Questions tagged [battery-life]

For questions about the battery life of electronic devices.

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Alternative charger for laptop

I have a DELL chromebook 3100 2 in 1 and its 65W charger does not work anymore. I have purchased on-line a new one but, as it arrives, I have tried to charge it using a quick charger for Smartphones, ...
inquirymind's user avatar
1 vote
1 answer
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What school computer should I buy?

I'm a recent graduate from high school. I want to make sure I'm prepared to enter college as a computer science major. However, I don't have a computer. I don't know which computer to get for college. ...
Josi_0905's user avatar
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Battery replacement specifications

My battery is dead and I would like to replace but cant find the same exactly battery on the market. Laptop: HP omen 15-dc1001nv Battery: SR04XL 15.4V --- 70.07Wh (Nom: 4550mAh) I have ...
Mpizos Dimitris's user avatar
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Smartphone with LiFe PO4 batteries?

I've been reading about child slave labour in the cobalt mines and do not want to have anything to do with cobalt. I don't mind having a smartphone with less than half the battery life if it means I'm ...
SeanJ's user avatar
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Best battery hardware for supplying the Raspberry Pi 4

I have the following hardware in my system with Raspberry Pi 4: Pi 4 7" HDMI display https://pt.aliexpress.com/item/1005003840302925.html Custom circuit board for a miliohmmeter All that gives ...
Clóvis Fritzen's user avatar
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1 answer
694 views

Does having a dedicated GPU in a modern Laptop affect battery life even if it is not in use

I am considering buying a new Laptop. I am not really much of a gamer, but occasionally dedicated graphics might be useful. But I am worried that it might affect battery life since I am planning on ...
user2741831's user avatar
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1 answer
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Battery upgrade for HP 15-BS laptop

I am using an HP Laptop 15-BS series for the last 4 years. For the past few days, I have been experiencing that the laptop's battery is not providing enough backup. Below are the specs of this battery ...
paul's user avatar
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Li-Ion Polymer battery capacity tester - like Opus Bt-3100 for 18650

What Searching for capacity tester for LiPo batteries, which runs full cycle (charge, discharge, charge) and displays accurate battery capacity. I am looking for same features as Opus BT-C3100, which ...
amra's user avatar
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1 answer
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Good battery charger for AA+AAA batteries, especially for older batteries that don't charge well in other chargers

I currently have a cheap budget AA & AAA charger which can only charge batteries in pairs of two, and which does not do a good job on older batteries. I'm looking for a good quality charger with ...
RocketNuts's user avatar
1 vote
1 answer
54 views

Laptop or Tablet for custom use case?

I have a kind of unique use case, I need about 5 pieces of hardware to access a custom web application and I'm in the process of researching my possibilities. My main problem is being on a quite low ...
leventecsoba's user avatar
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2 answers
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Looking for low-mid phone with good battery & screen

I need a new phone to replace a Moto G7 Power that I dropped in a lake. I would buy it again but I can't find it anywhere for near its original price (I saw one on eBay for £250, double its original ...
Jachdich's user avatar
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Rugged battery powered 4G/LTE WiFi hotspot with internal antenna, recommendations?

I've been searching a lot on the internet for a rugged battery powered 4G/LTE WiFi hotspot with internal antenna. Can't seem to find any suitable alternatives. Need to know if anybody else knows about ...
itsproject's user avatar
4 votes
1 answer
50 views

School laptop for medium-light gaming and good battery life

I'm going to be entering as a freshman Computer Engineering major next school year and am beginning to shop around for laptops to replace my Asus F510UA laptop which has been getting me through high ...
ifconfig's user avatar
  • 141
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1 answer
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Linux or Android tablet with long battery life and cheap

I am looking for a tablet, which I will use only for email and, possibly, browsing (reading news items only). No games, videos, music, etc. Bluettoth is not required; I am undecided about a SIM card. ...
Mawg says reinstate Monica's user avatar
1 vote
1 answer
51 views

Processor and battery relations

I would like to buy a new laptop, and this issue appeared: If there is a notebook with 1.4 ghz proc, and there is an another with 2.6 ghz from the same serial, how this parameters related to the ...
Peter's user avatar
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What's bond between laptop battery cell quantity and mah? I need the highest possible capacity battery for Acer Aspire 7745G

I'm looking for battery for my laptop Acer Aspire 7745G. I need the largest possible capacity and for me it doesn't matter how heavy it is. As I read in Acer website, more cells means higher weight ...
Pranciskus's user avatar
1 vote
1 answer
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Are there laptops with extremely high battery capacity?

