the massive 21000 milliamp hours battery of the Oukitel wp-19 promises seven days of average use
and up to 94 days which is about 2200 hours in standby mode
the other phone we have here today is the Unihertz Tank which has a 22000 milliamp hours battery
that promises 150 hours of calling time and as many as 2380 hours which is almost 100 days of standby time
according to the manufacturer
in today's video we're going to be focused on the battery drain battle between the two of the biggest battery phones ever made:
the Unihertz Tank and the Oukitel wp19
we got both phones side by side
both phones are 100% battery health
I've equalized the brightness and the speaker's volume in both phones at 50% so let's see which one wins
we'll start by running YouTube videos for a few hours
and then we'll try recording 4K videos
we'll see which phone can last the longest under these demanding conditions
I'll be checking the battery level every now and then to see how much it's drained
as you know the biggest battery drain in any phone is the screen
so if you're watching the video your battery is going to drain quickly
the processor and the GPU are also major battery drains
so anything that puts a strain on those components will also drain the battery
you've been often asking for this particular video in the comments
so now we're finally putting these two monster battery phones to the tests
by the way the Oukitel wp19 was the first phone with a massive 21000 milliamp hours battery
but it disappointed some users with its short battery life
the Unihertz Tank is a newer rugged phone with even bigger 22000 milliamp hours battery
so we expect it to win this battle however the wp19 might still surprise us
as you know there's another giant phone released not long ago which is trying to keep up with the competitors
Doogee VMax which is equipped with the same size battery as the Tank
so probably in our future videos we might drain the life out of its battery too to see which one would last longer
I was recently asked why mobile phones get hotter when their battery levels are critically low
well, here's the answer:
when the phone's battery is low it has to work harder to keep up with the demands of the phone
this is because the battery voltage decreases as it gets closer to empty
and the phone has to draw more current to maintain the same power output
this increased current draw creates more heat which is why phones get hotter when their batteries are low
right, after 5 hours and 47 minutes of constant YouTube streaming
there's 87% of battery left on the W19 and 88% of battery left on the Tank
both phones were set to 50% volume and 50% of screen brightness
please keep in mind that the battery indicators are more accurate on newer phones like these two
which have more advanced battery management systems however
even the most accurate battery indicators can be inaccurate at times like this when the phones are under heavy use
let's check the battery levels
both batteries are at 75 percent
that's not bad, let's keep streaming for a bit longer and then we'll try the video capturing and see how this will impact the battery
another hour and a half has passed and the batteries on both phones are at 72 percent
guys, if I'm gonna keep streaming videos it will take forever
let's try something more drastic - 4K video recording
although it records on the back camera it still uses the full processing power and the microphone and the file management system to store the captured material
even if it's just a black screen as the phones are lying on their back cameras
the phones are getting hot after 5 hours and 8 minutes of constant video recording
and the battery levels have dropped to 41% on both phones
let's go back to YouTube streaming - this will give the phones a chance to cool down a bit
after another two hours we see some movement on the battery indicators
the Oukitel shows 35% and the Tank 36%
let's capture some more 4K videos
this will be a good representation of mixed use
after 21 hours and 10 minutes total the Oukitel has only 25 percent of battery left
and the Unihertz 27 percent
in this time there were 7 hours of 4K video capturing and the rest was YouTube streaming
both phones are hot so let's go back to streaming YouTube until both batteries die
in a real world use the battery life of your phone will depend on a variety of factors
such as: how you use your phone
the settings you have enabled and the network conditions
if you're looking for a phone with a great battery life then both of these phones are a great options
bam! the Oukitel died after 25 hours and 29 minutes
but Unihertz which has a 1000 milliamp hours bigger battery is still going strong
Bam! it took 25 hours and 45 minutes to completely drain the 22000 milliamp hours battery of the Unihertz Tank
[fatality]
it's dead - we practically drained the life out of these two monster phones and tested what is arguably the most core fundamental phone feature for all of us - the battery
okay guys that's it for today
I hope you enjoyed that video and found it pretty informative and useful
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