Is there such a thing as an inexpensive, battery-powered air conditioner? [more inside]
posted by bingo
on Jul 3, 2006 -
Another question about NiMH rechargeable batteries: Can I use brand A batteries in a brand B charger? Also, how can I tell a 'smart' charger from the timed version I hear tell of? [more inside]
posted by tiamat
on Jun 28, 2006 -
I'm looking to purchase a "new" battery for my laptop... a simple google search
brings up a ton of possibilities, while a froogle search
brings up some more realistic prices. I'm looking for anyone that has experience with buying laptop batteries online. [more inside]
posted by hatsix
on Jun 20, 2006 -
You know how when you buy a new phone/laptop/mp3 player, the instructions always say to charge the batter fully before using it? Does that mean I shouldn't use it while it's charging? [more inside]
posted by skryche
on Jun 11, 2006 -
A fairly new (analogue) watch has started slowing and occasionally stopping. How can I check the battery's charge to see whether that's the problem or whether the watch is fundamentally horlicksed and needs to be sent back?
posted by Hogshead
on Jun 4, 2006 -
When trying to change the batteries in my maglite after a long period of neglect, I found that the cap wouldn't unscrew. After persuading it open with a pair of mol-grips, I could see that one of the batteries had leaked and there was a big grey corroded-looking stain on the inside of the battery compartment. Is there any way I can clean this up, or should I bid farewell to my trusty torch? The battery is a D cell alkaline.
posted by primer_dimer
on May 28, 2006 -
So I have a dead 4g iPod with a 60 gig hard drive. I'm thinking about buying a new 30 gig one and upgrading it myself... [more inside]
posted by bh
on Mar 3, 2006 -
I have an old portable solar panel setup rattling around, and I'd like to put it to use. [more inside]
posted by pullayup
on Mar 2, 2006 -
Anyone has information on possible electromagnetic field inside the Prius (Toyota Hybrid) from the large battery pack?
posted by semmi
on Jan 28, 2006 -
WindowsXPFilter: How can I make the power meter icon on my new laptop display the time remaining in addition to the percent of battery power left? [more inside]
posted by richardhay
on Jan 28, 2006 -
Laptop battery solutions: Should out-of-the-box battery life be the deciding factor in which laptop to purchase? Or are there reasonable workarounds? [more inside]
posted by poweredbybeard
on Dec 26, 2005 -
I'm looking for an external battery for my 5G iPod. Less than $100, at least five hours, the smaller the better. Any suggestions?
posted by JPowers
on Dec 24, 2005 -
i am thinking of getting a battery recharger and am asking if this particular type/model
posted by robbyrobs
on Dec 22, 2005 -
My laptop won't boot with the battery in, even when it's plugged in. Is it dead?
posted by miniape
on Dec 21, 2005 -
Power Inverters for cars - the thing you plug into your cigarette lighter
, with a regular wall-plug on the other end. I bought one last night, for use with gadgets on a road trip. Thing is, they offer two types, excuse the B-st B-y links: this one
(95W), which I bought, and a stronger one (150W) here
- Question is, I went with the smaller cheaper one but I know nothing about power use for things. Should I return it for the larger, or is this sufficient power to charge a laptop, camera, PSP, ipod, etc? Mostly concerned with safety to equipment and car's electrical system. THANKS FOR YOUR ADVICE. [more inside]
posted by Peter H
on Dec 16, 2005 -
Do car remote entry clickers have batteries, or are they passively activated by a field generated by the car? [more inside]
posted by qslack
on Dec 10, 2005 -
Help solve two G4 Powerbooks' battery problems! (One wakes up from sleep and depletes itself to death, one can't estimate time remaining accurately and goes to sleep when battery isn't empty) [more inside]
posted by sdis
on Dec 4, 2005 -
How can I get a new iPod, or at least a new iPod battery, for free using my still current Apple Care Plan? [more inside]
posted by crapples
on Dec 3, 2005 -
I'm sure somebody else who's travelling over Thanksgiving could also benefit from this knowledge. I brought my cell phone with me on my five-day trip to my parents' place, but of course
I forgot the charger. The question I ask is: 'tis nobler to leave the phone on continuously and hope the battery pulls through, or is it a better idea to turn the phone off every night and turn it on only at the point in the day when I plan to use it? Does powering off and on drain more battery power than idling / the cell phone equivalent of "sleep"? FWIW, I have a relatively new Nokia 6682, and the battery is currently showing a full charge but I suspect it's lying, as I think it's been at least 24 hours since I charged it (that said, this battery's done five days unplugged before).
posted by logovisual
on Nov 23, 2005 -
Battery power cycling - it's offered as advice for poor battery life on pretty much anything, from cell phones to laptops. Heck, T-Mobile told me to do it today after I switched phones and the same battery dropped from 50 hours of standby time to 9 hours. However, I've only ever cycled one thing - a laptop battery - and that dropped its capacity from 4 hours to 30 minutes.
