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Casio OEM Standard Battery for Casio G'zOne Rock C731 BTR731B

by Casio
4.4 out of 5 stars 80 customer reviews
List Price: $38.88
Price: $2.65 + $1.99 shipping
You Save: $36.23 (93%)
In Stock.
Estimated Delivery Date: April 8 - 13 when you choose Expedited at checkout.
Ships from and sold by OEM 4 LESS.
  • Standard Battery
11 new from $1.97 3 used from $3.50 1 refurbished from $4.35
$2.65 + $1.99 shipping In Stock. Ships from and sold by OEM 4 LESS.

Frequently Bought Together

  • Casio OEM Standard Battery for Casio G'zOne Rock C731 BTR731B
  • +
  • Car Charger Cigarette Lighter Adapter for Casio G'zOne Rock C731, Brigade C741
  • +
  • OEM Verizon Casio G'zOne Rock C731 Desktop Cradle Charger
Total price: $16.16
These items are shipped from and sold by different sellers. Show details
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Product Features

›  See more technical details

Product Information

Product Dimensions 6.5 x 2.9 x 0.5 inches
Item Weight 0.8 ounces
Shipping Weight 0.8 ounces (View shipping rates and policies)
ASIN B003W045VU
Item model number BTR731B
Customer Reviews
4.4 out of 5 stars 80 customer reviews

4.4 out of 5 stars
Best Sellers Rank #91,305 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
#3,388 in Cell Phones & Accessories > Cell Phone Accessories > Batteries & Battery Packs
#91,290 in Electronics > Cell Phones & Accessories

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Customer Reviews

Top Customer Reviews

2.0 out of 5 starsHit-n-Miss
By Amazon Customer on February 16, 2013
Verified Purchase
I ordered two of these batteries. One was seemingly fine, the other had very short life. I fully charged both batteries, then let them fully discharge once before using them. The weak one was noticeable even then.

Having one weak battery out of two effectively doubles the price for these - not such a good deal. And RMAing one of these would not be cost-effective. Be aware!
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1.0 out of 5 starsThis battery that was sent was dirty and you could see where it had been in ...
By Tut on July 5, 2014
Verified Purchase
I was under the impression that I was getting a new battery, not a reconditioned or used battery. This battery that was sent was dirty and you could see where it had been in another phone. It was no better than the one I was replacing . But for the price it wasn't worth complaining about. So buyer bewhere.
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5.0 out of 5 starsSpare Battery
By Amazon Customer on August 29, 2012
Verified Purchase
My battery in my GzOne Phone would run down quickly and I thought it was bad. Bought this battery as a replacement. It was not the battery but the phone. Everything with the phone is working now so I have a spare battery. Charges and works as advertised. Switch batteries every month to keep both working and charging.
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5.0 out of 5 starsIndistinguishable from the original
By Josh Beherns on June 6, 2013
Verified Purchase
I have had this battery for about a month now, and I can not figure out which battery is the one original to the phone, and which is the new one. Often times replacement batteries are of aftermarket origin, and lesser quality than the original, this is not the case with this battery. The battery that came with my G'z One Rock phone is over 2 years old now, and it still holds a charge for about 4 days. I expect this identical OEM battery will last just as long, and be just as reliable.
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4.0 out of 5 starsGreat price!
By kcbrowndog on February 21, 2012
Verified Purchase
My husband's cell phone quit working and we thought it might be the battery. Prices for a new battery at the cellphone stores were over $40. Unfortunatly, the battery was not the problem and he ended up with a different phone that this battery is incompatible with, but at least we are only out less than $20.
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2.0 out of 5 starsNot Pleased
By Linda Prockow on June 19, 2014
Verified Purchase
The battery that originally came with my phone was getting to the point where I would have to charge it everyday. A friend told me that I could buy a new one online. So I gave it a try. I can not say I am pleased with them, because they are no better then the one I had. Still have to charge them everyday. When my phone was new I could go 3 days before having to charge it.
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5.0 out of 5 starsAffordable and Original Battery
By Patrick on September 27, 2012
Verified Purchase
This battery was exactly as described. It has all of the same labeling as my original battery and is behaving exactly like my original battery did when it was brand new. I've had it for about 3 weeks and it's working fine. The battery arrived very quickly. This was a great investment as I can now keep my phone for another 4 years or so.
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1.0 out of 5 starsDoesn't hold a charge
By Bluedogjim on November 10, 2011
Verified Purchase
I bought this battery to replace one in my Casio G'Zone phone that was 18 mos old that wouldn't hold a charge. Turns out this replacement is worse than the one I replaced. Even while in standy mode this battery expires in less than 24 hours. Would NOT recommend.
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