I noticed that most laptops have batteries that have under 100 Wh of battery capacity. Usually this is fine and can last for hours if you aren't pushing the machine too hard, but I'm wondering if ...
Aaron Franke's user avatar
2 votes
0 answers
41 views

GPS tracker with long battery life and minimal display

I'm looking for a GPS receiver that has an extremely long battery life. Off-the-shelf GPS devices like the Garmin GPSMAP 64s are great, but they only go so far: they promise 16h of battery life. ...
anarcat's user avatar
  • 141
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1 answer
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Lenovo 320 - Improve battery life

I am currently student and I wanted to buy budget laptop with relative strong performance. 1 year ago I bought Lenovo 320 ideapad 8GB ram, intel 8th gen. I used it only for programming, browsing ...
VirtualUser's user avatar
3 votes
3 answers
160 views

Off the shelf cheap wearable BlueTooth Low Energy device

I am trying to design an employee tracking system, to track employees from room to room, for saftey purposes. Somewhat obviously, if requires each tracked person to carry a device which uniquely ...
Mawg says reinstate Monica's user avatar
1 vote
0 answers
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Searching a good Ultrabook for work

I'm looking for a Ultrabook with this characteristics: Essential 8th or 7th generation of CPU. (i5, i7 or amd) Not more than 13"/14" of screen size. Very important the weight... i need to travel ...
Gawey's user avatar
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1 answer
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13in Battery Thinkpad/MacBook Pro

I would like to install a battery pack on the bottom of 2017 13in MacBook Pro(I don't mind tapping it honestly). Considering it charges by USB C I am hopefully this might not be to difficult. I use ...
William's user avatar
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Is there a laptop (linux windows) that can match macbook standby time? [closed]

I have been forced 4 years ago to develop on a macbook pro (late 2013) in order to develop a mac application, although skeptical i totally fell in love with the quietness and the standby time of such ...
Alienpenguin's user avatar
0 votes
2 answers
49 views

What cell phone (with some qualifiers) has the longest battery life?

I am looking for a cell phone with very long battery life. I value long battery life so much that I am willing to sacrifice every feature except for: Basic calling/texting abilities Modern (html5) ...
Uncreative Name's user avatar
2 votes
3 answers
203 views

Chromebook or laptop for programming

I'm searching a portable machine for programming and I don't know which is the best between laptop and chromebook. Requirements: At least a 5hr life battery I'll run linux (probably ubuntu or lubntu)...
michoprogrammer's user avatar
2 votes
1 answer
197 views

Super low power WiFi server

I have been searching for a low power way to serve a configuration page over WiFi. I have a concept working on a WR703n router, serving a configuration page for an arduino project. The whole thing, ...
suborbital's user avatar
1 vote
0 answers
32 views

Is reducing the number of active cores in my pc a good idea considering heat and battery troubles? [closed]

MOVED TO SUPERUSER STACKEXCHANGE I have a HP Pavillion dv6 laptop for about 6 years now, but I have always had heat (the computer now and then "freezes" because of over-heating, even when I am ...
BNJMNDDNN's user avatar
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1 vote
1 answer
873 views

Where can I buy a basic non-smart monochrome phone online? (long battery life)

I am looking for a basic phone, to make calls and sens/receive SMS. Nothing more - all else is battery drain, and I am looking for the longest battery life that I can find. To that end, I am looking ...
Mawg says reinstate Monica's user avatar
6 votes
3 answers
76 views

Large battery Android phone, able to charge other devices

I need a really large battery Android phone. It should be able to charge other devices using it's own battery power. It must run a relatively new version of Android (4.3 or newer). It must also cost ...
Pete's user avatar
  • 111