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Generally speaking capacitors store energy directly in the form of an electric field created between two conductive objects separated by a non-conductive material. Charge does flow into and out of a capacitor's plates but outside of leakage current charge...
Started by e44-72 batteries, capcitors, on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at electro-tech-online):
Does this mean batteries do store charge or is it just energy?
Thank you for your help and replies The potential difference drops over time because electron transfer (which isn't much) the....
The batteries potential difference drops?.
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How many car batteries would i need to produce 1000 watts of energy for 1 hour? so lets say i wanted to build a windmill to connect to "X" amount of car batteries to produce 1000 watts of constant power for 1 hour is it possible? Assuming that it is how...
Started by ~Alan~ on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at yahoo):
Charging lead acid batteries is about 50.
Hours ( a watt is voltage times current ) so you would need two such batteries to provide you with 1,000 watts for one hour and about 8 batteries for 6 hours.
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I have just invested in a set of 2460mAh rechargeable NiMH AA batteries for my Apple wireless mouse and keyboard - I felt a little guilty dumping the non-rechargeables in the bin.
However, I notice that these cells are rated 1.2V which I understand is...
Started by teabot on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
From the Wikipedia article on rechargeable batteries :
Also note....
Most off faster for them than for NiMH batteries.
This is not a problem in most devices because alkaline batteries drop in voltage as the energy is depleted.
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Ask your Facebook Friends
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Started by guy_noir on
, 22 posts
by 19 people.
Answer Snippets (Read the full thread at reddit):
Also volt square battery casing for ....
It takes energy to push the electricity through the foil, which could heat it up.
Current from AAA batteries that is normally expected from AA ones, you might damage them and cause a resistor.
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On Thu, 29 Oct 2009 20:28:33 -0700 (PDT), Bob Nixon <bigrex2005@yahoo.com
http://www.revolttechnology.com/res/news/2009%209%2025%20Rechargeable%20Zinc-air%20Batteries.pdf
Bob Nixon..
Started by Bob Nixon on
, 13 posts
by 7 people.
Answer Snippets (Read the full thread at omgili):
These batteries were especially developed.
That
probably says something about the limitations of their batteries--I'd expect;stevenkeith2@hotmail.comwrote:
You speed read it too fast.
As their first market.
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There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever owned, and I just got a new one, so please help me ...
Started by Mala on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at superuser):
Lastly, if you are using a battery pack that uses talk about "battery....
When charging a chemical reaction stores the energy effect Which does not affect Lithium-Ion batteries.
Batteries are a chemical device.
To prevent this.
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Are there any tools techniques to build more energy efficient applications, Any articles,rules or best practices for green programming?
Started by Jlouro on
, 27 posts
by 26 people.
Answer Snippets (Read the full thread at stackoverflow):
So eliminating things like busy waits for example out of an old server may be more energy efficient....
Interesting question - the first thought that occurs to me is going lighter on CPU is more energy into a more energy efficient state).
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Who Makes The Best AA NiMH Batteries? Just looking for the most re-charges + highest actual power batteries for my Fenix light.
Thanks
Started by Crankycrank on
, 25 posts
by 18 people.
Answer Snippets (Read the full thread at bikeforums):
Read about La Crosse chargers on CandlePowerForums batteries) AA or AAA....
If you store is key to getting the most out of your batteries.
They are some kind of hybrid technology mixed with
NimH.
Eneloops.
That typical NimH batteries.
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No1kaili Post subject: Re: Batteries / Leisure Batteries Posted: Wed Jun 15, 2011 9:40 am
Joined: Sat Nov 27, 2010 10:11 am
Posts: 483
Location: Nr Manchester
Has thanked: 33 time
Have thanks: 26 time
Highscores: 1 We renewed our LB about a month ago ...
Answer Snippets (Read the full thread at talbotoc):
Batteries are funny things, I've....
Every time you start your car energy is expended.
It is also designed for a high cyclic charge life .
Hello Dr B,
Check "Leisure batteries.
I thought fairly reasonable cost and good ebay feedback.
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Duracell AAA Plus Power Batteries (32 Pack) £8.71 @ Gizzmoheaven - Hot UK Deals Use code PAYPAL15
High energy output, reliability and long shelf life
Duracell Plus now has longer life compared to previous Duracell Plus batteries
Ideal for everyday use...
Started by Zodiak on
, 14 posts
by 13 people.
Answer Snippets (Read the full thread at hotukdeals):
Ordered thanks.
Not if you don't use many AAA batteries.
Not very green either.
More and so on.
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