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Sunday, February 09, 2014

Update on Dell Venue Pro 8 Usage

After the initial hiccups with firmware and updates, I have to admit that my Venue has grown on me considerably. Even after a few months, the battery life keeps bringing it out of the laptop bag. This is what the Surface Pro should strive for if it wants to become a defacto standard. Here is the output from powercfg /batteryreport: Battery report

Battery report

COMPUTER NAME VENUEPRO
SYSTEM PRODUCT NAME DellInc. Venue 8 Pro 5830
BIOS A01 10/11/2013
OS BUILD 9600.16452.x86fre.winblue_gdr.131030-1505
PLATFORM ROLE Slate
CONNECTED STANDBY Supported
REPORT TIME 2014-02-09 13:09:11

Installed batteries

Information about each currently installed battery
BATTERY 1
NAMESR Real Battery
MANUFACTURERIntel SR 1
SERIAL NUMBER123456789
CHEMISTRYLION
DESIGN CAPACITY18,675 mWh
FULL CHARGE CAPACITY18,353 mWh
CYCLE COUNT38

Recent usage

Power states over the last 3 days
START TIME STATE SOURCE CAPACITY REMAINING
2014-02-06 13:16:50 Active Battery 31 % 5,794 mWh
13:32:31 Connected standby Battery 27 % 5,115 mWh
14:46:08 Active Battery 26 % 4,898 mWh
15:10:52 Connected standby Battery 20 % 3,735 mWh
16:24:35 Active Battery 18 % 3,450 mWh
16:31:47 Connected standby Battery 17 % 3,146 mWh
16:52:01 Active Battery 16 % 3,068 mWh
17:55:01 Connected standby Battery 2 % 461 mWh
17:55:02 Suspended 2 % 461 mWh
2014-02-07 16:54:05 Connected standby Battery 100 % 18,533 mWh
16:54:05 Active Battery 100 % 18,533 mWh
17:58:15 Connected standby Battery 87 % 16,226 mWh
18:00:37 Active Battery 87 % 16,219 mWh
20:36:07 Connected standby Battery 57 % 10,631 mWh
20:41:48 Active Battery 57 % 10,616 mWh
21:00:27 Connected standby Battery 54 % 9,986 mWh
21:01:53 Active Battery 54 % 9,979 mWh
21:21:43 Connected standby Battery 49 % 9,203 mWh
21:32:56 Active Battery 49 % 9,184 mWh
22:13:01 Connected standby Battery 43 % 7,916 mWh
2014-02-08 07:49:34 Active Battery 38 % 6,983 mWh
10:15:20 Connected standby Battery 2 % 458 mWh
10:15:21 Suspended 2 % 458 mWh
18:55:32 Connected standby Battery 100 % 18,308 mWh
18:55:32 Active Battery 100 % 18,308 mWh
19:29:48 Connected standby Battery 93 % 17,014 mWh
19:35:10 Active Battery 93 % 16,999 mWh
19:51:04 Connected standby Battery 90 % 16,459 mWh
19:55:46 Active Battery 90 % 16,444 mWh
20:08:24 Connected standby Battery 88 % 16,061 mWh
20:15:55 Active Battery 87 % 16,046 mWh
20:19:34 Connected standby Battery 87 % 15,915 mWh
20:19:41 Active Battery 87 % 15,915 mWh
20:37:28 Connected standby Battery 83 % 15,176 mWh
20:37:45 Active Battery 83 % 15,173 mWh
20:42:29 Connected standby Battery 82 % 14,993 mWh
20:45:16 Active Battery 82 % 14,981 mWh
21:20:10 Connected standby Battery 74 % 13,665 mWh
21:22:56 Active Battery 74 % 13,643 mWh
21:31:56 Connected standby Battery 72 % 13,305 mWh
21:34:50 Active Battery 72 % 13,294 mWh
22:07:10 Connected standby Battery 66 % 12,086 mWh
22:22:26 Active Battery 66 % 12,045 mWh
22:41:25 Connected standby Battery 62 % 11,325 mWh
22:48:40 Active Battery 62 % 11,306 mWh
22:58:41 Connected standby Battery 60 % 10,935 mWh
2014-02-09 08:03:29 Active Battery 54 % 9,994 mWh
09:33:08 Connected standby Battery 34 % 6,244 mWh
09:45:16 Active Battery 34 % 6,221 mWh
09:45:48 Active AC 34 % 6,195 mWh
09:59:28 Connected standby AC 34 % 6,221 mWh
13:02:14 Connected standby Battery 71 % 13,009 mWh
13:02:14 Active Battery 71 % 13,009 mWh
13:02:18 Connected standby Battery 71 % 13,009 mWh
13:02:18 Active Battery 71 % 13,009 mWh
13:08:00 Report generated Battery 71 % 13,009 mWh

