I have found a 3000 mAh battery on eBay for around $100 with shipping, and since I'm pretty tired of the short battery life I'm considering it. I was so embarassed when the family went skiing yesterday! My kids have smartphones (Qtek 8030 & 9100 - I keep the family on intelligent phones, my wife has a Qtek 8500 Star Trek) and they had MP3's playing all day in the slopes with only one of the three battery level stripes dissappearing, while I had to put my Atom in the car and charge it after only three hours, when it was down to less than 15 %! Which is why I'm considering either an expensive 3000 mAh or one of those cheap USB chargers where you just put in a regular AA (or was it AAA?) battery and hook it up to the mini USB port. So has anybody tried either of them?
The battery-based chargers work, there are AA and AAA models 'round here (>1 battery each) - but I haven't tried it on the Atom yet. Be aware that the Atom has a charger protection mechanism that refuses to let the battery trickle charge if it doesn't provide a rated amount of juice (this is not mentioned in the O2 site, but it's there. It's the reason why chargers that normally work on the Mini won't work on the Atom).
Personally, I'd rather get a charger that works practically everywhere than to grab an extended battery.
(Have you considered those new fangled solar powered chargers? Some of them contain internal batteries that store energy, even under artificial light - and it is this battery that is used to charge your device. This could be a better idea, but be sure to check if it works on your device.)
PS: a PDA eats battery like no tomorrow because it usually uses better processors and interfaces - the XScale on ours is the eater here. Smartphones run on a lower rated processor/card slots, and don't have touch sense screens, and thus can last for much longer. If you really need your PDA to last, well, forever - you might want to consider an extended battery or one of the CPU scaler programs.
Thanks! I forgot to say that I ate the battery with the CPU at 208 mHz (with XCpuScalar)... Anyway, I have two of those AA-chargers on the way, I'm glad they work! At home I have GP PowerBank chargers and a bunch of rechargable batteries which I will use for this. With any luck a few of those will last me all day on skis!
And I didn't know about that protection mechanism in the Atom, I have been wondering why it's so extremely picky when it comes to charging from USB cables and stuff like that.
And I hadn'd even heard about the solar charging option, but I see there are a bunch of those on eBay. They look pretty cool, but unfortunately when I'm in the sun I seldom stand still long enough to put the charger and the phone anywhere for charging. If there was an affordable vest or jacket for that, though...
I think the O2's charger protection mechanisms were discussed here:
http://forum.xda-developers.com/showthread.php?t=276400
Methinks Quanta borrowed something from Motorola.
The solar charger, btw, works under incandescent light as well (I have one - useful in a hotel room where you don't have a plug but you have access to a desktop lamp). More expensive models can supposedly work under flourescent light, but I'm a cheapskate. They work by having an internal LiON themselves, which is trickle charged by solar/incandescent power - and then the battery itself is the one that charges your PDA's battery. Many different types exist, but most of them have a 1000-3000mah internal reservoir, and the better ones have different voltage settings for differenet devices.
Yeah, but the problem is that they're too big for my jacket pockets, so they won't help me skiing.
Well, that didn't really work. So I have decided to go for quantity instead of quality: Ordering three batteries, one with a charger that charges it ouside of the phone as well as charges the phone. All in all around 40 dollars, which gives me four batteries to play with. I ain't gonna use up my phone next time I'm in the slopes! And I think the same batteries can be used on my next phone, the Atom Life. It's got a larger capacity battery, but it looks like it's the same physical shape. Then again I may be wrong, but at least I will have no problems on those boat trips this summer!
And that worked! Not to mention that the original battery has to be total an utter crap! On these new batteries I had more than twice the battery time I had on the original. Of course it's been used for about two years, but still it shouldn't be that bad! I have five year old PPCs that hasn't changed that much in battery time. Anyway, with three new batteries and the old one I can keep going for a looong time!
Mastiff said:
And that worked! Not to mention that the original battery has to be total an utter crap! On these new batteries I had more than twice the battery time I had on the original. Of course it's been used for about two years, but still it shouldn't be that bad! I have five year old PPCs that hasn't changed that much in battery time. Anyway, with three new batteries and the old one I can keep going for a looong time!
