Cases, chargers, adapters, headphones and more.

Shop accessories for iPhone 6/6s ›

Lenmar - Halo Battery Case for Samsung Galaxy S III Cell Phones - Glossy Black

Charge and sync your Samsung Galaxy S III cell phone with this Lenmar Halo BCGS320K battery case that features a play-through design for port access. The built-in 2000 mAh lithium-polymer battery provides plenty of power to charge your phone.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Free Shipping on Orders $35 and Up

No minimum for My Best Buy® Elite and Elite Plus members. Minimum purchase of $35 on eligible products required. Excludes select digital items, scheduled delivery items and items displaying "In Store Only" message.Learn more

Cardholder Offers


Best Buy Customer Reviews

barely holds a charge1 Posted by: from: on im still having to charge phone 3-4x a day. it also offers no protection. shouldve listened to the reviews

0 out of 1 found this review helpful.

Good, but I got a defective one4 Posted by: from: New York, NY on I bought it online at $22, it was value for money. The size was bulky, but I think if it would have worked, it would have served it purpose in a good way (The piece I got was a defective one, so I had to return it).

1 out of 1 found this review helpful.

great deal5 Posted by: from: on Picked this up as the deal of the day for a great discount. I have been looking for one and am so happy I got one at a great price. Works great and has a very clean look.

1 out of 1 found this review helpful.

    What's Included

    • Lenmar Halo Battery Case
    • USB-to-micro USB cable

    Ratings & Reviews

    Overall Customer Rating:
    67% of customers would recommend this product to a friend (2 out of 3)

    (1 Review)
    (1 Review)
    (0 Reviews)
    (0 Reviews)
    (1 Review)

    Product Features

    Designed for use with Samsung Galaxy S III cell phones

    To protect and complement your phone.

    Built-in 2000 mAh lithium-polymer battery

    Charges your phone and delivers up to 8 hours of video play time, up to 30 hours of audio play time and up to 85 hours of standby time.

    Overcharge protection

    Features an internal safety gauge to help ensure the phone does not exceed its maximum charge.


    Help protect your phone from damage.

    LED light

    Indicates power levels in the battery case.

    Play-through design

    Allows access to the headphone and charging ports and use of the camera and flash while the phone is protected by the case.

    Included USB-to-micro USB cable

    Lets you easily charge and sync your phone.

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