Replace a worn iPhone 8 Plus battery with this Greencell Cell Plus Series high-capacity aftermarket battery. The battery is labelled 3400mAh, 3.82V and 12.98Wh and is shaped for the iPhone 8 Plus.
Key details
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Brand: Greencell
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Series: Cell Plus Series
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Labelled capacity: 3400mAh
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Voltage and energy: 3.82V, 12.98Wh
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Battery type: Rechargeable lithium-ion polymer
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Battery code: iPh8PH
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Product markings: CE, RoHS and UN38.3 Passed markings are shown on the battery
Compatibility
Designed for the Apple iPhone 8 Plus, including model numbers A1864, A1897 and A1898. It is not suitable for the smaller iPhone 8 or other iPhone models. Check the model number in Settings > General > About before ordering.
What is included
- 1 × Greencell 3400mAh replacement battery for iPhone 8 Plus
- Battery adhesive shown pre-applied in the product photos
Tools, display adhesive and installation service are not included with this part.
Installation and battery safety
Professional installation is strongly recommended. Power the phone off and discharge the existing battery below 25% before opening the device. Never bend, puncture, crush, heat or burn a lithium battery. Do not continue a DIY repair if the old battery is swollen or damaged.
Opening the iPhone compromises its original water-resistant seal, so replacement display adhesive may be required. Compare the replacement with the original before installation and keep the battery connector disconnected while positioning the part.
Important notes
This is an aftermarket Greencell replacement part, not a genuine Apple battery. The 3400mAh figure is the capacity printed on the product; actual runtime varies with battery condition, device settings, signal strength, temperature and usage. A battery replacement may improve symptoms caused by a worn battery, but it will not repair unrelated charging, logic-board or software faults.
After installation, charge to 100%, leave connected for at least two more hours, use the phone until it shuts down from low charge, then recharge uninterrupted to 100% to calibrate the battery reading.
