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Galili 1570mAh Battery for Nexus One Review

I got this Galili 1570mAh battery for my Nexus One and I have run several tests to see how it compares to my stock battery. I could not find any reviews on this battery so I figured $15 is cheap enough to give it a shot and see.
Test setup:
N1 OEM battery used for 5 months or so.
Galili 1570mAh battery used for 2 full charge and discharge cycles (according to my research it is a myth that you have to do discharge/recharge cycle few times to get full capacity in lithium ion batteries)
I tested using following steps:
1. Fully charge the battery, give it an extra 30 minutes or so at 100% charged.
2. Hold the power and trackball button to go into Bootloader mode. This is great for battery testing as the power drain over time is identical each time, as only screen is using power and there are no power saving feature kicking in like screen timeout etc.
3. Unplug the power supply and start timer.
I used video camera to keep track of time as I didn’t feel like staring at my phone for over 3 HR’s.
The original battery tested out to around 3 Hrs 15 minutes before the screen went dark. The Galili time fluctuated around 2 Hrs 52 to 2 Hrs 54 minutes. I run the tests 3 times or so over span of 2 weeks with almost identical results.
Conclusion: Yet another battery that lies about its capacity. It seems to be the norm that all the aftermarket battery manufacturers are inflating the capacity information. I found this cool web site where there are bunch of them tested.
batteryboss.org
This is OK battery for a backup but I was counting on getting higher capacity in the same footprint. It looks like none of the batteries out there can beat the original N1 battery.

thanks for the review!! Shame its crap!

So the lesson here is to fork over a little more for a genuine Nexus One battery and don't go cheap with the generic batteries.

That's my recommendation after buying batteries from eBay that wouldn't power up my phones.

I have only ever bought batteries for all my phones off ebay and never had an issue with any of them. They have all performed about the same as the official OEM counterparts. Now SD cards is an story... lol

Lithium Polymer
Why aren't lithium polymer batteries used more? I remember my ooooollllddd sony ericson phone had one....I think it was model t-something...LoL! Isn't it supposed to be better than lithium ion?

SiNJiN76 said:
Why aren't lithium polymer batteries used more? I remember my ooooollllddd sony ericson phone had one....I think it was model t-something...LoL! Isn't it supposed to be better than lithium ion?
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Uh, the Nexus One does have a Lithium Ion Polymer battery..

GTMax 5000 mah Battery

GTMax White 2 USB Port External Rechargeable Emergency Backup Battery Charger for Sprint Samsung Epic 4G CDMA
http://www.amazon.com/External-Rech...e=UTF8&s=wireless&qid=1288569342&sr=8-3-spell
I thought this might help some one awesome 5000mah battery just use some velcro and have extra power without an outlet possibly for 4 days.
Update:
a better solution might be more http://tinyurl.com/23q6k6m
Used the phone for 10 hours running GPS and taking some photos and the battery died. Not the 4 days of power that I hoped for. Unless you use it conservatively. After the battery died I still had fully charged cell battery which lasted me a little over 3 hours running gps.

damn!
nice find

Making extended (double) battery from two batteries

I am curious about how the signal lead on batteries works. I have an HTC Sensation. Rather than spend $100 for the Mugen extended battery housing and battery, I got just the housing through ebay for around $20. I removed some of the plastic around the terminals and soldered the + and - ones together. Only one of the battery's signal and temperature leads are connected to the phone.
I seem to be getting decent battery life; however, the battery calibration is completely off. It wouldn't be so bad, but it's affecting how the battery is charged (maybe it isn't, and it's simply just a reflection based on the bad calibration). It seems to switch between faster charging and 100ma at random charge percentages. Reported battery temperatures shouldn't be tripping any sort of safety feature.
As far as "drain" goes, it tends to drop to around 50% within an hour off the charger. Afterwards, it tends to stay there for hours and hours before slowly dropping again. Towards the end, it stays at 1% for a couple of hours before dying.
I assumed it wouldn't be a good idea to short the signal terminals together. Am I wrong?
I'm tempted to pick up the el cheapo laza extended battery (<$20 for one with an evo 3d housing) and restore the Ankers to individual batteries.