Because of that I'm a bit wary, so my question is, what's the logic behind power cycling a battery, and has anyone actually seen any benefits from it?
posted by philulrich
on Nov 11, 2005 -
PotentiallyStupidQuestionFilter: I'm looking to juice up my long-in-the-tooth titanium Powerbook (from March of 2002 -- 667 mHz processor, 512 MB of RAM, 30GB harddrive, etc.) with both a new battery
(since the original one now gets approx. five minutes of life when unplugged) and OS X 10.4. Here's the weird question: Should I put the battery in first, and then update the OS, or do the OS update and then swap in the new battery? It might not matter at all, but I know that operating systems do have an impact on battery performance -- is that something I should be taking into consideration, or can I do either upgrade at any time without worrying about sequence?
posted by logovisual
on Nov 10, 2005 -
How do I extend the life of my new laptop battery? I'm not talking about per-charge capacity, but long-term reusability - maximizing the amount of time before this battery becomes a useless brick like the last one. [more inside]
posted by Caviar
on Oct 27, 2005 -
Can I replace my lousy laptop battery with a better one?
I just bought an Acer Aspire 3000 series laptop and didn't realize how terrible the battery-life was until I got it home. The battery only lasts about an hour. Is there an aftermarket battery I can swap my battery for that lasts longer? [more inside]
posted by JuliaKM
on Oct 14, 2005 -
I have a 2002 Elantra which will not start. I've jumped the battery, it ran for 3 days, and now its refusing to start again, in the same manner as before. I'm trying to remove the battery to have it tested, help! [more inside]
posted by mhuckaba
on Oct 2, 2005 -
I have a third generation ipod with the now-infamous crappy battery that falls just outside eligibility for the lawsuit reimbursement. All ranting aside, if I spend the $59 to get a new battery, is it actually going to last any longer than the lame original? Or am I better off investing in a new player altogether?
posted by rexruff
on Aug 25, 2005 -
What is "modified sine-wave" power, and what will it do to my electronic devices?
I have a portable Xantrex battery
, and it came with a warning that certain rechargeable devices may not be compatible with its modified sine wave output. [more inside]
posted by Caviar
on Jun 16, 2005 -
A lab I have recently taken over has a box full of obsolete batteries, mostly for various video cameras stretching back at least to the late 80s. I assume these are mostly lead-acid or NiCad. I don't have the cameras anymore. The batteries are intact, but I would like to dispose of them properly or find out if they can be recycled. Any ideas?
posted by realcountrymusic
on Jun 5, 2005 -
Should I leave my iPod plugged in? I really like listening to my iPod's music through iTunes while at my computer. Will leaving it plugged in a majority of the time help or hurt the overall battery life?
posted by Yukon
on Jun 2, 2005 -
I upgraded my wife's powerbook (15" titanium/867Mhz, from 2003) to tiger last week and now it seems when unplugged it doesn't recognize the battery in the status monitor. I've searched google but can't find any fix. [more inside]
posted by mathowie
on May 18, 2005 -
More Hot Powerbook Action! My Powerbook G4 seems to run especially hot since I got a new battery, a generic-ish 3rd party dealie I bought off eBay. And the power adapter just failed. Could the battery cause these troubles? If so, where should I look for proper battery replacements? [more inside]
posted by weston
on May 14, 2005 -
spurred another: When jumping a dead battery, do you attach the cables to the positive node of the dead battery or the live battery first? [more inside]
posted by rhapsodie
on May 5, 2005 -
BatteryFilter: I've got a Dell Latitude C800 that I've been nothing but happy with, until recently. Of late, the power seems to be iffy at best, switching at random between AC power and battery power... [more inside]
posted by yellowcandy
on Apr 29, 2005 -