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371 posts tagged with battery.
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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

How to replace the battery in an old timex watch?

I need to replace the battery in an old timex watch ( about 30 years old ) -- I just need to know if I need to send it somewhere or if I can get a replacement battery in a store .. if so, where or what store ? Thanks!
posted by jason9009 on Oct 12, 2007 - 9 answers

What is wrong with the MIGHTY MERCURY?

What is going on with my 1998 Mercury Sable? [more inside]
posted by ForeverDcember on Oct 5, 2007 - 8 answers

Is my mac battery dying or is there another problem?

Is my mac battery dying or is there another problem? My macbook is almost a year old. Suddenly my battery life sucks. I just opened it up after charging it over night and it only registered 1:33 minutes left. Right now, only minutes later it is at 79% with 1:09 left. It’s dropping faster then the elapsed time. [more inside]
posted by jeffreyclong on Oct 4, 2007 - 12 answers

Peddle to the [lithium] metal

Where to buy a laptop battery? [more inside]
posted by trim17 on Oct 3, 2007 - 9 answers

Brand New Ibook Battery Won't Charge

My new off-brand battery for my ibook G4 won't charge past 49%. Help! [more inside]
posted by ilyanassa on Sep 27, 2007 - 5 answers

Batteries running down and I can't keep up

Coincidence, or a problem with a wall outlet in my new apartment? My cell phone and laptop batteries are suddenly holding charges for shorter and shorter periods of time. [more inside]
posted by bassjump on Sep 24, 2007 - 6 answers

Why aren't my Macbook and battery communicating with each other?

My Macbook has stopped recognizing/charging the battery. Help. [more inside]
posted by 4ster on Sep 13, 2007 - 17 answers

how far can i drive on my dying battery?

After jump-starting a dead car battery, how far can I expect to be able to drive it? [more inside]
posted by foxinthesnow on Aug 29, 2007 - 24 answers

Wanted: inverter that will drain a battery all the way?

My brother is looking for an inverter to use with a deep cycle battery while camping. [more inside]
posted by croutonsupafreak on Aug 12, 2007 - 8 answers

I really hate going to (genius) bars

iPod nightmare: my 30GB 5G w/Video crashed yesterday morning and won't restore. Do I have any options before taking it to the Genius Bar? [more inside]
posted by XQUZYPHYR on Aug 7, 2007 - 8 answers

Stubborn powerbook battery won't charge

The battery in my G4 Powerbook won't charge, and I am a long way from any technical help! [more inside]
posted by Rumple on Jul 30, 2007 - 5 answers

iPhone Battery Charging

We've all been reading about the iPhone and its battery that's supposed to last 300-400 charges. How do they define "charge"? I usually charge mine every night, when the battery is at about 50%. Is that a "charge"? If I top my iPhone off when it's at 80%, is that a charge? What's the best way to preserve the life of my iPhone battery?
posted by yizzle on Jul 8, 2007 - 10 answers

What's the damage?

A friend and I were charging the battery of a 2001 Honda Odyssey. He attached the cables to the wrong terminals of the dead battery. How much damage might we have done? [more inside]
posted by torticat on Jun 10, 2007 - 8 answers

How can I get my laptop to tell me how much charge it really has?

My laptop tells me that my battery is Critical, then it lasts for a further half hour! What is going on? [more inside]
posted by cholly on Jun 7, 2007 - 8 answers

Olympus SP-350 battery/firmware issues

Olympus SP-350: How can I fix the battery issues or update the firmware? (for free) [more inside]
posted by beerbajay on Jun 1, 2007 - 3 answers

HP laptop battery issues...

Help me diagnose my laptop battery problems... [more inside]
posted by drpynchon on May 28, 2007 - 10 answers

Battery charger for 12V power supply?

Calling electricians: can I use one of those "battery chargers" they sell at Auto Zone to power a small appliance that needs 12V? [more inside]
posted by hodyoaten on May 26, 2007 - 13 answers

Broke down in Berkeley.

My car won't start. [more inside]
posted by sophist on May 24, 2007 - 16 answers

Looking for the best value AA battery available (or "Let's Have Some Truth in Battery Advertising")

So Energizer or Duracell? Or some other brand? I'm confused. Apparently they are both 5 times more powerful than the other. I'm looking for the best value-for-money AA battery on the market (i.e. battery hours per dollar). I understand it depends to some extent on the device. Let's say two devices - the TV remote control - and a digital camerra. Anyone have a link to the definitive report? [more inside]
posted by zaebiz on May 13, 2007 - 28 answers

Vicious circle

My car dies periodically and the shop tinkers with it (starter, alternator, battery, etc.) but my mechanic has opined that part of the problem may be that I don't drive it enough. Does anyone have any experience with trickle chargers? [more inside]
posted by Morrigan on May 7, 2007 - 31 answers

How to remove broken power adapter stem from inside laptop?

