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Why won't my car start?

Why won't my car start? [more inside]
posted by torpark on Aug 20, 2008 - 25 answers

Deep Woods Rockin'

I'm looking for a simple "let's listen to music while we're camping far away from our cars" power solution. [more inside]
posted by Overzealous on Aug 12, 2008 - 19 answers

What battery do I need?

Googlefu = fail. Answer not in owners manual. What is the cold cranking amps rating for the battery which is recommended for the 2002 Nissan Sentra SER Spec V, 2.5 L. Or alternatively, what battery do I need to buy. [more inside]
posted by yoyoceramic on Aug 2, 2008 - 10 answers

What's mah mAH?

I need to buy a new battery for my Dell Inspiron 6000, and I've found two options: A and B. Obviously A is more expensive, but it has a higher mAH. I by default prefer the longest battery life possible, but I also don't know jack about laptop batteries. Searching the google has given me only whiffs and bits of information. Tell me hive, is 8000mAH better than 6600mAH enough to warrant $20 more? What can I expect from each, very roughly, in terms of hours of continuous use between charges? Also, feel free to inform me that A and/or B are terrible sites I should not buy from.
posted by ictow on Jul 28, 2008 - 4 answers

Year old Macbook running extra hot/battery draining fast. Help

Year old Macbook running extra hot/battery draining fast. Help [more inside]
posted by rbf1138 on Jul 27, 2008 - 8 answers

Life Expectancy Of A Cell Phone Battery

Could someone give me a rough estimate on how long I can expect my cell phone battery to last. I am sure there is a wide variance, but I am just looking for an average life expectancy. I use it every day and charge it in the evening. I use it approximately 3 hours a week. Thanks in advance.
posted by Mckoan1 on Jul 24, 2008 - 6 answers

Modifying electronics.

I bought the POWER TOUR Amp and it's really awesome. However I want to modify it and I don't know much at all about electronics. [more inside]
posted by PowerCat on Jul 5, 2008 - 8 answers

What battery does the Robin's Egg Vibrator use?

What battery does the Robin's Egg Wireless Vibrator use? If anyone knows the type of batteries in its remote, then even better. For reference, this is the most comprehensive list of batteries I know of. Thanks!
posted by harwons on Jul 2, 2008 - 7 answers

Will a universal Craftsman charger work with my 15.6V drill?

Will a universal Craftsman charger work with my 15.6V drill? [more inside]
posted by ets960 on Jul 1, 2008 - 2 answers

Why is ther no bat-acitor (hybrid battery/capacitor)?

Why is there no bat-acitor? (hybrid battery/capacity w/best of both) Is there some limitation in physics, chemistry, materials, etc. that prevents it, or has it just not been invented yet? [more inside]
posted by bartleby on Jun 10, 2008 - 24 answers

Is it my iBook battery or something more sinister?

iBook G4 battery is out of juice. Computer won't start up... even when AC adapter is plugged in. Is there something else going on? [more inside]
posted by kmtiszen on Jun 10, 2008 - 7 answers

Watts a volt, anyway?

Can anyone help me figure out what kind of power source I need for my outdoor art project? [more inside]
posted by xo on Jun 5, 2008 - 10 answers

Vaio gives "system timer error"

My laptop gives a "system timer error" and so I probably need some guidance in replacing my laptop's CMOS battery [more inside]
posted by daksya on Jun 3, 2008 - 9 answers

Where can I get a cheap(er) battery for my aging 2 year old Macbook?

Where can I get a cheap(er) battery for my aging 2 year old Macbook? I have tried Apple, but the price is pretty steep! I'm in Australia (Sydney specifically), if that makes a difference.
posted by ranglin on May 29, 2008 - 6 answers

Help with Battery Backup

Does anyone know where I can find the operating software and a manual for an HP Powerwise 2100 Battery Backup? APC bought HP's battery backups unit in 1994, but this unit seems to work great. I want to control it from my PC but have no software and no instructions. I've visited all of the manual sites and software download sites I can think of.
posted by CollectiveMind on May 27, 2008 - 1 answer

How to get an Alesis Micron to run on batteries?

