EEVblog 1533 - How To Estimate Product Battery Life
How to estimate the battery life of a product. In this example, the BM786 multimeter.
How to measure battery current accurately, avoiding Burden voltage, and looking at battery datasheets characteristic curves. The difference between alkaline and lithium primary batteries.
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Why use AA's instead fo 9V batteries in multimeters?
https://www.youtube.com/watch?v=ILIO5b1BliE
Forum: https://www.eevblog.com/forum/blog/eevblog-1533-how-to-estimate-product-battery-life/
00:00 - What is the battery life of the BM786 multimeter?
01:55 - DaveCAD - Linear Regulators are Constant Current loads.
03:49 - The Rohde & Schwarz NGA100 PSU is pretty schmick
05:00 - The Burden Voltage problem
06:34 - Current consumption in AC mode and backlight
07:58 - The battery cutout voltage and hysteresis
08:48 - Why do multimeters waste battery capacity?
09:21 - Alkaline Battery Datasheet time
10:06 - DC-DC Converters are Constant Power loads
12:00 - How good are Energizer Lithium batteries?
14:26 - Temperate effect on lithium batteries
15:30 - Different types of characteristic curves
16:36 - Extraporlating the curve
18:46 - Conclusion
Web Site: http://www.eevblog.com
Other channels:
EEVblog2: http://www.youtube.com/EEVblog2
EEVdiscover: https://www.youtube.com/eevdiscover
T-Shirts: http://teespring.com/stores/eevblog
#ElectronicsCreators #Battery #Measurement
-
3:03
EEVblog Channel
7 months ago $0.01 earnedPool Update: Beadcrete Coating Time Lapse!
271 -
13:43
Scammer Payback
4 days agoDeleting this Scammer Scumbags personal photos
81.6K41 -
42:39
The Why Files
5 days agoWe Are the Aliens | Life's Interstellar Journey to Earth: Panspermia
108K88 -
1:24:34
Michael Franzese
1 day agoTrump speech, assassination attempt updates, and foreign threats | MF LIVE | Ep. 12
100K131 -
1:53:06
Tactical Advisor
10 hours agoBattleHawk Build Of The Month and Giveaway - Vault Room Live Stream
106K28 -
19:55
My Self Reliance
1 day agoNow What?!
112K28 -
10:03
After Skool
1 month agoWhy Good People Comply With Evil - Daniel Schmachtenberger
206K272 -
15:32
Winston Marshall
2 days agoHollywood’s DEAFENING Silence On Trump's Assassination Attempt
192K275 -
1:01:02
Lou Dobbs
1 day agoRemembering The Great Lou Dobbs
182K306 -
3:10:02
Roseanne Barr
1 day ago $62.22 earnedA Domestic Goddess and Domestic Terrorist walk into a bar | The Roseanne Barr Podcast #57
231K329