The #1 Selling Mobile Battery Case Brand in the U.S.*

£89.95 In stock
£89.95£71.95
Charge Force

juice pack

Made for Galaxy S8+
Charge Force

juice pack

Made for Galaxy S8+
Enjoy extra battery life for the Samsung Galaxy S8+. The juice pack battery case extends your talk time to over 39 total hours* and maintains the ability to recharge your phone and battery case anywhere wireless charging systems are available.
What is charge force?

Add Accessories Save when bundled with this product

  •  charge force desk mount - black
    Add compatible charge force desk mount £49.95+£39.95
    Simply touch your device to the mount; it will stick in place and magnetically align for a perfect charge every time. Never fuss with cables again.
  • charge force wireless charging base (Black)
    Add charge force wireless base £39.95+£31.95
    Simply touch your mophie case with charge force wireless power to the base; internal magnets will align it for a perfect charge every time. Never fuss with cables again.
  • charge force vent mount (Black)
    Add compatible charge force vent mount £49.95+£39.95
    The four-prong mount securely slips over your vehicle’s air vent louvers, and the charge force technology keeps a magnetic hold on your mophie case so you can charge safely.
  • PRO cable | USB-A to USB-C - 1m
    Add PRO cable | USB-A to USB-C - 1m £19.95+£15.95
    High-performance, heavy-duty PRO cable with a USB-C connector to charge and sync your smartphone or other USB-C devices.
  • PRO cable | USB-C to USB-C - 1m
    Add PRO cable | USB-C to USB-C - 1m £19.95+£15.95
    High-performance, heavy-duty PRO cable with a USB-C connector to charge your laptop, smartphone, or other devices with a USB-C port.
  • 15W USB wall charger - black
    Add 15W USB Fast-charge wall charger £24.95+£19.95
    This sleek wall charger with 15W Fast Charge capability is designed to deliver the most efficient charge possible to any USB device. Complete with international outlet adapters.
  • dual USB car charger - black
    Add dual USB car charger £14.95+£11.95
    Up to 4.8A means it provides the fastest charge speeds possible for two tablets or smartphones so you arrive at your destination with a full battery.
wireless charging battery case Samsung Galaxy S8+

3,300mAh built-in battery

The rechargeable battery case provides more than 39 total hours of battery with the push of a button, while Charge Vault technology enables our industry-leading, juice pack batteries to hold their charge for an extended period of time so they are always ready right when you need it.

Universal wireless charging

Compatible with Qi and other wireless systems, this juice pack battery case works with virtually any wireless charging pad, including those found at airports, cafes, cars, or anywhere else that has wireless charging available. Never fuss with cables again.

Secure magnetic positioning

This juice pack case includes Charge Force technology with built-in magnets to enhance your wireless charging experience at home, the office, in the car, and on-the-go. The case magnetically aligns with mophie charge force mounts to hold your phone in place as charging begins on contact.

wireless charging battery case Samsung Galaxy S8+

Reliable high-density battery

mophie products are built to last. Our batteries contain first-class lithium-ion polymer cells that are examined and tested to deliver the most efficient charge, while integrated, fail-safe circuitry prevents over-charging and controls temperature to prevent overheating.

Priority+ fast charging

Connect the phone’s charger and USB-C cable to the juice pack case to charge your Samsung smartphone at the fastest speeds possible. mophie Priority+ charging allows pass-through charge & sync while connected to a computer. Your Galaxy S8+ recharges first, and then the juice pack battery recharges itself.

Low-profile design

High-impact protection built into the case’s design includes raised corners that provide edge-to-edge screen protection and internal bumpers that add extra cushion to the edges and corners of the hard shell for unrivaled protection against drops and hard falls.

Tech specs

  • Battery Capacity

    3,300mAh

  • Compatibility

    Galaxy S8+

  • Dimensions

    3.11 x 6.72 x 0.74 in (79.07 x 170.73 x 18.8 mm)

  • Weight

    4.1oz (116.2g)