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bro did u tryed u,r AAA batery charger for Aom Life? i also bought a AAA battery charger fro my first Atom but not working after that tryed for my Atom Exec saem now going to check on my Atom Life,, thought to ask u befor check it.......
Some types works, some don't. It seems like only the black type work,while the shiny metallic one doesn't.
Related
Just thought I'd pass this along. This little battery charger for the Wing or Dash charges your phones battery with just one AA battery. It kicks up the voltage from 1.2-1.5v to 5.7v. Saps the hell out of the AA battery but charges the phone -- its really cool. I bought two of them.
I'm Not the seller - I have No interest in selling these. Just thought Wing users would like to know there's such a thing out there.
http://cgi.ebay.com/EMERGENCY-AA-BA...ryZ48492QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
How long of battery power do you get for 1 AA battery?
If it has small USB connector, can I use it for TyTn II (Kaiser)?
I will time it
Hi -- I've not timed it yet but I will and post results.
Iffy
I got one of those little portable chargers for mobile devices. It's a neat concept. Upon pruchasing one of those (in the US) for $19.99, it came with a cheap AA battery, and several adapters for different mobile phones. I used the AA battery that came with it and it charged my HTC Herald P4350 for 20 minutes. You can actually drain (and cause damage too) your phone battery it you have it plugged in (with a dead AA battery) your device (it said so on the package). This is my experience and others may be different. In a nutshell, the amount of time it charges depends on what kind of AA battery you use. Again, this is my experience.
True
Yes it does depend on the type of AA battery you use. A Lithium AA will give you much more than a rechargable NMHI. I put in an alkaline AA and talked with my brother for two hours today using my Bluetooth headset and this thing kept my phone to 100% charge the whole time.
I am not planning on keeping it plugged in all the time especially when its dead.
I am going to use NIMH AA batteries in my Solar Charger that sits on my Dashboard. Rotate them out and get basically free energy. Hey I know its not going stop the Icebergs from melting but its something.
Here are the specs from the package:
Input 1.2-1.5v
Output 5.7v
Standby 80 hours
Talk Time 2 hours
Charge current 850-2300m
Discharge 150-530m
*This one says nothing about draining your phone's battery in fact it says if using NiCads or NMHI to make sure it drains all the way down before you disconnect it. It says best results can be obtained using a Lithium AA but who can afford that.
It Should work with the Kaiser
gogol said:
How long of battery power do you get for 1 AA battery?
If it has small USB connector, can I use it for TyTn II (Kaiser)?
Click to expand...
Click to collapse
Yes it has a mini USB connector and it should work with the Kaiser but you may want to ask the seller to be sure.
Anyone ever use one of these?
http://cgi.ebay.com/NEW-EMERGENCY-A...ryZ48492QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Please comment on:
1) how fast they charge
2) how much they charge the phone
thanks!
The kaiser battery is rated for 3.7 volts and the battery that device uses is 1.5 volts. It would charge at the same rate, but drain the AA very quickly. The cost of the batteries it would take to power that thing would quickly outweigh the benefits it would produce. If it had 2 AA wired to it then it might be remotely useful. I mean if you absolutely cant survive if your phone dies, then yes it would give you enough battery life to keep your phone going for a few hours.
Yeah...well I bought two cheapo spare 1600mah batteries of ebay with the thought of carrying one around with me to swap out if needed....but I was considering getting one of the 2-piece rubberized cases for my phone. In that case, the battery compartment I believe will be inaccessible and I don't want to snap off the back case constanstly and wear down the integrity. Therefore I thought something like this might be a good option.
Even with free access to the battery door, I would think opening it up on a regular basis to swap batteries isn't good for it (would get loose, etc...).
Motorola P790
Well, I used Motorola P790 and it is pretty good, rechargeable. I can recharge it together with my phone with one charger. It gives abt 30% recovery of your battery in abt 2 hr.
rovanesyan said:
The kaiser battery is rated for 3.7 volts and the battery that device uses is 1.5 volts. It would charge at the same rate, but drain the AA very quickly. The cost of the batteries it would take to power that thing would quickly outweigh the benefits it would produce. If it had 2 AA wired to it then it might be remotely useful. I mean if you absolutely cant survive if your phone dies, then yes it would give you enough battery life to keep your phone going for a few hours.
