WEBVTT 00:00:00.520 --> 00:00:08.160 it's a living nightmare you've got critically important stuff to do but 00:00:05.240 --> 00:00:13.880 your laptop is dying and you have no way to charge it so you go into desperation 00:00:10.400 --> 00:00:16.119 mode trying all the wacky battery saving 00:00:13.880 --> 00:00:19.519 tips that you read about online turning the brightness down turning down your 00:00:18.119 --> 00:00:24.240 screen resolution installing a battery 00:00:21.920 --> 00:00:31.759 optimization app that runs in the background what yeah so with all the 00:00:28.359 --> 00:00:34.200 outlandish advice out there we couldn't 00:00:31.759 --> 00:00:39.879 resist quantitatively testing the internet's current most popular battery 00:00:37.280 --> 00:00:45.559 saving techniques to determine once and for all just how much more life down to 00:00:43.000 --> 00:00:51.800 the minute these tricks can get you so get amped because the results May shock 00:00:58.920 --> 00:01:06.880 you G skills km780r RGB mechanical keyboard 00:01:04.519 --> 00:01:11.520 features a brushed aluminum top plate on the Fly macro recording and different 00:01:09.320 --> 00:01:16.320 Cherry MX switch configurations learn more at the link 00:01:13.119 --> 00:01:18.720 below let's start with the worst case 00:01:16.320 --> 00:01:24.799 scenario using PC Mark's home conventional battery life test we 00:01:20.920 --> 00:01:27.600 managed to get am measly 2 hours and 38 00:01:24.799 --> 00:01:34.799 minutes of battery out of the 2017 HP Spectre X 360 that we Ed for the bulk of 00:01:30.600 --> 00:01:37.600 our tests a product that boasts up to 15 00:01:34.799 --> 00:01:43.880 hours of battery life on its product page so we achieved this dubious feat by 00:01:41.240 --> 00:01:48.119 connecting a set of high-end peripherals with the screen at full brightness the 00:01:46.200 --> 00:01:52.680 balanced power plan the keyboard backlight enabled the screen at Full 00:01:49.719 --> 00:01:57.960 Resolution bluetooth enabled and Wi-Fi connected all right then so first things 00:01:55.119 --> 00:02:04.159 first how much juice can we save by removing our RGB Mouse and this op 00:02:01.399 --> 00:02:12.879 backlit keyboard that actually uses two USB type A ports holy cow we just 00:02:08.560 --> 00:02:14.760 boosted our battery by 25 to 30% more 00:02:12.879 --> 00:02:20.319 than I actually would have thought and even more interesting with less gangster 00:02:17.640 --> 00:02:26.800 peripherals we are still looking at over 20% shorter battery life than the 00:02:23.080 --> 00:02:31.160 onboard input devices so pulling out 00:02:26.800 --> 00:02:34.000 does work now you know 00:02:31.160 --> 00:02:40.440 what about disabling the USB ports or other devices outright we ran one test 00:02:37.319 --> 00:02:43.720 with the USB ports disabled and another 00:02:40.440 --> 00:02:46.239 with the webcam and IR emitters 00:02:43.720 --> 00:02:52.080 disabled but other than being a good idea for privacy neither of these 00:02:48.800 --> 00:02:54.360 produced any savings above our 4% margin 00:02:52.080 --> 00:02:59.480 of error so it looks like the internet got that one wrong the next one seems 00:02:56.959 --> 00:03:04.720 pretty credible though Samsung even has a setting built into the new Galaxy S8 00:03:02.599 --> 00:03:12.680 to run the screen at a lower resolution to save power so we went from 4K all the 00:03:08.440 --> 00:03:16.080 way down to 800x 600 with results that 00:03:12.680 --> 00:03:19.840 frankly didn't justify the awful user 00:03:16.080 --> 00:03:22.239 experience of that resolution at 6% 00:03:19.840 --> 00:03:27.720 we're only just above our margin of error the results from our keyboard 00:03:24.720 --> 00:03:30.159 backlight test though were so surprising 00:03:27.720 --> 00:03:35.680 that we ran this one three times and it's official turning off the back lit 00:03:33.159 --> 00:03:41.959 keyboard netted us an average of about 16% more juice though your mileage may 00:03:39.519 --> 00:03:47.760 vary high-powered gaming machines with bigger batteries might not see such a 00:03:44.760 --> 00:03:50.879 large impact but what about the 00:03:47.760 --> 00:03:55.799 brightness of the screen turning your 00:03:50.879 --> 00:03:58.799 brightness down from Max to 50% saved us 00:03:55.799 --> 00:04:00.400 the exact same amount as turning off the 00:03:58.799 --> 00:04:07.079 keyboard backlight outright but this is where it gets crazy 00:04:04.560 --> 00:04:13.640 turning brightness all the way down to minimum from there doesn't double these 00:04:10.480 --> 00:04:18.199 savings we only got an additional 00:04:13.640 --> 00:04:20.880 4% but how can that be well it turns out 00:04:18.199 --> 00:04:27.479 that your eyes don't perceive brightness linearly so it takes a lot more power to 00:04:24.479 --> 00:04:31.280 brighten your screen from 50% to Max 00:04:27.479 --> 00:04:34.560 than it does from minimum to 50% the 00:04:31.280 --> 00:04:36.600 more you know and here's another twist 00:04:34.560 --> 00:04:42.160 pretty much everyone agrees that disabling Wi-Fi and Bluetooth with 00:04:39.080 --> 00:04:45.360 airplane mode will boost battery life 00:04:42.160 --> 00:04:49.560 but nope we tested this one three times 00:04:45.360 --> 00:04:52.400 as well then we thought maybe this 00:04:49.560 --> 00:04:58.160 airplane mode thing sucks let's turn off both Wi-Fi and Bluetooth manually still 00:04:55.400 --> 00:05:03.520 nope so it turns out that modern