  • Product Skus

    3994

  • Warranty

    2 Year Warranty

  • In the Box

    juice pack case, Quick-start guide

  • Manual

    Download here

  • Legal

    View here

Frequent Questions

  • How do I wirelessly charge my juice pack case?
    Simply place the juice pack case on any Qi-compatible charger. (mophie charge force products will automatically align the juice pack case for a proper charge.) Wireless charging will automatically begin when the case is aligned on the charger. If your phone is inside of the case, the juice pack case and phone will charge together.
    What wireless chargers will my juice pack case work with?
    The mophie juice pack case is compatible with all mophie charge force products. It will also wirelessly charge from any Qi-compatible wireless charger, and is compatible with other wireless charging technologies, such as those used at coffee houses, on airline flights, in furniture products with wireless charging, and in consumer vehicles that support wireless charging.
    Is the juice pack case’s wireless charging compatible with Samsung’s Fast Charge Wireless Charging Pad?
    Although the juice pack case will wirelessly charge from a Samsung Fast Charge Wireless Charging Pad, it will charge at standard wireless charging speeds, not at 1.4x Fast Charging speeds.
    How does the extra battery work?
    When you slide your phone into the juice pack case, a connector at the base of the case plugs into the port at the bottom of the phone. Press the status button on the back of the case for 3 seconds to start charging your phone. After using up all the power in the juice pack case, just recharge it for more on-the-go power. If you want to stop charging the phone, press the status button again for 3 seconds.
    What is the best method for charging my phone using the juice pack case?
    If your phone and juice pack case are both fully charged, we recommend waiting until your phone has 20% battery left. When the phone’s in the red, press the juice pack case’s status button for 3 seconds and let the case to do the heavy lifting. The phone requires more power to charge past 80%, so if you want to get the greatest battery boost from the juice pack case, we suggest putting it back into standby mode until your phone battery is low again. This isn’t the end-all-be-all, but we like it.
    How do I charge my juice pack case when I’m on the go?
    After using up all the power in the juice pack case, connect it to a power source using the cable included with your phone. You can plug the cable into the wall adapter included with your phone or any power source with a USB out. You do not need to remove your phone from the juice pack case to charge. In fact, leaving your phone in the juice pack case while charging will charge both your phone and the case together.
  • Will Samsung Adaptive Fast Charging work on my phone when I’m charging the phone and juice pack case together from the Samsung Adaptive Fast Charging wall charger?
    Yep. Your phone will Fast Charge from the Samsung Adaptive Fast Charging wall charger while it’s inside the juice pack case.
    Why aren’t the LEDs blinking while my juice pack case is charging?
    After you begin charging the juice pack case, the LED status indicators will start blinking to indicate charging. The lights will turn off after 30 seconds allowing for a good night’s rest. Remember to check the status indicator before you take your juice pack case. When all four LEDs are lit, your juice pack case is fully charged.
    How many charge cycles can I get out of my juice pack case? Or, in other words, how long will the juice pack case last?
    You can recharge your juice pack case for over 500 full cycles. A full cycle is when you recharge the case from 0% to 100%. Partial cycles, like charging from 25% to 100%, will not count as a full cycle until all the partials equal 100%.

    After 500 full cycles, the battery in the juice pack case may provide less than 75% of its original capacity. This is normal for any product with a lithium polymer battery.
    Does the juice pack case block the speaker, microphone, camera, or any other ports?
    Of course not. In fact, the juice pack case is designed to act as a virtual speaker box! Sound is redirected from the bottom of the phone to the front, resulting in a richer, fuller sound quality.
    Does the juice pack case interfere with my phone’s antenna reception?
    All Wi-Fi and LTE functions on the Galaxy S8 and Galaxy S8 Plus are unaffected by the juice pack case. However, the juice pack case may interfere with NFC performance.


Answers

Do all screen protectors work with the Sophie case

Asked by: Android rules
Yes, the juice pack is compatible with most screen protectors.
Answered by: Anne T
Date published: 2017-10-14

When the cell ohjone battery is at 100 percent and the case is supposed to be charging, is my connect to charger continuously charging both? I don't want to overcharge my cell phone battery.

Asked by: Mikki
With priority+ fast charging, your Galaxy S8+ recharges first, and then the juice pack battery recharges itself. It will not charge both at the same time.
Answered by: Anne T
Date published: 2017-09-16

Does the case interfere with Samsung Pay's MST payment method?

Asked by: aoglesby81
All Wi-Fi and LTE functions on the Galaxy S8 Plus are unaffected by the juice pack case. However, the juice pack case may interfere with NFC performance.
Answered by: Victoria O
Date published: 2017-08-09

Is thus case shockproof ? And has it been drop tested ?

