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extended battery cases

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Best Buy customers often prefer the following products when searching for extended battery cases.

If your smartphone's battery life is a concern, you have a few options. You can choose a phone with a bigger battery, or you can buy a portable charger that gives you a few extra hours of power. But if you're looking for the best of both worlds, consider an extended battery case—a case that provides the protection of a traditional case and the extra power of a portable charger. Browse the top-ranked list of extended battery cases below along with associated reviews and opinions.

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  1. Speck - Presidio2 Pro ClickLock Case with MagSafe for Apple iPhone 15 Pro Max - Black - Front_Zoom
    Top comment

    "I love these cases only one little problem.. I kinda wish they could flip around to where you can make the mount extend. ...One of the better Phone cases ive purchased...Speck has never let me down and this case has proven to be more durable than ever!"

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    Product Description

    Our iconic Presidio2 Pro protective case features up to 13-foot drop protection with Presidio2 Armor Cloud technology. Now featuring ClickLock Interlock no-slip technology, our new MagSafe enhancer, and is made from 50% recycled plastics. Built with magnets to work specifically with MagSafe accessories. Includes Microban antimicrobial product protection that reduces bacteria growth up to 99%.
    See all Cell Phone Cases
    Top comment

    "I love these cases only one little problem.. I kinda wish they could flip around to where you can make the mount extend. ...One of the better Phone cases ive purchased...Speck has never let me down and this case has proven to be more durable than ever!"

    See all customer reviews

    Product Description

    Our iconic Presidio2 Pro protective case features up to 13-foot drop protection with Presidio2 Armor Cloud technology. Now featuring ClickLock Interlock no-slip technology, our new MagSafe enhancer, and is made from 50% recycled plastics. Built with magnets to work specifically with MagSafe accessories. Includes Microban antimicrobial product protection that reduces bacteria growth up to 99%.
    See all Cell Phone Cases
    See all Cell Phone Cases
  2. Insignia™ - Silicone Case for Samsung Galaxy S24+ - Black - Front_Zoom
    Top comment

    "Quality, good value case...Verdict. This case has a very nice smooth feel, soft interior to protect the phone from long-term scratches, and the edges of the case extend above the screen and camera for additional protection. ...This case is very nice, thin and light, it does very well at being protective without the unnecessary added bulk and weight of most cases."

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    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-24PHCB Silicone Case for Samsung Galaxy S24+. Its durable soft-touch silicone protects your phone from everyday damage without a bulky appearance. And it has raised edges, letting you set your phone down without the risk of scratching your screen or camera lens. A black color gives your device a sleek, modern look, matching the rest of your electronics and accessories. Charge wirelessly and give your Samsung smartphone the protection it needs with this Insignia silicone case.
    See all Cell Phone Cases
    Top comment

    "Quality, good value case...Verdict. This case has a very nice smooth feel, soft interior to protect the phone from long-term scratches, and the edges of the case extend above the screen and camera for additional protection. ...This case is very nice, thin and light, it does very well at being protective without the unnecessary added bulk and weight of most cases."

    See all customer reviews

    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-24PHCB Silicone Case for Samsung Galaxy S24+. Its durable soft-touch silicone protects your phone from everyday damage without a bulky appearance. And it has raised edges, letting you set your phone down without the risk of scratching your screen or camera lens. A black color gives your device a sleek, modern look, matching the rest of your electronics and accessories. Charge wirelessly and give your Samsung smartphone the protection it needs with this Insignia silicone case.
    See all Cell Phone Cases
    See all Cell Phone Cases
  3. Speck - Presidio2 Grip Case with MagSafe for Apple iPhone 15 Pro - Black - Front_Zoom
    Top comment

    "Speck cases Rule!...A super phone case. Speck cases have been my go to cases for years....Best case...OtterBox cases never disappoint... The only brand we use. "

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    Product Description

    Our protective, iconic Presidio2 Grip case is now 20% slimmer for optimized use with accessories, featuring up to 13-foot drop protection with Presidio2 Armor Cloud Technology and newly innovated no-slip inverted grip that provides great durability and longevity. Made from 50% recycled plastics this case is durable yet slimmer than ever, and designed with precise magnets that are built specifically for Apple MagSafe accessories. Experience new enhanced ultra-responsive buttons that allow for smoother clicks and volume control. Includes Microban antimicrobial product protection that reduces bacteria growth up to 99%.
    See all Cell Phone Cases
    Top comment

