Samsung Galaxy S23 Replacement Battery 3900 MAH Premium Quality
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Discount applies at checkout on any mix of parts — ideal for repair shops.
Estimated delivery · Royal Mail Tracked 482–3 working days
- Order placedToday
- DispatchedSame day
- At your door2–3 days
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Phone parts are delicate. We recommend fitting by a qualified repair technician — damage caused during fitting is not a product fault. Need help choosing the right part? Call 07425 443625 or email info@therepairplus.com (Mon–Fri 10:00–18:00). Repair shop? Open a trade account.
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The Repair Plus 3900mAh replacement battery for Samsung Galaxy S23 is a brand new 3900mAh lithium-ion internal battery for the Samsung Galaxy S23 that fixes short battery life, early shutdowns and slow charging. OEM standard and tested before dispatch, it is shipped the same day from Manchester when you order before 4pm, Monday to Friday.
Key features
- 3900mAh capacity: matches the capacity listed for the Galaxy S23.
- Supports 25W charging: works with the S23 wired fast charging.
- Covers all S23 variants: fits SM-S911B, SM-S911U, SM-S911U1, SM-S911N, SM-S9110, SM-S911D, SM-S911J, SM-S911R4 and SM-S911W.
- Fixes battery wear: restores a full day of use to an older S23 whose battery has degraded.
- Brand new cell: unused stock, checked before it leaves our warehouse.
Specifications
| Part | Replacement internal battery |
|---|---|
| Capacity | 3900mAh |
| Voltage | 3.85V |
| Compatible model | Samsung Galaxy S23 (SM-S911 series) |
| Condition | Brand new |
| Quality | OEM standard |
| Dispatch | Same day before 4pm, Monday to Friday, from Manchester, UK |
| Returns | 30 days |
Compatibility
Fits the Samsung Galaxy S23 (model numbers beginning SM-S911). It does not fit the Galaxy S23+, Galaxy S23 Ultra or Galaxy S23 FE, which all have larger or different batteries. Open Settings > About phone to check your model number before you order.
Is it time to replace your Galaxy S23 battery?
- The phone needs charging more than once a day with normal use.
- It shuts down at 10 to 30 percent, especially in the cold.
- The back glass is lifting, which can mean a swollen battery. Stop using the phone and replace the battery straight away.
Why buy from The Repair Plus
- Same-day dispatch when you order before 4pm, Monday to Friday.
- UK stock, shipped from Manchester.
- Every part tested before dispatch.
- 30-day returns.
- Trusted by DIY repairers and independent repair shops.
Frequently asked questions
Will this battery fit the Galaxy S23 Plus or Ultra?
No. This 3900mAh battery is for the standard Galaxy S23 only.
Does it support fast charging?
Yes. It works with the Galaxy S23 25W wired charging.
Is an S23 battery replacement a DIY job?
Professional installation is recommended. Screens and small parts are delicate, so we recommend having this part fitted by a qualified repair technician. Damage caused during fitting is not a product fault.
How soon will it be sent?
Order before 4pm, Monday to Friday, for same-day dispatch from Manchester.