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Click to collapse
Not really, these units have a small switching power supply which boosts the voltage to be able to charge the phone (if you look at the picture you can see the copper inductor coil for the oscillator circuit inside the top clear piece), a Kaiser won't charge with an input voltage under 5 volts.
I don't know how long it takes to charge, but I doubt that you can get more than 1 good charge from a fresh battery.
I've had all sorts of charging problems recently. With the Wifi, GPS & Phone on it would use about 500ma of power. But if I was running SatNav it would actually use about 850ma.
What I've done is twofold. I've bought a 2700ma internal battery for the phone and I've got a 12-24v charger that puts out 2a (2000ma) and so far it has kept the device fully charged, even with Bluetooth running!
I'm not sure how to gauge the 2700ma battery as I've only been running it a day. I think it needs a bit more of testing before I use it full time without the spare, but it's also good to have the spare....
I don't think this EVO battery problem will be resolved with Froyo, so I'm going to have to get one of these.... I mean, I went to a place called Coney Island on 4th of July, with rides, and beach and all that. After a few videos and pictures and GPS, I was the only of my friends who ended up with no phone. I even ended up asking the time because that was my clock, and I couldn't even know the time. Ridiculous. It was embarrassing. So I need this desperately. Also, I use dictionary applications and after 2 hours of just using the dictionaries, I have to recharge.
I was thinking about these...
Are they too much, not enough? Won't work with EVO? Thanks guys.
(not advertising the store, it's just for showing purposes)
Icetech I-9005 Portable Solar Charger/Battery
Capable of voltage & current output on different levels / Charges 99% of mobile phones & devices with USB interfaces / Environmentally-friendly ... more info
http://www.jr.com/icetech/pe/CET_I9005/#productTabDetails
Or this one, it solar too (but not powerful enough maybe)
Energizer Portable Solar Charger
Cell phones: up to 12 hours talk time & MP3 Players: up to 60 hours music time / Quick charging / Easy to use / Lightweight / Maintains charge ...
http://www.jr.com/energizer/pe/ENR_SP2000/
This is the star of them all:
Or this, it's almost as expensive as EVO. but for EVO, maybe this is about right! (it eats a lot!)
Energizer XP18000 18000mAh Universal AC Power Adapter & Rechargeable Power Pack
Easy to Use Just plug it in for instant power / Portable rechargeable power pack for all Laptops, Netbooks, cell phone, MP3, GPS, Smart phones and more ... more info
http://www.jr.com/energizer/pe/ENR_XP18000/
Or this one, it's cheaper
http://www.qvc.com/qic/qvcapp.aspx/...r the Home&cm_pla=Home Projects&cm_ite=V25827
I would need to install the USB plug though.
baiatul said:
I don't think this EVO battery problem will be resolved with Froyo, so I'm going to have to get one of these.... I mean, I went to a place called Coney Island on 4th of July, with rides, and beach and all that. After a few videos and pictures and GPS, I was the only of my friends who ended up with no phone. I even ended up asking the time because that was my clock, and I couldn't even know the time. Ridiculous. It was embarrassing. So I need this desperately. Also, I use dictionary applications and after 2 hours of just using the dictionaries, I have to recharge.
I was thinking about these...
Are they too much, not enough? Won't work with EVO? Thanks guys.
(not advertising the store, it's just for showing purposes)
Icetech I-9005 Portable Solar Charger/Battery
Capable of voltage & current output on different levels / Charges 99% of mobile phones & devices with USB interfaces / Environmentally-friendly ... more info
http://www.jr.com/icetech/pe/CET_I9005/#productTabDetails
Or this one, it solar too (but not powerful enough maybe)
Energizer Portable Solar Charger
Cell phones: up to 12 hours talk time & MP3 Players: up to 60 hours music time / Quick charging / Easy to use / Lightweight / Maintains charge ...
http://www.jr.com/energizer/pe/ENR_SP2000/
This is the star of them all:
Or this, it's almost as expensive as EVO. but for EVO, maybe this is about right! (it eats a lot!)