Battery usage

Battery drains over the last 3 days
START TIME STATE DURATION ENERGY DRAINED
2014-02-06 13:16:50 Active 0:15:404 % 679 mWh
13:32:31 Connected standby 1:13:361 % 217 mWh
14:46:08 Active 0:24:446 % 1,163 mWh
15:10:52 Connected standby 1:13:432 % 285 mWh
16:24:35 Active 0:07:122 % 304 mWh
16:31:47 Connected standby 0:20:13-78 mWh
16:52:01 Active 1:03:0014 % 2,607 mWh
17:55:01 Connected standby 0:00:00--
2014-02-07 16:54:05 Connected standby 0:00:00--
16:54:05 Active 1:04:1012 % 2,307 mWh
17:58:15 Connected standby 0:02:21-7 mWh
18:00:37 Active 2:35:3030 % 5,588 mWh
20:36:07 Connected standby 0:05:41-15 mWh
20:41:48 Active 0:18:383 % 630 mWh
21:00:27 Connected standby 0:01:26-7 mWh
21:01:53 Active 0:19:504 % 776 mWh
21:21:43 Connected standby 0:11:12-19 mWh
21:32:56 Active 0:40:057 % 1,268 mWh
22:13:01 Connected standby 9:36:325 % 933 mWh
2014-02-08 07:49:34 Active 2:25:4635 % 6,525 mWh
10:15:20 Connected standby 0:00:00--
18:55:32 Connected standby 0:00:00--
18:55:32 Active 0:34:167 % 1,294 mWh
19:29:48 Connected standby 0:05:21-15 mWh
19:35:10 Active 0:15:533 % 540 mWh
19:51:04 Connected standby 0:04:41-15 mWh
19:55:46 Active 0:12:382 % 383 mWh
20:08:24 Connected standby 0:07:31-15 mWh
20:15:55 Active 0:03:381 % 131 mWh
20:19:34 Connected standby 0:00:07--
20:19:41 Active 0:17:474 % 739 mWh
20:37:28 Connected standby 0:00:16-3 mWh
20:37:45 Active 0:04:441 % 180 mWh
20:42:29 Connected standby 0:02:47-12 mWh
20:45:16 Active 0:34:537 % 1,316 mWh
21:20:10 Connected standby 0:02:46-22 mWh
21:22:56 Active 0:08:592 % 338 mWh
21:31:56 Connected standby 0:02:54-11 mWh
21:34:50 Active 0:32:197 % 1,208 mWh
22:07:10 Connected standby 0:15:15-41 mWh
22:22:26 Active 0:18:594 % 720 mWh
22:41:25 Connected standby 0:07:14-19 mWh
22:48:40 Active 0:10:012 % 371 mWh
22:58:41 Connected standby 9:04:485 % 941 mWh
2014-02-09 08:03:29 Active 1:29:3820 % 3,750 mWh
09:33:08 Connected standby 0:12:08-23 mWh
09:45:16 Active 0:00:31-26 mWh
13:02:14 Connected standby 0:00:00--
13:02:14 Active 0:00:03--
13:02:18 Connected standby 0:00:00--
13:02:18 Active 0:05:41--

