lightseeker2009
Enlightened
- Joined
- Jul 29, 2009
- Messages
- 681
I've recently bought a 95 led 3XD cell flashlight. I would say its only giving in the region of around 150 lumens. But for something like $7.00 its still a bargain I think.
Then I tested its ampdraw. It was 0.49A. That is with the set of 3D alkalines included with the light. The batteries gives 4.68V after I used the light for something like 3 to 4 minutes.
Then I tested it with 3X Nimh AA's. The AA's were not fully charged and gave me 3.91V. But what interrested me was that when testing the ampdraw with the AA's it was 0.61A
Now for my question. The leds are now basically being overdriven by about 20%. How much will the use of Nimh'a shorthen its lifespan?
Then I tested its ampdraw. It was 0.49A. That is with the set of 3D alkalines included with the light. The batteries gives 4.68V after I used the light for something like 3 to 4 minutes.
Then I tested it with 3X Nimh AA's. The AA's were not fully charged and gave me 3.91V. But what interrested me was that when testing the ampdraw with the AA's it was 0.61A
Now for my question. The leds are now basically being overdriven by about 20%. How much will the use of Nimh'a shorthen its lifespan?