Energizer XP18000 18000mAh Universal AC Power Adapter & Rechargeable Power Pack
Easy to Use Just plug it in for instant power / Portable rechargeable power pack for all Laptops, Netbooks, cell phone, MP3, GPS, Smart phones and more ... more info
http://www.jr.com/energizer/pe/ENR_XP18000/
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Click to collapse
Go to eBay and do a search for HTC Evo battery. You'll find sellers who have hundreds of batteries for sale. They are after market but you can't beat the price. 2 batteries and stand alone charger for about $10.00. Batteries are small enough to hide away in just about any pocket. This is the option I've decided to go with on any phone that has a removable battery. Plus, removing the Evo cover is quick and easy, so much so that waiting for the phone to restart is the worst part.
AshMa said:
Go to eBay and do a search for HTC Evo battery. You'll find sellers who have hundreds of batteries for sale. They are after market but you can't beat the price. 2 batteries and stand alone charger for about $10.00. Batteries are small enough to hide away in just about any pocket. This is the option I've decided to go with on any phone that has a removable battery.
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Click to collapse
Thanks, that's another option. And I heard somewhere here that the stand alone chargers charge better than EVO, because EVO doesn't really know when the battery is fully charged, so it stops charging. The charger will fully charge the battery.
I just got a samsung vibrant and i got 2 problems one is the screen when i get a message or something like that when the screen is locked it stays on i got to turn it off can some one help me fix that thanks
2 problem is the battery does not last me a full day and i got nothing on it i need a bigger battery asap or i got to return the phone my mytouch lasted longer than thins one please some one help me find a way to get it to last longer or a bigger battery thanks
I am wishing for an extended battery too. Currently, I'm using one of those Duracell pocket lithium ion USB batteries.
http://www.microcenter.com/single_product_results.phtml?product_id=0321688
Having another device and cable to carry around works, but is a pain...
my battery easily lasts a day. I can get through a full 9 hour day of work and still have 78% battery left. Not to mention I left my phone off the charger last night, got up 10 hours later and the battery only went down 3%
You sure you dont have any programs open? Also I don't use a task manager if that means anything to u
onyx550 said:
I just got a samsung vibrant and i got 2 problems one is the screen when i get a message or something like that when the screen is locked it stays on i got to turn it off can some one help me fix that thanks
2 problem is the battery does not last me a full day and i got nothing on it i need a bigger battery asap or i got to return the phone my mytouch lasted longer than thins one please some one help me find a way to get it to last longer or a bigger battery thanks
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Click to collapse
I bought this, it took about 2 weeks to get to me,(but for 12.99 for 2 batteries and a wall charger) as it was coming from hongkong, but got it yesterday, and its great, 2 extra batteries, and a wall charger so now i dont even need to charge my phone, i let the battery die so i can train them right, and just pop in a fully charged one when needed. the charger even has a usb hookup like the original wall charger that came with it, so really you could charge an extra battery, plus the one in the phone through the usb cable. The batteries are the same as the stock one that came with the phone. I wish i would have done this with my G1, instead of spending 90 bucks on 1 extra battery that didnt even have an external charger.
http://cgi.ebay.com/2x-BATTERY-dock...20599053354?pt=PDA_Accessories#ht_2384wt_1137
mikey98277 said:
I bought this, it took about 2 weeks to get to me,(but for 12.99 for 2 batteries and a wall charger) as it was coming from hongkong, but got it yesterday, and its great, 2 extra batteries, and a wall charger so now i dont even need to charge my phone, i let the battery die so i can train them right, and just pop in a fully charged one when needed. the charger even has a usb hookup like the original wall charger that came with it, so really you could charge an extra battery, plus the one in the phone through the usb cable. The batteries are the same as the stock one that came with the phone. I wish i would have done this with my G1, instead of spending 90 bucks on 1 extra battery that didnt even have an external charger.
http://cgi.ebay.com/2x-BATTERY-dock...20599053354?pt=PDA_Accessories#ht_2384wt_1137
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Click to collapse
So, are the batteries of the same quality as the original?
Samsung Vibrant Extended Battery?
IM looking for a extended battery or a way to get my battery to last all day so that is what i need thanks
chaoscentral said:
my battery easily lasts a day. I can get through a full 9 hour day of work and still have 78% battery left. Not to mention I left my phone off the charger last night, got up 10 hours later and the battery only went down 3%
You sure you dont have any programs open? Also I don't use a task manager if that means anything to u
Click to expand...
