Questions tagged [battery-life]

For questions about the battery life of electronic devices.

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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. ...
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1answer
21 views

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 ...
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13 views

Programmable Text-Pager Receiver

For various reasons, I sometimes carry a one-way pager. Trust me: there's a reason. I'm looking for a smaller, lower-power pager receiver that I can program the ID of. Since pages are unencrypted, ...
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18 views

Portable battery tester for UPS systems

I'm looking for handheld or portable battery tester, to be used by technician to test various UPS batteries and battery strings. The tester shall be able to evaluate the state of the battery, like ...
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0answers
7 views

AI based camera to monitor entering/exiting people

I am making a AI based camera device to monitor entering/exiting people at houses front door. I am looking for a hardware to accommodate following things: Low power consumption (to maximize low ...
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1answer
58 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 ...
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7 views

What charger can charge NiMH batteries without overcharging?

I have a bunch of different types of NiMH rechargeable batteries from when I was a kid (from GameBoy, etc.), and I wanted to use them to the full before taking them to be recycled. The problem is, ...
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0answers
40 views

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 ...
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1answer
35 views

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 ...
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0answers
29 views

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 ...
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2answers
41 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) ...
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3answers
144 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)...
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1answer
151 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, ...
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0answers
30 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 ...
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1answer
610 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 ...
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3answers
75 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 ...