Wireless: Samsung Galaxy S3 i9300 External (3200 mAh) Battery Power Pack Case (With Media Kick Stand) (Black) + Free Screen Protector by AGadget - Xmobile

Wireless: Anker 2nd Generation Astro 6400mAh External Battery Pack with PowerIQ Technology - Retail Packaging - Black - Anker

Wireless: Anker? Astro E5 15000mAh Dual USB Portable Charger Ultra-High Density External Battery Pack for iPad Air, Mini, iPhone 6, 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, 4, Nexus 4, 5, 7, 10, HTC One, One 2 (M8), Motorola Droid, MOTO X, LG Optimus and more (White) - Anker

Wireless: Samsung Galaxy S3 Stand and Spare Battery Charger (2100mAh Battery Included) - Samsung

Wireless: PowerBear? Samsung Galaxy S3 Rechargeable External Battery Case - Black (Go Beyond Your Power) - PowerBear LLC

Wireless: Samsung Galaxy S3 i9300 PowerBank External High Capacity (3200 mAh) Battery Power Pack Case / Cover (With Media Kick Stand) (White) - Xmobile

Wireless: Jackery? Bar Premium Battery Pack Aluminum External Battery 6000mAh Portable Charger Power Bank for Apple iPhone 6 Plus, 6, 5S, 5C, 5, 4S, iPad, Air, Mini, Samsung Galaxy S5, S4, S3, Note, Nexus, LG, HTC. Portable Battery Charger, External Charger, USB Battery Pack, iPad Charger, iPhone 5s Charger, Backup Battery (Orange) - Jackery

Wireless: FRiEQ? 3.5mm Male To Male Car and Home Stereo Cloth Jacketed Tangle-Free Auxiliary Audio Cable (4 Feet/1.2M) Fits Over Tablet & Smart Phone Cases For Apple iPad, iPhone, iPod, Samsung Galaxy, Android, MP3 Players Blue/Yellow (Plug will be Fully Seated with Phone Case On) - FRiEQ

Wireless: Anker? 2nd Gen Astro E4 13000mAh External Battery Portable Dual USB Charger Power Bank. PowerIQ? Broad Compatibility, Fast Charging, High Capacity, Ultra Compact. For iPhone 5S 5C 5 4S, iPad Air mini, Galaxy S5 S4 S3, Note 3 2, Tab 4 3 2 Pro, Nexus, HTC One, One 2 (M8), LG G3, Nexus, MOTO X and More (Black). - Anker

Wireless: New Trent iCarrier 12000mAh Portable Dual USB Port External Battery Charger/Power Pack for Smartphones, Tablets and more (Now w/Micro-USB charge port) - New Trent

Lawn & Patio: JP42-5200mAh Ultra-Compact Portable Charger External Battery Power Bank Pack with USB Wall Charger for most digital devices such as iPhone 5S 5C 4S and iPhone 6, Samsung Galaxy S5 i9600,Android Smartphone, Tablets, Bluetooth Speakers headset, Google Glass, and other devices - Joway Brand -white - Shenzhen Joway Power Co.,Ltd

PC Accessory: eForCity Micro USB OTG to USB 2.0 Adapter - eForCity

Wireless: EPCTEK?Pink 5200mAh External Battery Backup Charger for iPhone 5,4S, 4, iPad 4, 3, 2, Mini, iPods, Samsung Galaxy S4, S3, S2, Note 2, Note 8, Tab 3;HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Google Glass, Nexus 4, Nexus 7, Nexus 10 - EPCTEK

Wireless: 2000mAh Portable USB External Rechargeable Backup Battery Power Bank Charger Flip Case Cover with Viewing Stand for Samsung Galaxy S3 mini i8190 - Black - KingMansion

Office Product: Mouse Pad Sentey? Noir Surface 8.55 Inch X 7.10 Inch (Extra Small Size) Black Mousepad Gs-2343 / 3mm Thick / Support Wired Wireless or Bluetooth Computer Mouse and Gaming Mouse / Edge-style Standard / Natural Eco Rubber / Medium Friction Level / 100 % Polyester / 225 X 178 / Pc or Mac Compatible - Compatible Any Dpi Speed and Any Optical Laser Mice Gamer or Desktop Gamer Surface - Any DPI Speed - Mouse Mat - Sentey

Art and Craft Supply: 2400mAh Flip Handmade Leather Pu Backup External Battery Power Charger Pack Stand Case Cover for Samsung Galaxy S3 III 9300 Black - HONG RI jewelry

Wireless: MightySkins Protective Vinyl Skin Decal Cover for Mophie Juice Pack Samsung Galaxy S III S3 External Battery Case Sticker Skins Black Wall - MightySkins

Sports: EnerPlex WHITE Surfr Samsung Galaxy SIII Cell Phone Solar Charger Case

CE: Anker? 2nd Gen Astro Pro2 20000mAh 4-Port Aluminum Portable External Battery Charger with 9V/12V Multi-Voltage Port and PowerIQ? Technology for iPad Air mini, iPhone 6 5s 5c 5; Galaxy S5 S4, Tab 2, Note, Nexus, MOTO X, G, LG Optimus, HTC One, PS Vita and More - Anker

Toy: Samsung Galaxy S3 Wallet Case with Built-in Stand and Credit Card Holder - Light Purple - Kroo

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External Battery Case S3 Popular Q&A

Q: How do I use an external battery case?
A: Follow the instructions that were packed with it. Read More »

Q: What are good external batteries for galaxy s3?
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A: Trexcell HTC Evo 3D 3500mah Extended Battery + Cover is available (on Read More »

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