Click to collapse
That would work, but I use the phone most of the day. It is not idle.
I take my phone off the charger at 5am @ 100%
Text most of the day at work with a 30 minute phone call at lunch...
Some moderate browsing and gaming...
I get home around 530pm, and "usually" have around 40%...
Mark271 said:
So, are the batteries of the same quality as the original?
Click to expand...
Click to collapse
They are Samsung batteries, they look exactly like the one that came with my phone( down to the details written on the battery, only different thing is the date which was from 6/10 where the one with my phone was 7/10 and the s/n number), so I would say yes it is the same quality.
Mark271 said:
So, are the batteries of the same quality as the original?
Click to expand...
Click to collapse
i bought the same set of batteries and charger. i'm still going through the charging/cycling phases with these new batteries. i'm not sure if they are on par with the stock batteries but i'll soon find out after a few more charges.
I am still doing that also, but I have to say that the wall charger is worth the money so even if the batteries don't work out, at least I have this awesome dual wall charger!
Sent from my SGH-T959 using XDA App
mikey98277 said:
I am still doing that also, but I have to say that the wall charger is worth the money so even if the batteries don't work out, at least I have this awesome dual wall charger!
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
Yeah, I am more than likely going to buy one, seems handy. It helps that it is dirt cheap.
mikey98277 said:
I am still doing that also, but I have to say that the wall charger is worth the money so even if the batteries don't work out, at least I have this awesome dual wall charger!
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
haha yeah i was about to say the same thing. charges pretty fast and has a cool blue and red-pink colored charger indicator
so far. the batteries are not on par with the stock battery. i work eight hours shifts. my battery runs down to 35-40 pct with moderate usage i.e. facebook, youtube, casual browsing by the time i leave work.
these ebay batteries drain all the way down to 5 pct by the time i leave work and on the eigth hour. i'm on my third charge cycle. hopefully i'll see some improvement this week.
here's what i have running in the background on my phone at work the whole day:
aquarium live wallpaper
facebook widget
twitter widget
beautiful widgets clock
engadget widget
tikl push to talk app.
each widget is set to update every two hours
I was looking at this:
http : //cgi . ebay . com/2x-Battery-USB-AC-Car-Charger-zu-Samsung-I9000-Galaxy-S_W0QQitemZ180543282222QQcategoryZ20336QQcmdZViewItemQQ_trksidZp4340.m263QQ_trkparmsZalgo%3DSIC%26its%3DI%252BC%26itu%3DMRU-15032%252BUCI%252BIA%252BUA%252BFICS%252BUFI%252BDDSIC%26otn%3D20%26pmod%3D160468248236%26ps%3D63%26clkid%3D6318287668313258463#ht_2099wt_1137
But now, I'm considering this:
mugenpoweronline . com/product_info.php?products_id=790
My only gripe is the price tag though.
Peace
S II
I got the same type of deal on ebay, 2 batteries & the charger (did the same thing with my MT3G as well), it's always nice having extra batteries, and I can use the charger when I'm traveling (it will also charge up my PSP). Now just need to get a mini to micro USB adapter and I have one less cable to carry around for charging - although I recently got an external drive for data storage, so I guess I will need a second cable if I want to tether my phone and use the external drive.
The batteries are not as good as stock and one seems to hold a charge better than the other (have to mark them so I remember which is which - these are generic one without the Samsung label), but as I train them via charge, use until dead, swap, charge, this should at least max them out a bit. The ones I had for my MT3G actually outperformed the original battery that came with so was hoping for the same. But considering how cheap these are, I could even pick up a couple more.
ryan562 said:
i bought the same set of batteries and charger. i'm still going through the charging/cycling phases with these new batteries. i'm not sure if they are on par with the stock batteries but i'll soon find out after a few more charges.
Click to expand...
Click to collapse
Those batteries from Hong Kong are not an original Samsung battery, they are just compatibles.
The lasting power of a li-on battery depends not just on the mAh, also the circuit inside the battery counts much of it.
The circuit takes care of the special sleep modes and energy saving features of a battery.
Samsung has its own energy saving codes that can not be put into a common compatible batteries.
This is why an original one is much more expensive than a compatible ones.
