Surface Book 2 Battery life

Question

Surface Book 2 Battery life

Anonymous

Hello, I recently bought a Surface Book 2 for University.

Everything on my surface book 2 seems to work perfectly fine, no glitches and no problems with the screen or keyboard. However, I've realised that my battery is dying incredibly fast whilst doing, what I consider, simple tasks. I basically roam the internet and watch a few youtube videos here and there, since uni hasn't started, I'm just using my laptop for entertainment. I've done quite a bit of research on the SB 2 and I know for most people the battery lasts around 9-10 hrs, which is one of the reasons I bought the laptop, whereas my SB 2 only lasts approximately 4-5hrs whilst just using the internet.

I was wondering if anyone is experiencing the same thing and if someone has found a solution because I live in England, so there isn't a store I can really go to. I would have to send it back for repairs... which would take a while and defies having the laptop for uni.

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4 answers

Answer 1

Anonymous

I am still only getting about 4 to 6hrs of battery life out of my surface unless its in stand by, then i get 11?

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Answer 2

I put this in a seperate reply so it would be easier to read. Here is the report:

Power Efficiency Diagnostics Report

Computer Name	DESKTOP-83O44C1
Scan Time	2018-09-01T13:40:23Z
Scan Duration	60 seconds
System Manufacturer	Microsoft Corporation
System Product Name	Surface Book 2
BIOS Date	06/28/2018
BIOS Version	389.2268.769
OS Build	17134
Platform Role	PlatformRoleSlate
Plugged In	false
Process Count	196
Thread Count	2540
Report GUID	{3e70c67d-b30a-4077-a40c-e5fdbda91e1e}

Analysis Results Errors

CPU Utilisation:Processor utilisation is high

The average processor utilisation during the trace was high. The system will consume less power when the average processor utilisation is very low. Review processor utilisation for individual processes to determine which applications and services contribute the most to total processor utilisation.

Average Utilisation (%)	4.65

Warnings

USB Suspend:USB Device Rarely Entering Selective Suspend

This device intermittently entered the USB Selective Suspend state during the trace. Processor power management may be prevented when this USB device is not in the Selective Suspend state. Note that this issue will not prevent the system from sleeping.

Device Name	USB Input Device
Host Controller ID	PCI\VEN_8086&DEV_9D2F
Host Controller Location	PCI bus 0, device 20, function 0
Device ID	USB\VID_045E&PID_0922
Port Path	1,3
Time Suspended (%)	27

USB Suspend:USB Device Rarely Entering Selective Suspend

This device intermittently entered the USB Selective Suspend state during the trace. Processor power management may be prevented when this USB device is not in the Selective Suspend state. Note that this issue will not prevent the system from sleeping.

Device Name	Generic USB Hub
Host Controller ID	PCI\VEN_8086&DEV_9D2F
Host Controller Location	PCI bus 0, device 20, function 0
Device ID	USB\VID_045E&PID_0942
Port Path	1
Time Suspended (%)	27

CPU Utilisation:Individual process with significant processor utilisation.

This process is responsible for a significant portion of the total processor utilisation recorded during the trace.

Process Name	dwm.exe
PID	13628
Average Utilisation (%)	0.81
Module	Average Module Utilisation (%)
\Device\HarddiskVolume3\Windows\System32\dwmcore.dll	0.30
\SystemRoot\system32\ntoskrnl.exe	0.17
\Device\HarddiskVolume3\Windows\System32\ntdll.dll	0.10

CPU Utilisation:Individual process with significant processor utilisation.

This process is responsible for a significant portion of the total processor utilisation recorded during the trace.

Process Name	SearchUI.exe
PID	11464
Average Utilisation (%)	0.59
Module	Average Module Utilisation (%)
\Device\HarddiskVolume3\Windows\System32\Chakra.dll	0.20
\Device\HarddiskVolume3\Windows\System32\ntdll.dll	0.12
\SystemRoot\system32\ntoskrnl.exe	0.08

CPU Utilisation:Individual process with significant processor utilisation.

