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Anyone have any experience with external battery chargers?


Userlevel 7
Today the charger port on my s2x broke and I have to tie a rubber band around it to get it to charge. I'm out of warranty so i was thinking of buying one of those external battery chargers and a few oem batteries. Like this: http://pages.ebay.com/link/?nav=item.view&id= Does anyone have experience with these? Are they a waste of cash? Thanks

34 replies

I know for iPhone there are a lot of external batteries, and I think those are good for emergency but not for regular use as I understand.
Userlevel 1
I wouldn't buy one off of ebay... unless the quality seemed really legit. But batteries are batteries, and they CAN be charged externally... provided the circuitry of the charger is good (hence the price vs. quality issue) I don't see how it could be any different than charging the battery for, say, a camera 😛 Your link is broken, but I see them range from $5 - $20. Might be worth a shot! Let me know how this goes, dude, if you do proceed!
Badge +4
Sorry to hear that Chad. I dug up a couple of links that might be of interest. I haven't used one as of yet, so I really can't comment on whether it'll be a waste of money. I would want to see this product up close before I buy it to make sure it's compatible with the S2x. http://wireless-charger-review.toptenreviews.com/ The Source.ca - item on sale. http://www.thesource.ca/estore/Product.aspx?language=en-CA&catalog=Online&category=powermat&product=2737082
Userlevel 7
Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages.ebay.com/link/?nav=item.view&id=321090943347
Badge +4
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

I couldn't see the other link earlier either. Charger and battery, great price, good find!
Userlevel 7
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

I went ahead and purchased one. Well see later on next week if I wasted my $
Userlevel 2
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

I've previously used the PowerMat with a Bold 9900, works as desired and never really had a problem. If you can grab one for around $30 its certainly worth it, I think I paid $89US + tax + shipping when it first came out around 2 years ago.
Userlevel 2
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

Also, if you're technically inclined, you can search for an OEM S2X microUSB flex cable and swap yours for a new one. I've done this a few times on other devices and its not too tricky if you know basic circuitry. Usually they're pretty cheap as well, around $10 or so.
Userlevel 7
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

I don't have the hands for tiny work like that but i have ac power in my truck all day so no big deal to have a few batteries lying around. But what's bothering me now is the slow charging and consumption while plugged in. I am rooted so i wiped the cache and reistalled cm10. Still a slow charge. Starting to think the battery might be no good as well.
Userlevel 2
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

Most standard chargers output at around 0.8A. See if your phone supports rapid charging. If it does, you can get a charger that outputs 2.8A. I have a Blackberry Rapid Travel Charger and get a full charge from nothing in about 1hr.
Userlevel 7
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

I use a 2.1a charger
Userlevel 2
Chad Burr wrote:

Thank you all, i hadn't thought about a charging mat but here is the link fixed: http://pages...

Something's certainly wrong. I'd pickup a new battery.
Userlevel 7
Hmmm strange been n charger all night (with rubber band) started at 14% after 8hrs its oly at 72% and it's discharging while it's plugged in. Somethings wrong here
Chad Burr wrote:

Hmmm strange been n charger all night (with rubber band) started at 14% after 8hrs its oly at 72...

Perfectly normal according to Koodo store
Userlevel 6
Badge +4
Hey Chad... You may also find Universal Chargers... They will be good to any battery, one day for sure you will change your phone and this will allow you to use it too... I had one before (Lost it) and worked fine...
Userlevel 1
Most phones aren't engineered for frequent (daily) access to the battery compartment so I would think that under special circumstances it would be useful to have a fully charged battery that can be changed out in a few minutes but it doesn't seem practical as a solution for everyday charging. Back in the old days of ni-cad batteries things were different as the battery just clipped onto the phone (and looked like part of it) but now that devices use less power and batteries are made so much better (nmh) the phones aren't made for them to be changed (or removed and replaced) every day.
Badge +4
Steve wrote:

Most phones aren't engineered for frequent (daily) access to the battery compartment so I would t...

I think smartphones today consume a lot more power simply because of all the extra hardware that cell phones from back in the day didn't have (i.e. camera, GPS, faster CPU's/GPU's, backlighting, proximity and motion sensors, larger screens, etc.). Smartphone firmware/software allows for power to be distributed more efficiently. Lithium ion (Li-ion) batteries have been around for more than a decade and continue to be the most commonly used power source in smartphones today. Several advantages of having lithium-ion batteries over NiMH or NiCD batteries; lithium-ion batteries aren't prone to developing memory effect when charged repeatedly or for short periods. Battery design and construction is much more compact than previous battery designs. Less likelihood of overcharging or overheating the battery due to fail safe circuitry built into the battery. The Nokia 5110 had the option of an extended 900 mAh lithium-ion battery but was normally shipped with a 600 mAh lithium-polymer (Li-Poly) battery. http://www.gsmarena.com/nokia_5110-7.php The Motorola StarTac had a 500 mAh NiMH battery. http://www.gsmarena.com/motorola_startac_85-74.php The tiny Samsung Galaxy Ace has a 1350 mAh Li-Ion battery and the Samsung Galaxy S2x has a massive 1850 mAh Li-Ion battery. http://www.gsmarena.com/samsung_galaxy_s_ii_t989-4129.php
Ebay external chargers will work. Don't listen to the other comments. ebay price is so cheap anyway worse case you only waste $5 to $20 and the chances it will be your money wasted is almost none
Userlevel 1
LubasValentino wrote:

Ebay external chargers will work. Don't listen to the other comments. ebay price is so cheap ...

I agree. eBay rocks. You are covered by both the eBay and PayPal buyer protection plans and if you are careful to review the feedback of the seller then you likely will never need it. I've had very good success buying replacement parts and batteries, etc. While it is true some have bough what they thought were new batteries and got worn out ones that's why you need to pay attention to the feedback.
Userlevel 7
I use a 2.1a charger
Badge +4
Chad Burr wrote:

I use a 2.1a charger

The standard Samsung travel charger that ships with the S2x claims an output of 5.0V @ 1.0 amp. However, I agree with mattjs 0.8 amp explanation. 2.1 or 2.8 amps? That'll definitely charge batteries in a hurry, lol! The downside is that this will stress the battery (reduction in battery's ability to hold a full charge) over time. What you're describing sounds like the battery is experiencing the effects of parasitic load and I agree, it's time for a new battery.
Chad Burr wrote:

I use a 2.1a charger

Yup! i agree, was gonna suggest using a universal usb charger but time to recycle that battery. regardless, here's a universal usb charger (500mah max.) from energizer ($8 before S/H): http://www.shop.energizerpowerpacks.com/accessories?product_id=63
Userlevel 7
Chad Burr wrote:

I use a 2.1a charger

Thanks but the port for the charger is broken hence the need to charge an extra battery outside of the phone. Thanks again everyone
Userlevel 7
Update: I've been using the external battery charger now for about a week. It's great. An unexpected side effect is now that I drain each battery almost completely before charging, they are lasting longer and longer due to conditioning. Batteries typically take 4 to 6 hrs to charge and they are lasting 6 to 12 hrs evn with my high usage. I also use green power premium which also helps them last. All an all for 12$ I'm satisfied with the external charger and I'm planning to get another one for the house so i don't have to schlep batteries all over the universe.
Chad Burr wrote:

Update: I've been using the external battery charger now for about a week. It's great. An un...

I have a broken USB on my phone, which charger did you buy? I cannot charge my phone and it is not worth getting it repaired due to its age. Would love an inexpensive way around it!

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