We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Kidde i9040 Lifesaver Compact Smoke Alarm review

£9.00 Typical price

Test score %

Key features
  • Smoke alarm
  • Ionisation smoke alarm
Reviewed

Kidde i9040 Lifesaver Compact Smoke Alarm won’t break the bank – at less than a tenner it’s certain to appeal to many looking to make their homes safe. As it’s often available in a twin-alarm pack, this smoke alarm does seem to offer good value. But the all-important question revolves around how well this Kidde alarm detects smoke in an emergency. Our full review reveals what happened when we put this model through four different types of test fires at our lab.

Included in our expert review
  • Pros and cons
Try Which? for £1
You can cancel at any time

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test smoke alarms
Try Which? for £1
You can cancel at any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Make smarter choices

We have tested 27 smoke alarms and found that there are 7 Don't Buys and 4 Best Buys.
Range of Smoke alarm scores
  1. 0%
    Lowest score
  2. 46%
    Average score
  3. 93%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to smoke alarms we've tested
Try Which? for £1
You can cancel at any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

    CompareRemove all products