✨Our Batteries are 85%+ capacity (competitors offer 80%) ⭐Upgrades to a brand new battery also available✨
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Battery Upgrade

Refurbished device's come with a minimum of 85% of the manufacturer’s original capacity. Upgrade to a brand new battery

Learn about refurbished conditions
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£39.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£52.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£14.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£19.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£29.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£29.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£44.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£34.99
Limited stock
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£52.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£29.99
Limited stock
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£44.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£42.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£59.99
Limited stock
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£54.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£24.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£32.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£34.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£39.99
Limited stock
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£39.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£44.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£34.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£49.99
Selling fast
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£44.99
Hot seller
The Big Phone Store Battery Upgrade

The Big Phone Store Battery Upgrade

brand new

£44.99
Limited stock

Customer Reviews

We value the opinions of all of our customers, and we're sure that you do too! If you're still unsure about buying the Battery Upgrade you want, take a look at the reviews our customers have left for us.

5 stars 5/5
Based on 9 customer reviews
J
Joseph
1 day ago
5 stars

I bought a refurbished iPhone 13 Pro and it's amazing! The phone looks and works like new. Battery life is perfect. Plus, the purchase process was so easy. The team helped me upgrade to a brand-new battery without any hassle. I'm so happy with my phone. Awesome service from The Big Phone Store!

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
p
phyl
1 day ago
5 stars

I definitely hit the jackpot! Got a ‘new’ phone, and it looked incredible. Also added a battery upgrade what a game changer for long days out with my kiddos! The delivery was super quick too. Happy all around!

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
P
Philip
4 days ago
5 stars

I got the iPhone SE and added a new battery. So happy with my purchase! The phone runs like a charm and it came in perfect condition. The battery is a lifesaver!

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

4 stars

Delivery speed

5 stars

Recycled packaging

5 stars