I need faster internet, even with timelapse still 25 minutes and GB video. But here is the entry for the spreadsheet:
Product description and model: Brio Battery Powered Engine, Art# 33595
Contributor Name: Frank Buss
Batteroo Type AA/AAA/C/D: AAA x 1
Battery Brand/Model Used: Energizer Alkaline Power
Battery Fit? / Issues?: Tight, not easy to insert
Normal battery life from fresh (No Batteriser) Minutes: 127
Normal battery life from fresh (With Batteriser) Minutes: 59
Batteriser Improvement % for fresh batteries: -53.54 %
Extra time added on "dead" battery with Batteriser. Minutes: 4
Batteriser extra run time in % on "dead" batteries": 3.15 %
And some more numbers: Quiescent current at 1.5 V is about 2 uA. Don't know how to measure the switching frequency, but output ripple is really bad. With 1 k load:
With 100 ohm load:
I wonder when the first complain about hissing audio product appears on Indiegogo.
I'll finish the MP3 player test, but don't know if it makes sense to test a flashlight. And the edges look pretty steep, might have EMV problems.
Who wants the two sleeves next? One will be shipped with the construction with the battery holder, for easy measuring. Would be cool if someone with ESD/EMV equipment could take a look at it, or verify the efficiency results with a non-bricked eload, or test the current limiter.