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  • SANOXY® 3500mAh Extended Battery + Black Cover for HTC Evo 4G
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SANOXY® 3500mAh Extended Battery + Black Cover for HTC Evo 4G

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List Price: $19.00
Price: $8.99 & FREE Shipping on orders over $35. Details
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  • This is a high-quality extended battery! Expect more than 2X the battery life of the original.
  • Comes with back battery cover that fits perfectly onto your Evo 4G
  • High quality at a low price! Don't pay higher prices elsewhere.
  • No need to swap standard batteries in and out anymore--this one should last you longer than you need.
12 new from $6.29 4 used from $4.00

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Frequently Bought Together

SANOXY® 3500mAh Extended Battery + Black Cover for HTC Evo 4G + 3-Pack HTC EVO 4G Sprint Combo Screen Protector for HTC EVO 4G Sprint + HTC EVO 4G Sprint Combo Rapid Car Charger + Home Wall Charger + USB Data Charge Sync Cable for HTC EVO 4G Sprint
Price for all three: $14.85

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This item: SANOXY® 3500mAh Extended Battery + Black Cover for HTC Evo 4G
Customer Rating (1955) (157) (765) (292)
Price $ 8.99 $ 2.50 $ 8.03 $ 8.99
Shipping FREE Shipping FREE Shipping FREE Shipping $ 5.48
Sold By vcome(Ships From Hongkong) Laptop-Services Amazon.com laza
Compatible Phone Models HTC EVO HTC EVO 4G HTC Evo 4G Evo 4g
Color BLACK black Dark Blue/Black Black
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Technical Details


Product Details

  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • ASIN: B0042TY68C
  • Item model number: SANOXY_EVO3500
  • Average Customer Review: 3.4 out of 5 stars  See all reviews (1,955 customer reviews)
  • Amazon Best Sellers Rank: #24,270 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

SANOXY® 3500mAh Extended Battery + Black Cover for HTC Evo 4G is a high-quality extended battery! Expect more than 2X the battery life of the original. Comes with back battery cover that fits perfectly onto your Evo 4G High quality at a low price! Don't pay higher prices elsewhere. No need to swap standard batteries in and out anymore--this one should last you longer than you need.

Customer Reviews

Battery doesn't extend the life all that much.
R. Black
This company doesn't lie when they say they are quick shippers and ship fast!
Amazon Customer
I'm lucky if this new battery lasts the 8 hour work day.
your mom

Most Helpful Customer Reviews

258 of 268 people found the following review helpful By michmill254 on March 1, 2011
Verified Purchase
Just a quick update on the htc 3500 extended battery. I purchased this battery in hopes that my phone would last all day without having to recharge the phone but after receiving the battery I was only lasting approximately 1 hour longer than the stock battery that came with the phone,this resulted in a 3 star rating from me. I was not seeking nor was I looking for an exchange or replacement of the battery I figured I got what I paid for. The company contacted me after seeing that I was not pleased with their product and I have sent me another battery. This battery I am totally pleased with I am able to use my phone all day now without having to worry about having to charge it. I am using bluetooth,navigation running all day countless text messages and around 2 hours talking on the phone daily with out having to worry about finding a place to charge my phone.Customer satisfaction like this you cannot go wrong purchasing this battery this companys total commitment to customer satisfaction is very refreshing in today's economy.
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132 of 142 people found the following review helpful By Loui on October 8, 2010
Verified Purchase
I totally love my evo but the one disappoint WAS the battery life until I purchased this battery...I use my evo heavily and I mean I'm on the net alot, bluetooth both for calls and playing music via car stereo, streaming media, texting and calling. my stock battery would only last me 2 hours, like I said I'm a heavy user. I got this battery and fully charged it and used it pretty much non stop. I took it off the charger at 9am and when about my day and around 11am I started heavily using it....streamed radio for about an hour and then streamed a two hour movie, texting, downloading apps via wifi, tethered my connection,...and it is now 4pm and it just got down in the yellow..still not dead...like i said, before my phone would've been in the red by the 2nd hour...7 hours now of heavy usage and it just barely in the yellow. This battery is completely worth it, it gives the evo the fifth start it was missing!!
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145 of 163 people found the following review helpful By Amazon Customer on October 8, 2010
Verified Purchase
I ordered two of these batteries and I have to say I couldn't be more pleased. I had considered the Seidio 3500 battery, but I really hated the look of it. The back hump was just too ugly and wasn't worth it to me to carry around an ugly phone for a bigger battery.

