| | |  | Signal Boosters | Home » » Acase 3500 mAh Extended Life Battery + Cover for HTC EVO 4G (Black) | | | | | | | Description: | | Package includes HTC Evo 3500mAh extended battery and matching cover (HTC Evo cellphone is not included). Package includes HTC Evo 3500mAh extended battery and matching cover (HTC Evo cellphone is not included). In order to obtain the full capacity of your Acase battery, we highly recommend that you leave the battery/your phone on the charger for an additional 2-3 hours after the charging indicator turns green or the battery status shows full. | | | Features: | |
• Made from high-quality Lithium Polymer cells. Comes with a black case featuring Acase soft touch coating
• Double of the original battery life. Keeps your phone charged and ready to go, even with heavy phone and data usage
• Capacity: 3500 mAh
• We highly recommend that you leave the battery/your phone on the charger for an additional 2-3 hours
| | | Product Details: | | | Product Length:
| 4.5 inches | | Product Width:
| 2.5 inches | | Product Height:
| 0.5 inches | | Package Length:
| 4.7 inches | | Package Width:
| 2.7 inches | | Package Height:
| 0.2 inches | | Package Weight:
| 0.15 pounds | | Average Customer Rating:
|  based on 109 reviews |
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Most "cell phone accessories" shipped worldwide. All "cell phones" ship from wholesale warehouse in USA.
| | Customer Reviews: | |
Average Customer Review:
 ( 109 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
35 of 36 found the following review helpful:
 WHY should you BUY THIS instead of others?Jan 20, 2011
By Master
.
Buy it because...
.
1-It lasts longer
2-Protects the camera lens
3-Feels right in your hand
4-Improves phone balance when supported by leg.
5-It's half the price of other batteries.
In summary, this battery is a great value.
IMPORTANT TIP ---> TO GET THE MOST LIFE between charges,
perform this sequence to "stretch" the battery capacity to its limit:
1-with phone turned on, charge it fully till green light comes up
---> note: you will be without phone service until next steps are finished, at most 1 hour
2-turn phone off while still plugged to charger (light will turn off briefly, then come back amber)
3-let it charge again till light turns green
4-unplug charger and wait for light to go off
5-then plug it again - light will be amber
6-let it charge again till light turns green
7-repeat 4-5-6 till green light comes up just a few seconds after plugging charger (time in 6 will be progressively shorter)
8-turn phone on
9-unplug charger
10-enjoy!
With this procedure my battery life went from a few hours on the original battery to SEVERAL DAYS on this new Acase (when also following next tips)
MORE TIPS to extend life:
turn off 4G - I live in a area with coverage and it still drains my battery.
use wifi wherever available
turn off GPS antenna if not in use.
be suspicious of badly design apps that can be battery hogs.
13 of 13 found the following review helpful:
 Less Power Than Seidio 3500mAhFeb 21, 2011
By RadScientist
"Don"
We own and compared one Acase 3500mAh battery, one Seidio Innocell 3500 mAh Extended-Life Battery for HTC EVO 4G (Black), and 3 OEM HTC 1500 mAh batteries. We've swapped the batteries among 3 HTC EVO 4G devices. We tested using only the 3G and WiFi receivers with heavy use of local and internet apps on the device. Our OEM 1500mAh batteries last about 4 hours before we receive a battery warning on the device, Acase 3500 mAh lasts about 6 hours, and the Seido Innocell 3500 mAh lasts about 12 hours before battery warning based on many weeks of everyday use. Typically our phones last another 30 to 60 minutes after receiving the battery warning and before they automatically power off. The extended back for the Acase does not fit perfectly, but the mismatch is only cosmetic and has no operational problem.
10 of 10 found the following review helpful:
So far, so good after one week of useJan 18, 2011
By Wolfmaster
"Wolfmaster"
Let me start by saying how INSANE the "thinness" trend is. Apple started it, so everyone blindly followed. Why do I need a paper-thin device at the sacrifice of performance? The Evo is a much larger screen than previous phones, requiring more battery and power, but they gave it the same processor and battery! In fact, these paper thin devices are HARDER to hold and less ergonomic. As you hold a handheld device by the sides, your hand curves in a semicircle. So, I have always wished the Evo had more of a bulkier back.
That is the first thing this battery and cover achieve. The back is a better ergonomic design and is more comfortable in the hand. The only minor downside is the plastic is quite slippery, compared to the ZAGG Invisible shield I had had on my original battery cover.
The case is good-looking, unlike the Seidio Innocell 3500 mAh Extended-Life Battery for HTC EVO 4G (Black). It will not win a fashion award, but it has a nice, clean and curved look. The case is not perfectly flush, but attaches very well. The first time taking it off, it was very difficult, but has since become about the same difficulty as the original one.
The price is also right, at less than half the cost of the Seidio battery!
Finally, the performance. I have had this about a week. I am very battery-conscious, and had all syncing turned off except for weather. I downloaded a battery indicator app about a month ago which shows the exact percentage of battery. I noticed that if the screen was turned off for hours, I would lose 0% of battery. But, as soon as I turned the screen on, it would drop rapidly, about 1% per minute even if I was just leaving the Evo on the table with the home screen showing! My battery must have gotten way worse since I bought it last July, because I had never noticed it drop this rapidly before.
As soon as I put in this battery, I noticed a drastic difference. Doing the same thing as before (idle home screen), it took more like 5 minutes to drop 1%. I had a huge gaming session of Zenonia the other day when I woke up at about 11am after an overnight charge - About 3 hours of playing, with automatic brightness in a sunny room, and the music player going in the background. Was pleasantly surprised to see it at somewhere near 65%, whereas my original battery would be completely dead. I continued with normal usage the rest of the day, maybe 50 texts, browsing the web probably an hour total, checking email a few times, maybe a little more music/gaming and made it until 1am before I got the 5% warning.
All in all, what have you got to lose for such a great price! I would say it lasts about twice as long as the original, which is expected. It is much more attractive-looking than other battery cases, and fits more comfortably in the hand than the original case. I will hopefully update this review later, as other posters noted this battery gets better after a number of charges, supposedly!
EDIT: A battery kill test to help solve the debate about this battery - All wireless communication on, live wallpaper, maximum brightness, all accounts syncing at smallest intervals, while playing an HD/3D graphics intensive game such as "Let's Golf" while playing music off my SD card.
Coming soon... this should be fun :D
10 of 10 found the following review helpful:
Works great.Dec 20, 2010
By Sherri L. Lasko
"ldesign401"
Followed the advice to charge it longer than the "fully charged" light indicates and the battery works beautifully. Not as bulky as I thought it would be -- it's no big deal. And the trade off for me is a minimum twice the battery life (if I'm shooting and uploading a lot of pictures -- which I do a lot), but more often 3 or 4 times the battery life of the original EVO battery. So glad I found this.
4 of 4 found the following review helpful:
Double timeDec 24, 2010
By Qualitygap
I use my Evo for monitoring e-mails and handling phone calls. I also monitor various news feeds. With the standard battery, I found that I had to charge the battery about every 4 hours of use. With the 3500mAh, I can use the phone for at least 8 hours. I noticed that the first time I charged the battery, it did not last very long, but with subsequent charges, the battery is lasting much longer. It also appears to charge faster than the standard battery.
See all 109 customer reviews on Amazon.com
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* Estimated shipping rate for US 48 states. Final rate calculated at checkout. |