Usage history

History of system usage on AC and battery
BATTERY DURATION AC DURATION
PERIOD ACTIVE CONNECTED STANDBY ACTIVE CONNECTED STANDBY
2013-12-13 - 2013-12-2029:24:0578:07:49 0:15:0217:31:27
2013-12-20 - 2013-12-2719:43:1096:55:44 13:05:416:10:31
2013-12-27 - 2014-01-0352:36:5647:59:31 6:56:2140:05:08
2014-01-03 - 2014-01-1027:00:0592:46:33 1:47:0422:37:36
2014-01-10 - 2014-01-1723:10:0283:33:18 0:26:4437:44:26
2014-01-17 - 2014-01-2420:26:1369:23:52 0:30:0623:41:52
2014-01-24 - 2014-01-3122:15:0795:59:01 0:09:5922:06:04
2014-02-013:28:3920:30:51 --
2014-02-026:01:4610:14:23 0:09:522:35:21
2014-02-035:00:179:05:12 0:10:029:44:08
2014-02-044:38:335:12:46 0:00:0614:08:12
2014-02-052:11:3920:09:31 0:00:061:38:25
2014-02-062:46:4615:07:56 --
2014-02-074:58:082:07:38 --
2014-02-085:39:469:39:39 --

Battery capacity history

Charge capacity history of the system's batteries
PERIOD FULL CHARGE CAPACITY DESIGN CAPACITY
2013-12-13 - 2013-12-2018,478 mWh 18,675 mWh
2013-12-20 - 2013-12-2718,649 mWh 18,675 mWh
2013-12-27 - 2014-01-0318,572 mWh 18,675 mWh
2014-01-03 - 2014-01-1018,670 mWh 18,675 mWh
2014-01-10 - 2014-01-1718,652 mWh 18,675 mWh
2014-01-17 - 2014-01-2418,292 mWh 18,675 mWh
2014-01-24 - 2014-01-3118,219 mWh 18,675 mWh
2014-02-0118,675 mWh 18,675 mWh
2014-02-0218,675 mWh 18,675 mWh
2014-02-0318,675 mWh 18,675 mWh
2014-02-0418,675 mWh 18,675 mWh
2014-02-0518,670 mWh 18,675 mWh
2014-02-0618,642 mWh 18,675 mWh
2014-02-0718,593 mWh 18,675 mWh
2014-02-0818,453 mWh 18,675 mWh

Battery life estimates

Battery life estimates based on observed drains
AT FULL CHARGE AT DESIGN CAPACITY
PERIOD ACTIVECONNECTED STANDBY ACTIVECONNECTED STANDBY
2013-12-13 - 2013-12-207:04:14
135:17:27
12 % / 16 h 		7:08:46
136:44:00
12 % / 16 h
2013-12-20 - 2013-12-278:34:25
183:28:41
9 % / 16 h 		8:35:08
183:44:02
9 % / 16 h
2013-12-27 - 2014-01-037:16:23
172:15:59
9 % / 16 h 		7:18:48
173:13:18
9 % / 16 h
2014-01-03 - 2014-01-107:44:47
91:35:54
17 % / 16 h 		7:44:54
91:37:22
17 % / 16 h
2014-01-10 - 2014-01-178:44:44
194:32:27
8 % / 16 h 		8:45:23
194:46:51
8 % / 16 h
2014-01-17 - 2014-01-247:54:17
126:14:07
13 % / 16 h 		8:04:13
128:52:43
12 % / 16 h
2014-01-24 - 2014-01-317:49:32
111:26:00
14 % / 16 h 		8:01:17
114:13:21
14 % / 16 h
2014-02-016:41:05
113:04:34
14 % / 16 h 		6:41:05
113:04:34
14 % / 16 h
2014-02-027:01:14
136:17:54
12 % / 16 h 		7:01:14
136:17:54
12 % / 16 h
2014-02-038:00:29
136:50:58
12 % / 16 h 		8:00:29
136:50:58
12 % / 16 h
2014-02-048:20:37
166:24:28
10 % / 16 h 		8:20:37
166:24:28
10 % / 16 h
2014-02-058:11:58
183:14:00
9 % / 16 h 		8:12:06
183:16:56
9 % / 16 h
2014-02-067:27:30
123:24:03
13 % / 16 h 		7:28:18
123:37:10
13 % / 16 h
2014-02-078:44:28
272:46:06
6 % / 16 h 		8:46:47
273:58:17
6 % / 16 h
2014-02-087:36:08
170:16:07
9 % / 16 h 		7:41:37
172:19:01
9 % / 16 h
Current estimate of battery life based on all observed drains since OS install
Since OS install 7:37:45
133:11:36
12 % / 16 h 		7:45:47
135:31:49
12 % / 16 h

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