Asked by: Usman
The juice pack has high-impact protection built into the case’s design. This includes raised corners that provide edge-to-edge screen protection, and internal bumpers that add extra cushion to the edges. This protects against drops and hard falls.
Answered by: Anne T
Date published: 2017-10-14

Does the juicepack have a headphone jack ?

Asked by: Mvensjip
It sure does!
Answered by: Victoria O
Date published: 2017-06-13

Why is the juice pack so slick? It will definitely fall out of anyone's hand. Why didn't you add ANY grip to the juice pack? Where is an app to monitor the juice pack FROM the S8+ while it is running?

Asked by: sanjsrik
Thanks for reaching out! The juice pack for the Galaxy S8+ is made with our standard black matte material. There is no app to monitor the amount of charge on your juice pack. To check the status of your juice pack simply push the status button located on the back of your juice pack. The status LEDs will indicate its charge level. Four LEDs means that the juice pack is fully charged, while one LED means the juice pack is almost dead. If you would like a visual of what is being described please visit http://www.mophie.com/shop/galaxy-s8/juice-pack-galaxy-s8-plus?a92=12 and download our user manual located under Tech specs.
Answered by: Victoria O
Date published: 2017-06-13

How much drop protection does this provide when I'm switching to this from the Otterbox Defender that's on it now?

Asked by: AudiophileNut
The juice pack for the Galaxy S8 Plus has high-impact protection built into the case’s design that includes raised corners to provide edge-to-edge screen protection and internal bumpers that add extra cushion to the edges and corners of the hard shell for unrivaled protection against drops and hard falls.
Answered by: Victoria O
Date published: 2017-06-14

Is there going to be a case released for the Galaxy Note 8? I know a lot of people that are holding off on other cases to get one

Asked by: micahnewman7
We're already hard at work! Sign up to get notified about the Galaxy Note8 at: www.mophie.com/innovation.
Answered by: Anne T
Date published: 2017-11-02
  • y_2017, m_11, d_22, h_23CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_64
  • loc_en_GB, sid_JP-SGS8P, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_mophie
  • bvseo_sdk, p_sdk, 3.2.0
  • CLOUD, getContent, 13.49ms
  • QUESTIONS, PRODUCT

Reviews

juice pack is rated 4.0 out of 5 by 64.
Rated 5 out of 5 by from Excellent fit and quality!! I purchased the Mophie case for my Samsung Galaxy S8+, Fit and finish is top notch and with extra power on reserve I never have to look around or try to find a power source. Thank you Mophie!!
Date published: 2017-09-22
Rated 5 out of 5 by from Keep my phone charged I am a heavy user, by the end of the work day my phone is at 97%. My only complaint is it ugly. You need to make some stylish ones.
Date published: 2017-09-19
Rated 5 out of 5 by from love the extra power and protection! my s8+ and s7edge+ last TWO days of constant use with youtube, internet, tune in radio and audio books. i work overnights and blutooth my earphones to the smartphones which sucked up alot of battery juice. now i dont end up with 5% battery left on my way home, i have better than 50% (more like 65%). getting one for my note 8 as SOON AS it comes out. drop protection is excellent! dropped s8+ with mophie battery case on concrete floor 4 feet, case came apart but snapped right back together and the phone was just fine!! would love to see a way to securely attach a lanyard!
Date published: 2017-09-05
Rated 5 out of 5 by from Awesome phone case! I love this case. It is on the heavy side, but provides good protection and love the extra battery life that it provides. Another excellent product by mophie!
Date published: 2017-09-05
Rated 5 out of 5 by from Juice pack does the job Works as expected, adds a good amount of thickness but that's okay for the extra battery.
Date published: 2017-09-01
Rated 5 out of 5 by from Great case Fits well, great advantage on the go, and love the charge force
Date published: 2017-08-31
Rated 5 out of 5 by from i have bought these juice pack and i LOVE it. i love it. my hole family is going to buy one,and all my friends
Date published: 2017-08-30
Rated 5 out of 5 by from Awesome It's pretty much the best case and charger I have used
Date published: 2017-08-23
  • y_2017, m_11, d_22, h_23
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_64
  • loc_en_GB, sid_JP-SGS8P, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_mophie
  • bvseo_sdk, p_sdk, 3.2.0
  • CLOUD, getContent, 47.77ms
  • REVIEWS, PRODUCT