The tip (inside stem) of my power adapter broke off in my wife's computer (White iBook G4). Thus, its unable to recharge. How do I get it out? What are these parts called so I can look it up at an appropriate place? [more inside]
posted by GPF on Apr 24, 2007 - 16 answers

Cell Phone and Bluetooth Battery Life

Would a new Bluetooth headset reduce my cell phone battery life by 75%? [more inside]
posted by Ynoxas on Apr 16, 2007 - 8 answers

Got To Delete Them Freakin All

How to reset completely one of them new fangled game carts. Befuddled SNES user ahead inside. [more inside]
posted by jeribus on Apr 14, 2007 - 9 answers

Notebook battery retail sources

Is there anyway to purchase a new battery for a Dell inspiron without going through Dell? [more inside]
posted by crush-onastick on Apr 14, 2007 - 7 answers

External Laptop Battery Pack

Is there a way to reuse an apple powerbook g4 battery to power a macbook pro? I know that it doesn't fit, but I'm hoping there is some kind of external pack that can accept and charge a powerbook battery but which can power a macbook pro. Any ideas? [more inside]
posted by jwiener on Apr 5, 2007 - 5 answers

Lenovo battery failure: a cruel April Fools joke?

The battery in my IBM/Lenovo Thinkpad Z60t went out of warranty 4/29/07. When I woke up today, the machine says "Irreparable damage to the battery has been detected. Replace the battery with a new one." Is it really damaged? Could it be a broken sensor? Some kind of software glitch? Is this typical? Is there a better alternative to the $159 replacement?
posted by fourstar on Apr 1, 2007 - 15 answers

Autonomous Lights for Installation Art

I'm looking to do an art project that involves photographing a bunch of lights, 25-50 lights, spread throughout a small area of a pine forest. What would be the best, really cheap, way to make these "independent lights". [more inside]
posted by ztdavis on Mar 2, 2007 - 21 answers

pod people

If I send my 3rd generation iPod in to Apple for a battery replacement, will I get a refurb 3rd gen or a 5.5? [more inside]
posted by b1tr0t on Feb 20, 2007 - 15 answers

Should I buy a solar trickle charger?

Car battery solar trickle charger -- fact or fiction? [more inside]
posted by Mid on Feb 8, 2007 - 16 answers

Recommend a battery-powered outlet

Recommend a portable battery-driven power outlet, ideally suited to plug a cash register into all day at conventions. [more inside]
posted by Kemayo on Jan 29, 2007 - 7 answers

How long do batteries last in a Wiimote?

Wii owners: How long did your original pack-in Panasonic batteries last in your Wiimote? [more inside]
posted by Durhey on Jan 21, 2007 - 11 answers

Obsessive saving of documents isn't cutting it.

My year-old Powerbook G4 has acquired the habit of suddenly shutting off when it thinks it has no more power, which usually happens when the menubar item says the battery is around 30% full. Do I need a new battery? Or can I massage it into the proper sleeping/hibernating behavior somehow?
posted by dreamyshade on Jan 18, 2007 - 8 answers

Where to buy a new battery for a 2-year-old cell phone?

Where should I buy a battery for a 2-year-old cell phone? My LG VX6100 is down to 48 hours of standby time, and I'd prefer not to get a new phone (and renew my cell carrier contract) right now. But a compatible battery does not seem to be available from a small handful of trustworthy sources, only from dozens of anonymous cell phone accessory stores. I'm wary of lousy or simply fake cell phone battery stores selling refurbished or used batteries as if they were new. Does anyone know of any reputable sources of new cell phone batteries for old phones? [more inside]
posted by dan_of_brainlog on Jan 12, 2007 - 7 answers

How much exactly will using my laptop on AC destroy my battery?

How much exactly will using my laptop on AC destroy my battery? [more inside]
posted by qvantamon on Nov 25, 2006 - 15 answers

How can I save my laptop?

I spilt Top Ramen on my laptop - is it gone for good? [more inside]
posted by brittanyq on Nov 17, 2006 - 6 answers

Wait, wait, wait! Let me just...um...dial in the...patch for this...song...hold on...sorry...um...

I need to change the backup battery on my Roland Juno-60 synthesizer. [more inside]
posted by 2or3whiskeysodas on Nov 7, 2006 - 2 answers

Power adapter, battery, wall socket?

Help me understand/explain anomalous laptop power adapter and/or battery behaviour. Why would it be dead, then fine? Why would the system crash when it should hibernate? [more inside]
posted by tiamat on Oct 27, 2006 - 6 answers

Do I really need to fully charge my new Ipod battery?

I just got a new battery in my ipod. The instructions say I need to charge it for a few hours before using. Is there any reason for me not to unplug it before it fully charges and start using it?
posted by ManInSuit on Oct 26, 2006 - 19 answers

Thinkpad battery won't charge fully

Why won't my Thinkpad battery charge fully when it's plugged into the wall? [more inside]
posted by escabeche on Oct 24, 2006 - 10 answers

Why oh why won't my laptop behave?

My laptop isn't getting along with it's power supply. I thought it was the power supply, but apparently not. Help please! [more inside]
posted by JonahBlack on Oct 17, 2006 - 11 answers

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