Small Appliance

Oral-B iO 9 Holiday Edition

What is likely to break, when it happens, and how expensive it can be — from source-linked reports.

Reliability signal — · Insufficient data · data confidence Very Low

2 failure reports

Reliability summary

What is likely to go wrong, when it happens, and how expensive it can be — from source-linked failure reports.

Reliability signal

—

2 failure reports · Insufficient data · Data confidence: Very Low

Need at least 5 failure-signal reports before showing an A–F grade.

Most common issue: Battery collapse just after 2-year warranty
Typical first failure: 1.3 yr; Median of reports with timing
Median repair cost: —; Reported costs only
Highest reported repair: —; Not a guarantee

What breaks?

Failure types

Click a type in the reports section below to filter.

Battery collapse just after 2-year warranty1 · 50%
Repeated battery failure every ~6 months1 · 50%

When does it break?

Failure timing

Months after purchase, using reports that included timing.

What does it cost?

Reported repair costs

Distribution of owner-reported repair costs — not a quote or guarantee.

No reported repair costs yet for this model.

Median months to failure

Failure reports

Median repair cost

—

Still recommend

% repaired

50%

% mfr warranty

50%

% extended warranty

—

% support helpful

—

Use these reports as a risk signal, then check current listings before you buy.

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What breaks?

What breaks? · reports

Battery collapse just after 2-year warranty

Rechargeable battery

24 months

Source-linkedVerify source — Coolblue review

Coolblue review by Pieter (original Dutch). Just after the 2-year warranty ended, a full battery only lasts about 1 minute. Sees the same pattern in other reviews; for such an expensive product expected better lifespan.

UnverifiedEvidence ★★★☆☆Not under mfr warranty

View report details

Months until failure

24 months

Repair cost

Not stated

Repaired

Manufacturer warranty

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

AI extraction confidence

94%

Verification status

Unverified

Evidence quality

★★★☆☆ (3/5)

Repeated battery failure every ~6 months

Rechargeable battery

6 months

Source-linkedVerify source — Coolblue review

Coolblue review by Jeroen (original Dutch). Called it the worst and most expensive toothbrush ever owned. Failed three times after about six months each time. Battery constantly drains; after 7 hours of charging only about 1 minute of brushing before it shuts off again.

UnverifiedEvidence ★★★☆☆Mfr warranty

View report details

Months until failure

6 months

Repair cost

Not stated

Repaired

Yes

Manufacturer warranty

Yes

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

AI extraction confidence

96%

Verification status

Unverified

Evidence quality

★★★☆☆ (3/5)

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