Wireless chipsets don't suck much power 00:05:01.360 --> 00:05:07.800 when they're idle so even though our machine was connected to a network the 00:05:05.759 --> 00:05:13.240 whole time we didn't see much of a difference but you should note that in a 00:05:11.039 --> 00:05:19.840 low signal strength scenario or if it was searching for a network that drain 00:05:16.479 --> 00:05:22.800 would likely be much more noticeable but 00:05:19.840 --> 00:05:29.560 hold on a second lonus I'm always on the internet when I'm using my computer what 00:05:25.400 --> 00:05:31.919 if Wi-Fi isn't idle okay great question 00:05:29.560 --> 00:05:37.440 for that we'll need a new test so we took everything we learned in Phase 1 00:05:34.319 --> 00:05:39.479 and collected a new set of Baseline data 00:05:37.440 --> 00:05:44.520 that we feel is more representative of the real world so our notebook is 00:05:42.039 --> 00:05:49.520 running at 50% brightness and full resolution with our devices enabled our 00:05:47.360 --> 00:05:57.600 peripherals disconnected and our keyboard backlight on then we added a 00:05:53.240 --> 00:05:59.440 more real world load YouTube videos so 00:05:57.600 --> 00:06:04.360 compared to just sitting there staring staring at the desktop with nothing 00:06:01.080 --> 00:06:08.120 running streaming a brain splattering 00:06:04.360 --> 00:06:11.520 240p video reduced battery life by 00:06:08.120 --> 00:06:13.639 29% but you guys don't watch potato 00:06:11.520 --> 00:06:21.319 content you stream in 4k so that's going to cost you about 00:06:17.080 --> 00:06:24.039 another 8 to 10% more battery life and 00:06:21.319 --> 00:06:28.800 that's just to see the video listening to it has a price too compared to having 00:06:26.639 --> 00:06:35.960 the machine muted maxing out the speakers cost us an additional 12 to 14% 00:06:33.160 --> 00:06:41.840 battery all right then but what about all that crap that you yes you have 00:06:38.800 --> 00:06:44.280 running in the background well we opened 00:06:41.840 --> 00:06:50.560 up a bunch of apps and extra browser tabs to see how the system holds up and 00:06:47.520 --> 00:06:53.639 compared to our Baseline these 00:06:50.560 --> 00:06:57.680 relatively common background tasks 00:06:53.639 --> 00:07:00.000 actually cut our battery life in half 00:06:57.680 --> 00:07:06.120 although it should be noted that you can mitigate some of this with an alternate 00:07:03.000 --> 00:07:09.319 power plan so we tested Windows's 00:07:06.120 --> 00:07:13.160 recommended balanced mode against power 00:07:09.319 --> 00:07:16.520 saver with and without background tasks 00:07:13.160 --> 00:07:18.800 with very impressive results power saver 00:07:16.520 --> 00:07:24.360 interacts with your machine's Hardware capping your CPU's performance or 00:07:21.800 --> 00:07:30.280 prioritizing passive cooling before active cooling then we tried battery 00:07:27.520 --> 00:07:34.720 saver this feature interacts with software limiting the activity of 00:07:32.599 --> 00:07:39.720 background apps stopping live tile updates and blocking push 00:07:36.840 --> 00:07:45.120 notifications battery saver only affects universal Windows platform apps so 00:07:42.520 --> 00:07:51.080 applications from the Windows store but it just happens that Skype slack and 00:07:47.680 --> 00:07:53.639 Spotify are all WP apps hence the 00:07:51.080 --> 00:08:01.520 significant boost in our results so then if you find yourself in 00:07:57.520 --> 00:08:03.639 a battery life for death situation you 00:08:01.520 --> 00:08:08.560 can count on our tips in order of importance to achieve as much as triple 00:08:06.720 --> 00:08:13.479 the endurance while keeping your system in what we would still consider to be a 00:08:10.319 --> 00:08:15.319 very usable State step one exit as many 00:08:13.479 --> 00:08:20.800 background programs as your type A personality will allow step two turn on 00:08:18.520 --> 00:08:25.599 battery saver and if you're not doing something intensive like gaming throw on 00:08:22.919 --> 00:08:29.840 power saver too note that by default these actions may also dim your screen 00:08:27.319 --> 00:08:34.360 but you can adjust that after step three Nick the extra keyboard and mouse 00:08:31.800 --> 00:08:39.039 productivity Is for Suckers anyway step four dim your screen to a reasonable 00:08:36.959 --> 00:08:44.519 level and don't use your keyboard backlight during the day step five turn 00:08:42.599 --> 00:08:49.839 down your volume or use headphones instead of speakers you're probably just 00:08:46.480 --> 00:08:52.839 annoying people anyway damn kids step 00:08:49.839 --> 00:08:55.800 six if you're streaming video dial back 00:08:52.839 --> 00:09:00.720 the quality a little bit and step seven are you guys still here if you want to 00:08:58.399 --> 00:09:08.560 go ahead and set set a '90s resolution for 6% savings then power to you I guess 00:09:05.640 --> 00:09:12.800 a final electrifying tip something that we couldn't test for what I hope are 00:09:10.079 --> 00:09:17.399 fairly obvious reasons put your machine in narcolepsy mode so that it doesn't 00:09:15.000 --> 00:09:22.920 waste any precious energy when it's not in use then once you've done all those 00:09:19.920 --> 00:09:25.760 things you should have achieved true 00:09:22.920 --> 00:09:31.120 battery life Zen 00:09:28.120 --> 00:09:31.120 oh 00:09:32.920 --> 00:09:38.839 oh tunnel bear is the simple to use 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