    "Speck cases Rule!...A super phone case. Speck cases have been my go to cases for years....Best case...OtterBox cases never disappoint... The only brand we use. "

    See all customer reviews

    Product Description

    Our protective, iconic Presidio2 Grip case is now 20% slimmer for optimized use with accessories, featuring up to 13-foot drop protection with Presidio2 Armor Cloud Technology and newly innovated no-slip inverted grip that provides great durability and longevity. Made from 50% recycled plastics this case is durable yet slimmer than ever, and designed with precise magnets that are built specifically for Apple MagSafe accessories. Experience new enhanced ultra-responsive buttons that allow for smoother clicks and volume control. Includes Microban antimicrobial product protection that reduces bacteria growth up to 99%.
    See all Cell Phone Cases
    See all Cell Phone Cases
  4. CASETiFY - Rope Cross-body Phone Strap Compatible with Most Cell Phone Devices - Peri Purple/Reflective - Angle_Zoom
    Top comment

    "Add is very misleading, it appears that the case also come with it, VERY expensive for just the rope....I like this product but you have to put some clear take or something to keep hook behind phone and case"

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    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670572-16004326, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    Top comment

    "Add is very misleading, it appears that the case also come with it, VERY expensive for just the rope....I like this product but you have to put some clear take or something to keep hook behind phone and case"

    See all customer reviews

    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670572-16004326, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    See all Cell Phone Cases
  5. OtterBox - Commuter Series Hard Shell for Samsung Galaxy S24 - Black - Front_Zoom
    Top comment

    "Case is perfect...Case looks great! Not super bulky. Easy to install....Best Cases on the market...Otterbox is the only way to go for drop protection on your phone. The case offers great grip too so you’re less likely to drop it by accident."

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    Product Description

    Get moving with Commuter Series for Samsung Galaxy S24, the slim phone case that keeps your phone safe from drops and bumps. With wireless charging compatibility, Commuter Series is built to beat the daily grind. Commuter Series combines a pocket-friendly profile with dual layer construction and port protection to provide tough protection in a slim package. Model 77-94498
    See all Cell Phone Cases
    Top comment

    "Case is perfect...Case looks great! Not super bulky. Easy to install....Best Cases on the market...Otterbox is the only way to go for drop protection on your phone. The case offers great grip too so you’re less likely to drop it by accident."

    See all customer reviews

    Product Description

    Get moving with Commuter Series for Samsung Galaxy S24, the slim phone case that keeps your phone safe from drops and bumps. With wireless charging compatibility, Commuter Series is built to beat the daily grind. Commuter Series combines a pocket-friendly profile with dual layer construction and port protection to provide tough protection in a slim package. Model 77-94498
    See all Cell Phone Cases
    See all Cell Phone Cases
  6. CASETiFY - Rope Cross-body Phone Strap Compatible with Most Cell Phone Devices - Black - Angle_Zoom
    Top comment

    "Works very well with the Casetify case."

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    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670562-16004316, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    Top comment

    "Works very well with the Casetify case."

    See all customer reviews

    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670562-16004316, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    See all Cell Phone Cases
  7. Insignia™ - Hard-Shell Case with MagSafe Kickstand for iPhone 15 Pro Max - Black - Angle_Zoom
    Top comment

    "New Phone Case!...The iPhone case is simple. It’s slim and not bulky like other cases....Great case...Loved the ring stand and how it mounted flush to the case. Most other cases felt bulky."

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    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-15PMSCBRMS. Hard-Shell Case with MagSafe for iPhone 15 Pro Max. Its durable polycarbonate plastic protects your phone from everyday damage and drops up to 6 feet. A specially engineered built-in magnetic ring provides MagSafe compatibility with Magnetic chargers and accessories without needing to remove your phone from the case. The MagSafe ring also serves as a functional kickstand. It also has raised edges, letting you set your phone down without risking scratches to your screen or camera lens. Continue to charge wirelessly and give your smartphone the protection it needs with this Insignia hard-shell case.
    See all Cell Phone Cases
    Top comment

    "New Phone Case!...The iPhone case is simple. It’s slim and not bulky like other cases....Great case...Loved the ring stand and how it mounted flush to the case. Most other cases felt bulky."

