



For iPhone 8 Replacement Battery 1821mAh with Tools
£6.66 ex VAT · UK VAT-registered company
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Same-day dispatch on orders before 4pm, Mon–Fri
Evri Tracked · dispatched from Manchester
Delivery options
Dates are estimates in working days. Orders after 4pm, at weekends or on bank holidays are dispatched the next working day. Final options and prices are shown at checkout.
Fitting advice
Phone parts are delicate. We recommend fitting by a qualified repair technician.
Test the part before final installation, before any adhesive or seal is applied. Parts with adhesive applied can’t be returned for change of mind.
Returns
You have 30 days from the day you receive your item to request a return. Items must be unused, in the condition and packaging they were supplied in, with proof of purchase.
Please contact us before sending anything back. Return postage is the buyer’s responsibility unless the item is faulty. For faulty or incorrectly described items, we cover return postage in full. Approved refunds go to the payment method you used within 10 business days. Your statutory rights are not affected.
0161 425 8273 · support@etech61.com
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Product details
Everything you need to know
- Fits: iPhone 8 (A1863 / A1905 / A1906)
- Capacity: 1821mAh
- Condition: Brand New
- In the box: 1 × replacement battery, 1 × installation tool kit
- Dispatch: Same day from Manchester, UK, on orders before 4:00PM Mon–Fri
- Returns: 30 days on unused items
Product Description
This is a replacement battery for the iPhone 8 (A1863, A1905, A1906) with a stated capacity of 1821mAh. It is intended for phones affected by fast battery drain, unexpected shutdowns, overheating or a swollen or worn battery.
A small tool kit is included to assist with installation, and the supplier recommends testing the battery before final fitting. It is supplied by E-Tech61 Ltd, a UK-based repair-parts retailer dispatching from Manchester.
Key Features & Highlights
Compatibility
- iPhone 8 (A1863)
- iPhone 8 (A1905)
- iPhone 8 (A1906)
Signs Your Battery Needs Replacing
- The battery drains much faster than it used to, even with light use.
- The phone shuts down unexpectedly while it still shows charge left.
- The device gets unusually hot while charging or during normal use.
- The back cover or screen is lifting or bulging — a sign of a swollen battery. Stop using the device and replace the battery.
- On iPhone, Settings › Battery › Battery Health shows reduced maximum capacity or a service message.
How to Check Your Model Number
On the iPhone go to Settings › General › About. The Model Name (for example "iPhone 13") is shown at the top; tap Model Number to see the A-number (for example A2633).
Specifications
- Professional installation is recommended.
- Installed or damaged batteries cannot be returned.
- Battery adhesive strips are sold separately unless included in the kit.
- Handle lithium batteries with care: do not puncture, bend, crush or heat the battery, and never fit a battery that is swollen or damaged.
- Order by model number — check that your device matches the model shown above before fitting.
- If you are unsure which battery you need, contact us with your model number before ordering.
- Please test the battery before any final installation.
- Recycle your old battery at a battery collection point — do not put it in household waste.
Frequently Asked Questions
Will this battery fit my iPhone 8?
Yes, it is listed as compatible with iPhone 8 models A1863, A1905 and A1906.
What capacity is this battery?
It has a stated capacity of 1821mAh.
Are tools included?
Yes, a small tool kit is included for installation.
Is installation difficult?
Professional installation is recommended, and the supplier advises testing the battery before final fitting.
How quickly will my order be dispatched?
Orders paid before 4:00PM Monday to Friday are dispatched the same day from our Manchester warehouse. Orders placed later, at weekends or on bank holidays go out the next working day.
How much is UK delivery?
Royal Mail Tracked 48 is free on UK orders of £5 or more (£2.49 below that). Royal Mail Special Delivery Guaranteed by 1pm is available at checkout, and you can also collect from our shop at 33 Moulton St, Manchester M8 8FQ.
Can I return it if it is not right?
Yes. You have 30 days from delivery to return an unused item in the condition it was supplied in. Please contact us before sending anything back. Your rights under the Consumer Rights Act 2015 are not affected.
Delivery
Fast, tracked delivery from Manchester
Same-day dispatch
Order and pay before 4pm, Monday to Friday, and it leaves us the same day. Later orders, weekends and bank holidays go out the next working day.
Evri Tracked (UK)
£3.19Batteries travel by tracked Evri courier, with a tracking number on every order. Batteries ship within the UK only.
Local pickup
Collect from 33 Moulton St, Cheetham Hill, Manchester M8 8FQ. Usually ready within 24 hours — we’ll email you when it’s ready.
Returns
30 days to change your mind
- 30 days to request a return, from the day you receive your item
- Item unused, in the condition and packaging it was supplied in, with proof of purchase
- Contact us before sending anything back — unauthorised returns can’t be accepted
- Approved refunds go to the payment method you used within 10 business days
- Test the part before final installation — adhesive applied voids a change-of-mind return
- Return postage is paid by the buyer unless the item is faulty
Your rights: as a UK business we always uphold the Consumer Rights Act 2015 and the Consumer Contracts Regulations 2013. For faulty or incorrectly described items, we cover return postage in full. Read the full refund policy.

Phone repair parts, from a real UK business
E-Tech61 Ltd is a Manchester-based supplier of phone, tablet and tech repair parts to DIY fixers and repair shops across the UK.
- Company
- E-Tech61 Ltd
- Companies House
- 08915335
- VAT number
- GB 209 379 096
- Phone
- 0161 425 8273
- support@etech61.com
- Hours
- Mon–Fri, 10am–6pm