This company doesn't lie when they say they are quick shippers and ship fast! I ordered each one a day apart and each one took a mere 3 days after ordering to arrive. That's amazingly fast for a Marketplace merchant, and wasn't using any expedited shipping company. And the shipping was pretty inexpensive considering the amounts for shipping I've seen others try to charge.

The pictures of this one seriously do not do it justice. It doesn't have a hump, but has a very sleek, attractive look. The thicker part where the battery sits is flat, and gently slopes down to the top and bottom edges. The camera and LEDs are framed by an inset frame, so to speak, that sits lower than the rest of the case, as does the kickstand access. Overall, it really doesn't add much bulk and, better yet, doesn't LOOK like it adds much bulk. The back almost feels like metal, and has a smooth coating that feels almost rubberized. Definitely not slick or slippery, its very easy to keep a light grip on. And a bonus is that both my son (who I got the second one for) and I have white Evos, so with the black backing, we now have Oreo Evos. :D

As far as the battery itself, I haven't had much of a chance to test it yet since I just got it yesterday. But it came with a 70% charge and I was away from home for several hours and used it non-stop, and by the time I got home, it was at 58%.
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34 of 35 people found the following review helpful By Liam on October 7, 2010
Day 1: Had 4G and bluetooth on all day from 8:00AM to 5:30PM. Used phone for music for 6 hours. Battery was in yellow zone, very impressed.

Day 2: 4G on all day, used GPS navigation for 1 hour. Used from about 7:30AM to 4:00PM, battery was barely still in green zone.

Day 3: Turned 4G off, used minimally. Lasted green whole day until night time.

Day 4: Turned 4G off, didn't do much except a little bit of texting. Lasted from about 9:00AM to 8:00PM and died.

Day 5: Turned bluetooth, 4G, GPS on. Read a book at the gym on the phone for about one hour, texted a lot. Started like 7:00AM and died 6:00PM.

Day 6: Didn't use it much this day, left it on charge most of the time. Was green all day.

Day 7 (Today): Used it from about 8:00AM to 5:30, was good for the whole day, had 4G on and off. Now in the red zone.

Overall this battery seems to last about twice as long as the normal one, I'm satisfied. It's a really cheap alternative to the other ones that cost $60-100. Buy it while it lasts, sometimes this item is back ordered. Luckily when I ordered it was available right away and I received it in like three days.

5/5 Stars, satisfied.
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26 of 28 people found the following review helpful By Amazon Customer on December 26, 2010
Verified Purchase
I usually get the Seidio extended batteries for my phones, but their design for the HTC Evo cover was too harsh looking. Because of this, I decided to give this other brand a chance instead. Besides, if it didn't work out, at least I wouldn't be out a lot of money.

The cover is well designed and easy to hold. The finish has some texture, so it is comparable to the feel of the OEM cover. The holes all line up, so there are no problems with the Evo kickstand, camera, or LED flash.

The battery needs to be charged several hours beyond the point when the phone shows 100% charge for the first several weeks. The more you use the battery between changes improves the performance, too. Afterwards, the battery life is really good for a power user like me. The battery normally runs cooler than the original battery. I noticed the temperature sensor isn't working, so forget that feature if you use widgets that monitor battery temps. Beyond that, I'm glad I purchased this battery and cover, and I would recommend it to other HTC Evo owners.
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