The HP Envy x360 is a slim, stylish 2-in-1 laptop that many people use for years. Over time, even a good battery loses capacity. When your Envy x360 starts dying quickly or only works reliably on the charger, the big question appears:
Is it worth replacing the HP Envy x360 battery, or should you just buy a new laptop?
This article looks at the technical and practical side of that decision – cost, performance, lifespan and safety – so you can decide what makes sense for your situation. If you decide to replace the battery, you can find compatible HP batteries here:
Browse replacement batteries for HP laptops
Why HP Envy x360 batteries wear out
The Envy x360 uses an internal lithium-ion battery pack, usually a 3-cell or 4-cell design. Lithium-ion cells gradually lose capacity with every charge cycle due to chemical aging. Typical patterns are:
- After 1–2 years of daily use, many batteries drop to around 70–80% of original capacity.
- After 3–4 years, it is common to see 50–60% or even less.
- High temperatures, heavy gaming or constant full charging can speed up this aging process.
Eventually you see symptoms such as very short runtime, sudden shutdowns or warning messages in Windows. At that point, the battery still works electrically, but it no longer provides a good mobile experience.
Cost comparison: new battery vs new laptop
Before we look at technical details, it helps to compare the cost of a battery replacement with the cost of a new HP Envy x360 or similar laptop.
- Replacement battery: normally a small fraction of the price of a new laptop. You pay for the battery itself and, optionally, a labour fee if a technician installs it.
- New laptop: not only costs much more, but may also require data migration, software re-installation and time to set up everything again.
From a purely financial perspective, if the rest of your Envy x360 is working well (screen, keyboard, SSD, mainboard, hinges), replacing the battery is almost always the cheaper option. The real question is how much extra life and performance you gain from that new battery.
What do you gain by replacing the battery?
A fresh, high-quality battery can restore the mobility and stability of your laptop. Technically, you gain:
- Longer runtime: moving from a worn-out 40–50% capacity battery back to 100% can almost double your unplugged hours.
- More stable voltage: a new pack delivers power more reliably, reducing sudden shutdowns or crashes under load.
- Better thermal behaviour: old batteries can run warmer; a new one usually runs cooler when used correctly.
- Improved safety margin: replacing a swollen or damaged battery significantly reduces the risk of leakage or fire.
If you are happy with the CPU performance, RAM and storage of your current Envy x360, a new battery can make it feel “young” again in everyday use.
When is it worth replacing the HP Envy x360 battery?
Here are typical situations where replacing the battery is technically and economically sensible:
1. The laptop is less than 4–5 years old and still fast enough
If your Envy x360 can still handle your work, browsing, streaming or light gaming, then the main limiting factor is the battery. In this case, a replacement is usually the smartest choice.
2. The battery health is significantly degraded
You can check battery health in Windows using tools like powercfg /batteryreport or third-party utilities. If the “Full Charge Capacity” has dropped well below “Design Capacity” (for example 40–60%), you will clearly feel the difference with a new pack.
3. You rely on mobility
For students, field workers and frequent travellers, being tied to the charger is a big productivity loss. A new battery restores several hours of cable-free work and justifies the investment quickly.
4. The battery is swollen or physically damaged
If the bottom case is bulging, the touchpad is pushed up or you see any physical deformation of the battery, replacement is not only “worth it” – it is necessary for safety reasons. Stop using the laptop on battery and arrange a replacement as soon as possible.
When might it not be worth replacing the battery?
There are also scenarios where it may be better to invest in a new machine instead of a battery:
- Very old hardware: If your Envy x360 is 6–7+ years old and struggles with modern software (high CPU usage, RAM constantly full), then a battery replacement will not fix the overall slowness.
- Multiple hardware issues: A failing keyboard, cracked display, unreliable ports or frequent mainboard errors mean future repair costs will add up. In that case, a new battery alone is not a good investment.
- You are planning to upgrade anyway: If you already decided to move to a more powerful device soon, it may be smarter to put the money towards the upgrade rather than into the old laptop.
In short: if the battery is the only real problem, replacement is worth it. If the whole system feels outdated or unstable, save that money for a new laptop.
Technical considerations: compatibility and quality
To get the full value from a battery replacement, you must choose a pack that is technically compatible and built to good standards.
1. Voltage and capacity
Most HP Envy x360 batteries are 11.4 V or 11.55 V packs, with capacities around 40–60 Wh. A compatible replacement must match the original voltage and fit inside the chassis. Capacity can sometimes be slightly higher without problems, as long as the form factor and connector are the same.
2. Correct connector and shape
Different Envy x360 generations use slightly different battery shapes and connectors. That is why matching the HP spare part number (for example LK03XL, L11119-855, RR04XL) and your exact model line (13-ar, 15-bp, 15-dr etc.) is critical. A high-quality replacement will list all compatible models clearly.
3. Protection circuits
Good batteries integrate protection for:
- Over-charge / over-discharge
- Short circuit
- Over-current
- Over-temperature
These circuits work together with the laptop’s own power management to keep operation safe and stable. Cheap, unbranded packs may cut corners here and are not worth the risk.
DIY replacement vs paying a technician
Another part of the “is it worth it?” question is whether you are comfortable replacing the battery yourself.
Do-it-yourself
If you have experience opening laptops and working with small electronics, an HP Envy x360 battery replacement is manageable:
- Remove bottom screws (some hidden under rubber feet).
- Use a plastic spudger to open the case without scratching it.
- Disconnect the old battery, unscrew it and lift it out.
- Fit the new battery, reconnect and reassemble.
This path keeps the cost low and is especially attractive if you already own the necessary tools.
Professional service
If you are unsure about opening the laptop, you can still buy a compatible battery and ask a local repair shop to install it. You pay a bit more, but you avoid the risk of damaging connectors or the casing. For many users, this is a good compromise: quality replacement + professional work at a lower total cost than an official service centre.
Battery replacement vs laptop upgrade: a decision framework
You can think about the decision like this:
- Battery is weak but laptop is fast → Battery replacement is almost always worth it.
- Battery is weak and laptop is “okay” → Replacement is worth it if you plan to use the laptop for another 1–3 years.
- Battery is weak and laptop is outdated/unstable → Better to save the money for a new device.
If you are in the first or second category, a new Envy x360 battery offers excellent “value for money” – small investment, big improvement in usability.
Where to buy a HP Envy x360 replacement battery
To get the best result from your battery upgrade, use a reliable supplier that specialises in laptop batteries and clearly lists compatibility and warranty. You can start your search in the HP section here:
View HP replacement batteries (including Envy x360)
On that page, look for your exact Envy x360 model and HP battery part number in the description to ensure a perfect match.
Conclusion: is it worth replacing a HP Envy x360 battery?
In most real-world cases, yes, replacing a HP Envy x360 battery is absolutely worth it. A new, high-quality battery can:
- Restore hours of unplugged usage
- Make the laptop more stable and reliable
- Extend the useful life of a device you already know and like
- Cost far less than buying a new equivalent machine
As long as the rest of your Envy x360 is healthy, a battery replacement is a smart, eco-friendly and budget-friendly upgrade.
When you are ready to upgrade the power source of your laptop, you can explore compatible options here:
https://www.buy-a-charger.co.uk/pcbattery/product-category/battery-for-hp/.