This process is responsible for a significant portion of the total processor utilisation recorded during the trace.

Process Name	System
PID	4
Average Utilisation (%)	0.36
Module	Average Module Utilisation (%)
\SystemRoot\system32\ntoskrnl.exe	0.20
\SystemRoot\system32\hal.dll	0.11
\SystemRoot\System32\DriverStore\FileRepository\64jp6136.inf_amd64_e14b1e8ce2e2a361\igdkmd64.sys	0.00

CPU Utilisation:Individual process with significant processor utilisation.

This process is responsible for a significant portion of the total processor utilisation recorded during the trace.

Process Name	chrome.exe
PID	11344
Average Utilisation (%)	0.35
Module	Average Module Utilisation (%)
\Device\HarddiskVolume3\Program Files (x86)\Google\Chrome\Application\68.0.3440.106\chrome.dll	0.12
\SystemRoot\system32\ntoskrnl.exe	0.09
\SystemRoot\System32\win32kbase.sys	0.04

Platform Power Management Capabilities:Wireless access point does not support WMM Power Save

The wireless access point that the computer is connected to does not support WMM Power Save Mode. The wireless network adapter cannot enter Power Save mode to save energy as defined in the Wireless Adapter Power Policy.

SSID	Guga à² _à²
MAC Address	b8:08:d7:bc:d1:3a

Information

Platform Timer Resolution:Platform Timer Resolution

The default platform timer resolution is 15.6 ms (15625000 ns) and should be used whenever the system is idle. If the timer resolution is increased, processor power management technologies may not be effective. The timer resolution may be increased due to multimedia playback or graphical animations.

Current Timer Resolution (100 ns units)	156250

Power Policy:Active Power Plan

The current power plan in use

Plan Name	OEM Balanced
Plan GUID	{381b4222-f694-41f0-9685-ff5bb260df2e}

Power Policy:Power Plan Personality (On Battery)

The personality of the current power plan when the system is on battery power.

Personality	Balanced

Power Policy:Video Quality (On Battery)

Enables Windows Media Player to optimise for quality or power savings when playing video.

Quality Mode	Balance Video Quality and Power Savings

Power Policy:Power Plan Personality (Plugged In)

The personality of the current power plan when the system is plugged in.

Personality	Balanced

Power Policy:802.11 Radio Power Policy is Maximum Performance (Plugged In)

The current power policy for 802.11-compatible wireless network adapters is not configured to use low-power modes.

Power Policy:Video quality (Plugged In)

Enables Windows Media Player to optimise for quality or power savings when playing video.

Quality Mode	Optimise for Video Quality

System Availability Requests:Analysis Success

Analysis was successful. No energy efficiency problems were found. No information was returned.

Battery:Battery Information

Battery ID	0027507802DYNM1005046
Manufacturer	DYN
Serial Number	0027507802
Chemistry	LION
Long Term	1
Sealed	0
Cycle Count	6
Design Capacity	23200
Last Full Charge	22400

Battery:Battery Information

Battery ID	3029653802SMPM1010958
Manufacturer	SMP
Serial Number	3029653802
Chemistry	LION
Long Term	1
Sealed	0
Cycle Count	6
Design Capacity	62200
Last Full Charge	63710

Platform Power Management Capabilities:Supported Sleep States

Sleep states allow the computer to enter low-power modes after a period of inactivity. The S3 sleep state is the default sleep state for Windows platforms. The S3 sleep state consumes only enough power to preserve memory contents and allow the computer to resume working quickly. Very few platforms support the S1 or S2 Sleep states.

S1 Sleep Supported	false
S2 Sleep Supported	false
S3 Sleep Supported	false
S4 Sleep Supported	true

Platform Power Management Capabilities:Connected Standby Support

Connected standby allows the computer to enter a low-power mode in which it is always on and connected. If supported, connected standby is used instead of system sleep states.

Connected Standby Supported	true

Platform Power Management Capabilities:Adaptive Display Brightness is supported.

This computer enables Windows to automatically control the brightness of the integrated display.

Platform Power Management Capabilities:Processor Power Management Capabilities