Refurbished Phone Battery Health Explained

Battery health is an important consideration when buying a refurbished phone. It tells you how much charge the battery can hold compared with when it was new.

At Want a New Gadget, every refurbished phone we sell has a minimum of 80% battery health at the time it is checked and prepared for sale.

This means you can shop our refurbished phones knowing the battery has been checked as part of our testing process.

Minimum 80% battery health
Fully tested & functional
Clear cosmetic grading
12-month warranty included


New to refurbished devices? Read our guide to refurbished phones to learn how refurbished phones are tested, graded and prepared for sale.

What does 80% battery health mean?

Battery health is a measure of the battery's maximum capacity compared with its original capacity when new.

For example, a phone showing 80% maximum battery capacity can hold approximately 80% of the charge it could when its battery was new.

Our 80% figure is a minimum, so the refurbished phone you receive may have a higher battery health percentage.

Is 80% battery health good for a refurbished phone?

We use 80% battery health as our minimum standard for refurbished phones.

A refurbished phone has already had a previous life, so some reduction in battery capacity is normal. The exact battery health you receive will vary between individual devices.

Every phone is checked before sale and must meet our minimum battery-health requirement.

Will my phone have exactly 80% battery health?

No. 80% is the minimum, not the target.

Your phone may arrive with battery health above 80%. The exact percentage depends on the individual device, its age and its previous usage.

Because refurbished devices are individually tested, we cannot guarantee a specific battery-health percentage above our minimum unless this is explicitly stated on the product listing.

Does battery health affect phone performance?

Battery health primarily describes how much charge the battery can store, rather than the cosmetic grade of the phone.

All of our refurbished phones are tested to ensure they are fully functional before sale, regardless of whether they are graded Premium, Great or Fair.

The cosmetic grade describes the physical appearance and signs of previous use — it does not determine the minimum battery-health standard.

Does Premium condition mean better battery health?

No. Premium, Great and Fair refer to cosmetic condition, not battery health.

A Premium phone should have fewer visible signs of previous use than a Great or Fair phone, but all three grades are subject to our minimum 80% battery-health standard.

If you're unsure which cosmetic condition to choose, see our Refurbished Phone Grading Guide.

Why does battery health reduce over time?

Rechargeable lithium-ion batteries naturally lose some of their maximum capacity as they age and go through charge cycles.

Factors such as usage, charging habits, temperature and the age of the device can all affect battery capacity. This is why two refurbished phones of the same model may show different battery-health percentages.

What if I have a problem with my refurbished phone?

Every refurbished phone purchased from Want a New Gadget includes our 12-month warranty.

If you experience a fault with your device, please contact us so we can help. Full details of what's covered and any exclusions can be found in our Warranty Policy.

Battery FAQs

How is battery health checked on a refurbished phone?

As part of our testing process, we check the battery condition and capacity of each refurbished phone before it is offered for sale. Every refurbished phone we sell must meet our minimum standard of 80% battery health.

Can I check the battery health when my phone arrives?

Yes. On many phones, battery information can be viewed within the device settings. On an iPhone, for example, you can check this under Settings → Battery → Battery Health.

The information available and where it appears can vary depending on the manufacturer and model.

Why do two refurbished phones have different battery health?

Battery health naturally reduces with age and use, so two refurbished phones of the same model can have different battery capacities. Factors such as the age of the device, previous usage and charging history can all affect battery health. Every refurbished phone we sell will have a minimum of 80% battery health.

Does Premium condition mean a better battery?

No. Premium, Great and Fair describe the cosmetic condition of the phone, not its battery health. A Premium phone will generally show fewer signs of previous use, but all of our refurbished phone grades are subject to the same minimum 80% battery-health standard.

Is battery health covered by the 12-month warranty?

Our refurbished phones include a 12-month warranty covering eligible faults. Battery coverage is subject to the terms and exclusions of our warranty, so please refer to our Warranty Policy for full details.

Do refurbished phones come with a new battery?

Not necessarily. A refurbished phone may retain its existing battery if it meets our testing requirements and minimum 80% battery-health standard. A replacement battery is therefore not guaranteed unless this is specifically stated in the product listing.

Ready to Find Your Next Refurbished Phone?

Browse our range of refurbished phones from Apple, Samsung, Google and more.

Every refurbished phone is fully tested and supplied with a minimum of 80% battery health and a 12-month warranty.

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