Is there any way to modify or use an external part to get an Alesis Micron to run on batteries? [more inside]
posted by Mali on May 16, 2008 - 3 answers

How do I buy the right laptop battery when all the sites tell me I need something different?

Help my buy a new laptop battery! [more inside]
posted by kingjoeshmoe on May 10, 2008 - 7 answers

mp3 player with user-replaceable battery?

Is there an mp3 player with a user-replaceable battery? [more inside]
posted by zippy on May 4, 2008 - 16 answers

Charge me (and my batteries) up

I am charging at least 20, but up to 30 electronic components. Each will draw 300mA at 5-7VDC. What sort of power supply do I need? [more inside]
posted by tip120 on May 1, 2008 - 10 answers

How do I fix my VW golf stereo?

How to unlock my VW golf car stereo? [more inside]
posted by ethel on Apr 20, 2008 - 6 answers

Is my off-brand laptop battery toast?

My new off-brand laptop battery (Dell Latitude X1) suddenly stopped working after about three weeks of use. The BIOS says "The system could not communicate with this battery," and Windows says "No battery detected." Is there anything I can do besides shell out for an OEM battery? Is there any way to reset the internal electronics in the battery itself? [more inside]
posted by stopgap on Apr 7, 2008 - 2 answers

MacBook Battery Problems

Two, almost certainly related problems: My MacBook has taken to turning itself off while still showing as having a high battery charge. It has turned itself off while showing it at 36 minutes of battery time left. coconutBattery says that my current battery capacity is only at 54% of the original. Anything I can or should do about this? [more inside]
posted by andoatnp on Apr 5, 2008 - 12 answers

Don't make me call CarTalk.

Help with my friend's car trouble... [more inside]
posted by drpynchon on Mar 30, 2008 - 12 answers

Folding@Home and nowhere else

I want to run Folding@Home on my MacBook Pro, but I want it to only fold while plugged in. Is there a way I can do this? [more inside]
posted by mccarty.tim on Mar 24, 2008 - 6 answers

Help with Palm V

I've recently bought a old Palm V with OS 3.1. I like its elegance, simplicity and feel. I'm not interested in the email function, but I see there are upgrades available. [more inside]
posted by CollectiveMind on Mar 24, 2008 - 4 answers

Why is my cell phone battery BEING like this?

Why did my cell phone battery start dying after a few hours? [more inside]
posted by lxs on Mar 10, 2008 - 10 answers

How to freplace dead battery in sump pump?

Clueless homeowner question: Our sump pump (which has a battery for backup) is beeping and blinking, telling me to replace the battery. It looks like a car battery, but my son (he who knows how stuff works) is away ay school. What kind of battery do I get? Where do I get it? And, most scary, how do I (safely) unhook the old one and replace it with the new one. Don't assume I have even the most basic skills or knowledge.
posted by mmf on Mar 8, 2008 - 11 answers

Did I Ruin my Jeep's battery by adding oil?!

Jeep Repair: I have a 97 Grand Cherokee (actually, the badge reads "Cheeroke" for undetermined reasons). I performed some recent seemingly-unrelated maintainence./ Why isn't it starting?! [more inside]
posted by hoborg on Feb 12, 2008 - 14 answers

Can I fit a bigger battery in my UPS?

Can I fit a bigger battery in this UPS? [more inside]
posted by PowerCat on Feb 12, 2008 - 10 answers

Turn the radio off, you may be wasting my gas!

Do electrical devices running on your car's electrical system affect gas mileage? [more inside]
posted by Mister_A on Feb 7, 2008 - 18 answers

Does leaving a lithium-ion batter in a charger shorten its life?

Does leaving a lithium-ion batter in a charger shorten its life? [more inside]
posted by ManInSuit on Feb 2, 2008 - 10 answers

Am I saving a ton of cash by using Starbucks' power?

