Pump |
| Pressure Unit | PSI (pounds per square inch) |
| Inflation Mode | Preset target pressure with auto-stop |
| Ball Types | Basketball (篮球), American Football (橄榄球), Soccer Ball (足球), Volleyball (排球) |
| Preset Pressure Range | 2–11 PSI |
| Starting Pressure Ranges | 0–9 PSI (varies by test case) |
| Measurement Parameter | Actual stop pressure vs. preset target pressure |
| Accuracy Calculation | Difference = Actual Stop Pressure − Preset Target Pressure (PSI) |
| Test Environment | Standard indoor lab conditions |
Test Procedure
- Pre-Test: Confirm the P300 unit powers on normally and the display is functional. Verify the ball needle adapter is securely attached to the pump nozzle.
- Pre-Test: Deflate or pre-inflate the target ball to the specified starting pressure for each test case using a calibrated reference gauge.
- Setup: Insert the needle into the ball valve. Set the target preset pressure on the P300 to the value specified in column “打气预设气压 (PSI)” for each test case.
- Inflation: Activate the pump. Allow it to run until the auto-stop function engages at the preset pressure.
- Measurement: Immediately read and record the actual stop pressure (“停止气压 PSI”) using the P300’s onboard sensor readout.
- Calculation: Calculate the deviation (“差值/精度”) = Actual Stop Pressure − Preset Target Pressure.
- Repeat: Perform the above steps for all 31 test cases covering the four ball types across incremental pressure ranges.
- Post-Test: Power off the unit and inspect for any physical anomalies or error codes.
- Acceptance Criteria: Deviation within ±0.5 PSI is considered acceptable accuracy for consumer-grade smart ball pumps.
Test Data & Results
| No. | Ball Type | Inflation Range (PSI) | Preset Target (PSI) | Actual Stop (PSI) | Deviation / Accuracy (PSI) | Remarks |
|---|---|---|---|---|---|---|
| 1 | Basketball | 0–2 | 2 | 1.9 | −0.1 | |
| 2 | Basketball | 2–4 | 4 | 4.1 | +0.1 | |
| 3 | Basketball | 4–6 | 6 | 6.0 | 0.0 | |
| 4 | Basketball | 6–8 | 8 | 7.0 | −1.0 | Deviation exceeds ±0.5 PSI |
| 5 | Basketball | 8–9 | 9 | 9.1 | +0.1 | |
| 6 | Basketball | 1–3 | 3 | 3.0 | 0.0 | |
| 7 | Basketball | 3–5 | 5 | 5.0 | 0.0 | |
| 8 | Basketball | 5–7 | 7 | 7.0 | 0.0 | |
| 9 | Basketball | 7–9 | 9 | 9.0 | 0.0 | |
| 10 | American Football | 0–2 | 2 | 1.9 | −0.1 | |
| 11 | American Football | 2–4 | 4 | 4.2 | +0.2 | |
| 12 | American Football | 4–6 | 6 | 6.1 | +0.1 | |
| 13 | American Football | 6–8 | 8 | 8.1 | +0.1 | |
| 14 | American Football | 8–10 | 10 | 10.0 | 0.0 | |
| 15 | American Football | 10–11 | 11 | 10.9 | −0.1 | |
| 16 | American Football | 1–3 | 3 | 3.0 | 0.0 | |
| 17 | American Football | 3–5 | 5 | 5.1 | +0.1 | |
| 18 | American Football | 5–7 | 7 | 7.0 | 0.0 | |
| 19 | American Football | 7–9 | 9 | 9.0 | 0.0 | |
| 20 | American Football | 9–11 | 11 | 10.9 | −0.1 | |
| 21 | Soccer | 0–2 | 2 | 2.0 | 0.0 | |
| 22 | Soccer | 2–4 | 4 | 4.2 | +0.2 | |
| 23 | Soccer | 4–6 | 6 | 6.1 | +0.1 | |
| 24 | Soccer | 6–8 | 8 | 7.0 | −1.0 | Deviation exceeds ±0.5 PSI |
| 25 | Soccer | 1–3 | 3 | 3.1 | +0.1 | |
| 26 | Soccer | 3–5 | 5 | 5.1 | +0.1 | |
| 27 | Soccer | 5–7 | 7 | 6.9 | −0.1 | |
| 28 | Volleyball | 0–2 | 2 | 2.0 | 0.0 | |
| 29 | Volleyball | 2–4 | 4 | 4.0 | 0.0 | |