Ain't gunna work cap. Assume the batteries are 1.5 volts. (They aren't nut for demo) get two and connect them in series and you get 3 volts
Connect them in parrelel and you get 1.5 volts but twice the amperage. Google it.
It might work but will probly burn up your phone.
Sent from my Droid using xda premium

whodisname said:
Ain't gunna work cap. Assume the batteries are 1.5 volts. (They aren't nut for demo) get two and connect them in series and you get 3 volts
Connect them in parrelel and you get 1.5 volts but twice the amperage. Google it.
It might work but will probly burn up your phone.
Sent from my Droid using xda premium
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Click to collapse
lmao

[Q] Does using power banks have impact on battery life?

I want to buy a powerbank but my friend said that after few months of usage it will badly affect my battery life. I want to know if it is true or false.
Thanks for all replies

Can anybody help me?

It really depends on your charging habits. Batteries die more and more every full charge cycle. Its usually a better idea to invest in an extended battery which often times is cheaper without the hassle. If you recharge twice a day and charge normally once. Theoretically, your battery will degrade 66% faster then one charge a day. But rarely will you be charging 3 times a day. Expect a number closer to 25%-35%. So if the average battery's optimal life takes a year to degrade, expect yours optimal life to be roughly 9 months. Of course at 9 months, your battery doesnt just stop working. Over each charge and month, your losing more and more charge capacity to the point where its inconveninet because your recharging so much. My battery is almost a year old and ive already ordered a new one due to the crap battery life. To tell if you need a new battery, try to spin it on a flat surface. A battery that can hold a charge wont spin since its flat. A battery with lumps and round points will because it cant hold a charge. So i would recommend a SLIM extended battery, they dont require an extended case backing(makes your phone a boulder.) Hope i was helpful!

[Q] Does hot swapping batteries kill their life over time?

When I first got my Galaxy S3 (Verizon) the OEM battery lasted at least a good 9 or 10 hours, usually plenty to last the day. But I wanted more than that so I got a pack of 2x QCell 2300mAh batteries for cheap on amazon, with one of the wall chargers that you pop the battery into. That was July of last year and I promptly lost one of the batts at school, so in May of this year I got another pack of 2 batts, this time EZOPower, 2100mAh.
Both brands worked pretty well while I had them and I would generally just start the day taking my GS3 off the charger and putting the extra battery in my pocket, and at ~8pm or so I'd switch them out and have more than enough for the rest of the day, and some for the next day if I didn't make it home for some reason that night.
But recently that time to switch has been creeping down earlier and earlier, and lately I've noticed I wake up to the battery icon showing the circle but no percentage (just switched from AOSP to Pacrom, dunno if that makes a difference) and when I take it off it's about 95%. When I switch batts, which is now at about 2 or 3pm if I wake up at 10, the second one (coming off the cheap battery-only wall charger) is at 75% or thereabouts and each lasts less than 5 hours.
Attached are my stats from the other day. I keep all my radios on all day usually but lately I've been having to selectively put it on airplane mode whenever I can afford to, if I want to have enough juice to last through the evening. This sucks. I know batteries die over time but I've literally had these ones for a few months and they're terrible already. Is it because of my hot swapping habits? Does that drive down the battery life over time, or is it something to do with how android pegs the amount of juice left on each battery? Is there a way to wipe the battery stats, or would that even help? There used to be an option for it in CWM but I looked today and I suppose it's gone. I'm not sure what I'm doing wrong but I've never had battery life this bad on any phone.
tl;dr bought a pair of non-OEM batteries with a wall charger, been hot-swapping them for more power throughout the day, but in just a few months their life is approaching nil. What am I doing wrong?

Bump. Anyone knowledgeable on this? I'm pretty sure it could apply to just about any phone and I know plenty of other people do the same thing I do with these battery pairs on Amazon so this would be useful for progeny.

Do you leave them in the charger until you need them? Usually, the longer a battery charges while it's fully charged, the more the total charge will diminish. So, the longer you keep it charging more than it needs to, the faster the battery dies out. Also, when you get a new rechargeable battery, or even a new phone or tablet with a rechargeable battery in it, the first thing you should do is use it till it's drained. Don't immediately plug it in to the charger. Keep in mind, though, that no matter what you do your batteries will diminish. Cheaply made batteries will diminish faster than higher quality ones, so that may attribute to how fast your batteries are dieing.
I could be wrong, though.

I actually do keep it on the charger long after it's charged. And I have heard that before - but don't most chargers have a built in feature that cuts off the current once the battery is fully charged?
Anyway I'm not sure that's the sole reason for the batteries being so ****ty. Although idk, I also could be wrong, lol.