    See all customer reviews

    Product Description

    Personalize your smartphone while keeping it protected with the Insignia NS-15PMSCBRMS. Hard-Shell Case with MagSafe for iPhone 15 Pro Max. Its durable polycarbonate plastic protects your phone from everyday damage and drops up to 6 feet. A specially engineered built-in magnetic ring provides MagSafe compatibility with Magnetic chargers and accessories without needing to remove your phone from the case. The MagSafe ring also serves as a functional kickstand. It also has raised edges, letting you set your phone down without risking scratches to your screen or camera lens. Continue to charge wirelessly and give your smartphone the protection it needs with this Insignia hard-shell case.
    See all Cell Phone Cases
    See all Cell Phone Cases
  8. Samsung - Galaxy S24 Ultra Smart View Wallet Case - Black - Front_Zoom
    Top comment

    "Excellent wallet case...Feels great to the touch. Does help extend the life of the screen protector from the fine scratches that it gets from the in/out of pocket routine....Fantastic Phone case...I highly recommend these cases fore any phone they will fit."

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    Product Description

    Embrace convenience and protection all in one, thanks to the Galaxy S24 Ultra S View Wallet Case. With the Small Screen View, you can control your music, see notifications and answer calls without even opening the cover. Plus, take your ID or credit card with you everywhere you go in the hidden pocket.
    See all Cell Phone Cases
    Top comment

    "Excellent wallet case...Feels great to the touch. Does help extend the life of the screen protector from the fine scratches that it gets from the in/out of pocket routine....Fantastic Phone case...I highly recommend these cases fore any phone they will fit."

    See all customer reviews

    Product Description

    Embrace convenience and protection all in one, thanks to the Galaxy S24 Ultra S View Wallet Case. With the Small Screen View, you can control your music, see notifications and answer calls without even opening the cover. Plus, take your ID or credit card with you everywhere you go in the hidden pocket.
    See all Cell Phone Cases
    See all Cell Phone Cases
  9. CASETiFY - Rope Cross-body Phone Strap Compatible with Most Cell Phone Devices - Black/Gold - Angle_Zoom
    Top comment

    "Until one day after using the lanyard for about 2 months, the piece that was sitting between the phone and its case - came apart… I wouldn’t abuse the lanyard or tug on it. ...I also have a hard time charging with certain cords, so that's annoying, but I do think it would work with more cases - I'm only using it with an Apple silicone case. "

    See all customer reviews

    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670567-16004321, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    Top comment

    "Until one day after using the lanyard for about 2 months, the piece that was sitting between the phone and its case - came apart… I wouldn’t abuse the lanyard or tug on it. ...I also have a hard time charging with certain cords, so that's annoying, but I do think it would work with more cases - I'm only using it with an Apple silicone case. "

    See all customer reviews

    Product Description

    Don't hold it, wear it. The ultimate stress-free, hands-free way to carry your phone! Carry your phone everywhere hassle- and hands-free thanks to CASETiFY's adjustable two-layer Rope Phone Strap CTF-22670567-16004321, perfect for everyday activities and outdoor adventures. Adjust the phone strap as needed — it extends up to 150cm. The best part? Our straps and strap card are compatible with all full coverage cases! CASETiFY's durable Rope Cross-body Phone Strap is made of the highest quality woven materials and is hypoallergenic, water- and sweat-proof. The dual rope design allows for comfortable carrying. Outdoor hikes, weekends away, and life on the move— this Phone Strap was made for all of it. Wear it as a crossbody, wristlet, or around your neck, and add your keys and Apple AirPods to your phone strap for easy access.
    See all Cell Phone Cases
    See all Cell Phone Cases
  10. Samsung - Galaxy Z Flip5 Silicone Case with Ring - Indigo - Front_Zoom
    Top comment

    "One of the best cases but expensive...Great case! Too expensive but it is a great case. Only flaw is that too bad the ring on the back is not sturdy. ...Fantastic case...I was worried about all the new cases that came out for the so i stuck with the samsung case and it fits great . "

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    Product Description

    With silicone to help protect from bumps and scratches, plus a ring on the back to help your phone stay securely in your hand, the Silicone Case with Ring keeps your Galaxy Z Flip5 safe and stylish.
    See all Cell Phone Cases
    Top comment

    "One of the best cases but expensive...Great case! Too expensive but it is a great case. Only flaw is that too bad the ring on the back is not sturdy. ...Fantastic case...I was worried about all the new cases that came out for the so i stuck with the samsung case and it fits great . "

    See all customer reviews

    Product Description

    With silicone to help protect from bumps and scratches, plus a ring on the back to help your phone stay securely in your hand, the Silicone Case with Ring keeps your Galaxy Z Flip5 safe and stylish.
    See all Cell Phone Cases
    See all Cell Phone Cases
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