I'll believe it when I see it.

[expat]

I bought an LED replacement for a halogen light bulb.
40 year life span, it said. 1 year guarantee.

I call that not putting your money where your mouth is.

[vetran]

40 years?

I wonder how they calculated that.

with normal lights they do a lot of on /offs as Tungsten & Halogen tend to fail on switch on.

[Paddy]

with normal lights they do a lot of on /offs as Tungsten & Halogen tend to fail on switch on.

I had a tungsten 20w bulb that was dated around the 1930s and still working. It had extra supports for the filament. When had an electrician in, he dropped it.

[minestrone]

40 years?

I wonder how they calculated that.

Has anyone seen sasguru recently?

[tomtomagain]

40 years?

I wonder how they calculated that.

It's easy. They invented it in 1973, switched it on and left it.

[expat]

It's easy. They invented it in 1973, switched it on and left it.

the why only guarantee it for 1 year?

[vetran]

I think they borrrowed Threaded's time machine.

Largely coz white leds hadn't been invented in 1973.

Threaded invented them in short trousers, he released them into the world later!

[tomtomagain]

the why only guarantee it for 1 year?

That's easy.

Because the "40 year claim" is what technically referred to as "Marketing Bull-tulip" and the one year guarantee is called "Covering your ass".

Put the marketing claim in a large font.

and the conditions in a teeny one.

And whilst we are on the subject .... have we accurately defined the term "Year". Calendar years or mouse years?

[Sysman]

That's easy.

Because the "40 year claim" is what technically referred to as "Marketing Bull-tulip" and the one year guarantee is called "Covering your ass".

Put the marketing claim in a large font.

and the conditions in a teeny one.

And whilst we are on the subject .... have we accurately defined the term "Year". Calendar years or mouse years?

See my sig.