| 30 | Volleyball | 1–3 | 3 | 3.1 | +0.1 | |
| 31 | Volleyball | 3–4 | 4 | 4.0 | 0.0 |
Observations: 29 of 31 test cases (93.5%) showed deviations within ±0.2 PSI. Two cases — Basketball row 4 (preset 8 PSI, actual 7.0 PSI) and Soccer row 24 (preset 8 PSI, actual 7.0 PSI) — recorded a −1.0 PSI deviation, both occurring at the 6–8 PSI inflation range. These cases fall outside the ±0.5 PSI acceptance threshold and may indicate a sensor calibration or auto-stop threshold anomaly specific to this pressure band. All American Football and Volleyball cases passed within acceptable accuracy. The pattern of the −1.0 PSI outliers at the same preset level (8 PSI) across two different ball types suggests a systematic rather than random cause.
Conclusion
| Item | Detail |
|---|---|
| Result Summary | 29/31 cases within ±0.2 PSI; 2/31 cases at −1.0 PSI deviation |
| Acceptance Criterion | Deviation within ±0.5 PSI |
| Conditions | Indoor lab; PSI unit; preset auto-stop mode; four ball types |
| Sample Tested | P300-2# |
| Verdict | CONDITIONAL PASS — 93.5% of cases pass; 6–8 PSI range (preset 8 PSI) requires further investigation and calibration review for basketball and soccer modes |
Document Information
| Role | Name | Detail |
|---|---|---|
| Tester | BTK | Identified by tester code in source document |
| Test Date | — | 2025-05-30 |
| Source File | — | P300-球泵打气精度.xlsx, Sheet: P300-2# |
| Form / Report Number | — | P300-2# (Sheet index 2 of 3) |
| Product Line | — | Sports & Recreation — Ball Pump (0球泵类) |
Frequently Asked Questions
What is the inflation accuracy of the ETENWOLF P300 Smart Ball Pump?
In testing across 31 cases covering basketball, American football, soccer, and volleyball, the P300 achieved deviations of ±0.1 to ±0.2 PSI in 93.5% of cases. Two cases at the 6–8 PSI preset range recorded a −1.0 PSI deviation, indicating a potential calibration issue at that specific pressure band.
Which ball types does the ETENWOLF P300 support for precision inflation?
The P300 supports precision auto-stop inflation for basketball, American football (rugby-style), soccer, and volleyball. Each ball type was tested across multiple incremental pressure ranges from 0 to 11 PSI in this report.
How does the P300 auto-stop inflation feature work?
The user sets a target pressure (preset PSI) on the P300’s interface. The pump inflates the ball and automatically stops when the internal sensor detects the air pressure has reached the preset value. The deviation between the preset and actual stop pressure defines the unit’s accuracy.
Are there any known accuracy limitations with the ETENWOLF P300 at higher pressures?
Test data from sample P300-2# shows that at the 6–8 PSI inflation range with a preset target of 8 PSI, both basketball and soccer cases recorded an actual stop pressure of 7.0 PSI (−1.0 PSI deviation). All other pressure ranges tested within ±0.2 PSI. Users inflating to targets near 8 PSI should verify final pressure with a standalone gauge until this range is confirmed in further testing.
Related Products
- ETENWOLF P300 Smart Ball Pump — Product Page
- P300-1# Test Sheet — Motor Performance Report (Sheet 1 of 3)
- P300-3# Test Sheet — Motor Performance Report (Sheet 3 of 3)