How much money am I costing, say, Starbucks if I charge my laptop there every day? [more inside]
posted by terceiro on Jan 28, 2008 - 14 answers

Car Wont Start

My Car wont start, It just clicks when i try and eventually stops doing anything! [more inside]
posted by slowtree on Jan 19, 2008 - 22 answers

NiMH AA and AAA batteries are 1.2V?

What's the deal with NiMH AA and AAA batteries being 1.2V? [more inside]
posted by knave on Jan 11, 2008 - 32 answers

2008 Toyota Camry Hybrid Battery Replacement

2008 Toyota Camry Hybrid Battery Replacement [more inside]
posted by endlessknot on Jan 4, 2008 - 4 answers

Life is such a drain.

My laptop battery drains even when the computer is turned off. [more inside]
posted by oddman on Dec 30, 2007 - 8 answers

Car electrical problems.

Can I diagnose my electrical problems with a small multi-meter? [more inside]
posted by mzurer on Dec 30, 2007 - 7 answers

start my engine, metafilter

I don't really use my car much in the winter but I park it outdoors. How do I maximize its chances of survival? [more inside]
posted by shothotbot on Dec 30, 2007 - 7 answers

iBook Battery Woes

Anyone have experience with 3rd party batteries for Apple portables? [more inside]
posted by rossination on Dec 18, 2007 - 6 answers

Smoky battery is never good.

Why did my battery start to smoke in my lovely (but old) car? [more inside]
posted by Holy foxy moxie batman! on Dec 17, 2007 - 10 answers

CCTV for remote locations

I have a need for a CCTV system in an area with no power or wired connections. The images/video would only need to be retrieved in the event of a break in or something of that ilk. What are my options? [more inside]
posted by lemonfridge on Dec 14, 2007 - 2 answers

Train a battery?

My wife has insisted for some time that you can 'train' a battery in order to optimize its performance and lifetime. [more inside]
posted by allelopath on Dec 11, 2007 - 14 answers

Mysterious battery light behaviour...

My girlfriend has a Dell Inspiron, and the battery light won't stop flashing. [more inside]
posted by synecdoche on Dec 9, 2007 - 16 answers

Replace Toshiba M55 CMOS battery

Mrs. mysterious1der's laptop (M55-S331) won't keep time accurately. I've torn apart and repaired (board swaps, not actual board level repair) dozens of Dell laptops, but this is my first Toshiba. Lo and behold, the CMOS battery is soldered to the motherboard. Do I either have to unsolder it and resolder a new one, or get a new motherboard? [more inside]
posted by mysterious1der on Dec 9, 2007 - 5 answers

The Cat Who Walked on Keyboards

Did my cat fry my laptop battery? Either way, what can I do about it? [more inside]
posted by shallowcenter on Nov 29, 2007 - 7 answers

There are four bars.

What is going on with my cellphone? [more inside]
posted by M Edward on Nov 27, 2007 - 8 answers

Cheap low-power laptop?

Help point me towards the best laptop for taking into the backcountry... [more inside]
posted by wavejumper on Nov 13, 2007 - 2 answers

Build a bike battery container

I'm working on an electric recumbent bicycle using a Bike-E as the bike part. I want to hang my batteries below the seat by building two containers to hang on the sides of the Bike-E's alloy beam body. What's the best way to build the container? [more inside]
posted by diode on Oct 31, 2007 - 7 answers

Why is my mp3 player running out of battery power?

Why does my MP3 player run out of battery power so rapidly when I connect it to an amplifier and speakers as versus when it is connected to my headphones? [more inside]
posted by geos on Oct 24, 2007 - 4 answers

NYC car battery replacement?

I have a 1995 Ford Thunderbird in NYC/upper Manhattan. I suspect my battery is dead. Where can I get it replaced? [more inside]
posted by ofthestrait on Oct 24, 2007 - 5 answers

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