UltraLast - Lithium-Ion Battery for Select Casio Cell Phones

Enjoy a lasting charge with this Ultralast CEL-BTR781B lithium-ion battery, which delivers 3.7V of power to your compatible Casio cell phone. A rechargeable design allows easy replenishment, and overload protection offers defense against excess power.
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What's Included

  • Lithium-Ion Battery for Select Casio Cell Phones

Ratings & Reviews

Overall Customer Rating:
100% of customers would recommend this product to a friend (1 out of 1)


Compatible with select Casio cell phones

Including C781, GzOne Ravine 2 and Ravine 2 models for use with your existing device.

Rechargeable battery

With lithium-ion chemistry delivers 3.7V of power.

Overload protection

Safeguards your phone.

Customer rating

would recommend to a friend
  • Rating: 5 out of 5 stars

    replacement battery

    • Verified PurchaserVerified Purchase
    • My Best Buy® MemberMember

    Battery worked and reasonably priced received 2 days before estimated delivery date.

    I would recommend this to a friend

Product images, including color, may differ from actual product appearance.