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Product Details
If your Samsung S21 Ultra won't turn on or simply won't hold a charge, this replacement battery may be what you need to fix it.
A typical cellphone battery has about 500 cycles before it is unable to maintain a charge of at least 80% of its original capacity. Made from new materials, our batteries have zero cycles ensuring the maximum number of cycles available to you.
- Zero Cycle Count, therefore you have the maximum amount of cycles left
- Lithium-Ion Polymer
- Brand New materials
- Strict QC testing
- Less than 1% failure rate
- 12 Month Warranty
iGadget batteries come with battery adhesive in the box so you can secure your battery firmly in place
- Battery adhesive is included
- Convenient
- Easy-to-use
Please Note
This battery only fits the S21 Ultra model, it does not fit the S21 or S21 Plus
Specifications
- Model Number: EB-BG998ABY
- Voltage: 3.88V
- Watt Hours: 19.4Whr
- Capacity: 5000mAh
- Battery Type: Li-Polymer
- Warranty: 12 Months
Compatible Model Numbers
Model Number (SM Number)
- SM-G998B
- SM-G998B/DS
- SM-G998U
- SM-G998U1
- SM-G998W
- SM-G998N
- SM-G9980
Installation Help
Watch the video above or checkout the step-by-step guide below for assistance in completing this repair
iFixit Samsung Galaxy S21 Ultra Battery Replacement Guide
Remember
After completing your repair, calibrate your newly installed battery by charging it to 100% and then charging for a further two hours. Use your phone until it shuts off due to low battery, and finally, charge it uninterrupted to 100% again
Here is some tools you may need to help you complete the repair.
Please note: This battery comes with a simple toolkit, please check the "what's in the box" section for details
- Phillips #000 Screwdriver
- iSclack opening tool
- Suction Cup
- Fine Tipped Curved Tweezers
- iGadget 5 piece opening picks
- Black Spudger
- uFix iOpener Heat bag
- Jia Fa Battery Pry Bar
Here are some helpful tips to assist you in completing a safe repair on your device. If you are unsure of something or have any quesions, please feel free to contact us either by phone (0508 IGADGET) or by email
- Always track your screws to avoid putting back in the wrong place and damaging your device. You can draw a picture of your phone and tape the screws to the right places or use a screw mat
- Always power down your device prior to working on it
- Make sure you always unplug the battery before attemping any component removal
- Before removing your battery, discharge the battery to below 25%. A charged lithium-ion battery can catch fire or explode if punctured or damaged
- If your newly installed battery is draining fast or shutting off randomly, try the following steps to resolve it
- Open up the device and unplug the battery
- Check the phone and battery connector for rogue bits of foam or debris and remove
- Plug the battery connector back into the phone making sure it is seated correctly (should hear an audible click)
- Inspect the flex cable to make sure there is no strain on it when the battery is plugged in. If there is any strain you may need to remove the battery and reposition (higher, lower, closer, further away from connector) so that the cable sits without stretch.
- Put phone back together and turn on
Caution
If the new battery or the battery in your device is swollen or damaged during repair, take the proper precautions
Note
You cannot dispose of old batteries in your general waste. Find recycling e-waste centres online or take to your local refuse station.
What’s In The Box
- 1x Samsung S21 Ultra Replacement Battery
- 1x Replacement Battery Adhesive
- 1x Simple replacement toolkit
- 1x Small plastic handle phillips #000 screwdriver
- 1x Small suction cup
- 1x Small blue spudger
- 1x Opening pick