Extended battery for the vibrant, lasts twice as long and great door
Check this out: Moretalktime's feedback is 100% and the door is soft rubberized--better than stock IMO. It cradles well in your hand in a very comfortable position and lasts over twice as long.
http://cgi.ebay.com/ws/eBayISAPI.dl...89815&ssPageName=STRK:MESELX:IT#ht_999wt_1139
Re: Batteries not lasting all day
I'd like to throw in an observation on this thread. My battery life is quite good on my Vibrant. Lasts all day easily but there are a couple of things to take notice of. First, I do not use any task killers or such, but I do check if there are any running programs with the built in task manager and stop them once I'm through with them. I've found that Voice Search and Web Access continue to run even after I've closed or backed out of them. Thus the need for use of task manager. But here's what I really found out. I've always charged my phone using the wall adapter with USB cable plugged into it. Never had a problem with battery life. Then for some reason, I decided to start using the USB cable attached to my computer. It would charge as normal and each morning it showed 100% charged. But after about 1 week of using the USB cable from the PC to charge the phone, I started having the horrible battery issues that I've read about. Extremely fast discharge. Leave at 8am and have like 50% use at noon. Crazy. So I started using the wall charger again and the phone has returned to its original state, easily lasting all day. Just a heads up for some of you guys having battery problems. No idea why this has happened but I've confirmed it. Maybe the Power Management thing on the USB ports on the PC?
I just saw this thread after a search on Google. I already posted elsewhere, but this looks like it might be the battery some of you are looking for.
http://forum.xda-developers.com/showpost.php?p=10055333&postcount=80
If nothing else, they also sell a 1600mAh battery which is 100mAh larger than the stock battery and still fits unter the stock cover. Good Luck
-Adam
Me and my wife both have EVO's and for some reason hers doesn't hold a charge very good. Is there somewhere you recommend to buy another battery? Id like to have a charger that hooks into my cigarette lighter that'll charge a battery itself.
Check Amazon under EVO Battery.
EVO battery life sucks. You have a choice - slim sexy phone with lousy battery life or big fat phone with good battery life. Your wife's phone may drain faster simply because she uses her phone differently yours. Things like Facebook are known to drain battery very quickly, etc.
Either buy extra batteries or an external battery recharger - anyway, Amazon has them all.
On the battery charger for the car, make sure you get one rated at at least 800 ma. Many car chargers only charge at 500 ma and if you are running navigation or stream audio in the car, your battery will drain faster than it is charging so it will eventually go dead even though it is plugged in. The EVO NEVER runs directly off plugged in power. It always runs off the battery - so even when it is plugged in, it is running off the battery so you have to charge faster than you use.
Battery is fine if you tinker a little bit. But I got 2 batteries +wall charger + free shipping = 10.00 $ from ebay
I'm on Facebook twitter all day with my phone +email txt, talk and I get a full day from each charge
from my phone duh
I disagree with the comment above (mitchellvii), the Evo with the extended battery isn't that fat. Due to a large screen it evens it out. You can still use (with the extended battery) a spring holster and it will fit in a craddle and you can use the kick stand. I also like that more sturdy feeling which gives it a better weight, in my opinion, while holding it.
Amazon is a good place but so is Ebay. You have more batteries to pick from at ebay. I have bought 2 3500mAh batteries from ebay and the battery life is GREAT. Can go almost 2 days without charging with normal use (constantly on facebook, internet, and yelp- normal daily use of talk and text). Price ranges from $9-$85. Most batteries are shipped from Hong Kong so can take up to 3 weeks to ship to the U.S. And buy, if you can, using paypal for a little insurance in case the battery is defect.
You have options: If you want to stay with a slim phone- ebay has some batteries with higher charge capacity than the OEM without needing to buy a backcover- keeping it slim (1800mAh-2000mAh).
You may also look into software as well. Keeping your wifi or bluetooth on will drain your battery faster. Here are some great tips from goodandevo... http://www.goodandevo.net/2010/05/20-tips-to-improve-htc-evo-4g-battery-life.html
Hope it helped.
Try www.spider-foot.com. I got a couple for the Epic and they are great. I'm waiting for the EVO batteries to come which I ordered on 18 Nov. Also free shipping.
Ebay is the way to go. I have 8 batteries, including two 3000mah and two 1800mah along with two wall chargers and I paid less than $60 for all of them combined.