If your HP is dying early or won't hold a charge, a new battery revives it for a fraction of the cost of a new laptop. With HP, getting the right pack comes down to your model and part number — several HP lines shipped with more than one battery, so the code matters. Here's how to confirm both quickly, then install with confidence.
Already know your part number?
Jump straight to compatible HP batteries and check the code against your label.
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Does your HP actually need a new battery?
Before ordering, it's worth a 30-second check that the battery — not something else — is the problem. A replacement is the right fix if you recognize one or more of these:
Signs the battery is the cause, and what each one means.
| What you're seeing |
What it usually means |
|
Runtime collapsed — hours have become minutes |
Cells have lost capacity with age; the classic replacement trigger |
|
Early shutdowns — powers off at 20–60% showing |
Voltage drops under load before the charge "runs out"; worn cells |
|
"Plugged in, not charging" or charge stuck |
Often a worn pack or a firmware/handshake issue — try this fix first
|
|
HP battery alert at startup ("Primary battery — Replace") |
HP's own check has flagged the battery as failed; replace it |
|
Swelling — trackpad lifting, case bulging, won't sit flat |
A safety hazard — stop using it and replace immediately |
Want to confirm with numbers? On Windows, open a Command Prompt and run powercfg /batteryreport, then compare full charge capacity with design capacity in the report. Below roughly 60–70% of design means the battery is worn and a replacement will restore your runtime.
Swelling is the one to act on now. A bulging battery can damage your laptop and is a fire risk. Power down, stop charging, avoid pressing the palmrest or touchpad, and replace it promptly — don't put it in regular trash; use an e-waste point.
How to confirm your HP laptop model
Identify your exact HP model and product number before ordering. HP prints both a model name — for example Pavilion 15 or EliteBook 840 G7 — and a product/serial number on a label underneath the laptop. HP's support site looks up your machine's original battery specification from that product number, so you can confirm exactly which pack shipped with your configuration.
How to find your HP battery part number
HP batteries carry a part number and often a short battery name code (such as a four-letter designation) printed on the pack label. On removable batteries it's visible from the bay; on internal batteries it's on the pack once the bottom cover is off. Several HP lines shipped with more than one battery, so match the part number, voltage and connector exactly.
Match the part number, voltage and connector for a guaranteed fit. Capacity (Wh) can be equal or higher than the original at the same voltage for longer runtime — never change the voltage.
Common HP battery part numbers by model
To make matching faster, here are some of the most common HP battery codes and the laptop families they're used in. This is a starting reference — HP often used more than one battery per line, and the exact spare number on your label is always the final word. Find your code below, then confirm it against the pack in your machine.
Frequently seen HP battery part numbers. Always confirm against the code printed on your own battery.
| Battery code |
Voltage / capacity* |
Commonly used in |
SS03XL |
11.55V / ~50Wh |
EliteBook 830/840/846 G5 & G6, 735/745 G5–G6, ZBook 14u G5/G6 |
CC03XL |
11.55V / ~53Wh |
EliteBook 830/840/845 G7 & G8, ZBook Firefly 14 G7/G8, ProBook 635 Aero |
RR03XL |
11.4V / ~48Wh |
ProBook 430/440/450/455/470 G4 & G5 |
RE03XL |
11.4V / ~45Wh |
ProBook 430/440/445/450/455R G6 & G7 |
RH03XL |
11.4V / ~45Wh |
ProBook 430/440/450/630/650 G8–G10, EliteBook 630/640/650 G10 |
LK03XL |
11.55V / ~52Wh |
Envy x360 15 & 17, Pavilion x360 15-cr |
HS03 / HT03XL |
11.55V / ~41Wh |
Pavilion 15 (15-ac/15-af/15-ba/15-ay and later 15-series) |
KI04 |
14.8V / ~41Wh |
Pavilion 14/15 (Touch) "Beats"/ak series and similar |
PI06 |
11.1V / ~62Wh |
Envy 15/17 & Pavilion 14-E / 15-E / 17-E series |
PG03XL / SR03XL |
~11.4–11.55V |
Pavilion Gaming 15/16 & OMEN 15 |
*Voltage and capacity are typical values for the most common version of each pack; some lines shipped multiple capacities. Codes ending in "XL" sometimes appear on the label with a letter "O" (e.g. LKO3XL) — it's the same battery.
Can't find your exact code above? That's normal — HP has hundreds of SKUs and this is a shortlist of the highest-volume ones. Send us the code on your label and we'll confirm the match.
HP battery by sub-series
HP battery compatibility groups by product family. Confirm by part number after narrowing here.
HP lines and how their batteries differ. Always confirm the exact part number for your unit.
| HP line |
What to know |
|
Pavilion (consumer mainstream) |
The highest-volume range; multiple battery families by generation |
|
Envy (premium consumer) |
Slim internal batteries with model-specific parts |
|
EliteBook / ProBook (business) |
Long-life packs, many part numbers across generations |
|
Omen / Victus (gaming) |
High-capacity internal batteries |
|
Spectre & Stream / Chromebook |
Premium ultrabook and education lines with their own dedicated parts |
How to install an HP laptop battery
Newer HP laptops use an internal battery. The process is straightforward, done powered-down:
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Power off and unplug the laptop completely.
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Remove the bottom-cover screws — note that some may be hidden under the rubber feet.
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Release the clips and gently lift the cover.
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Disconnect the battery cable from the board, unscrew the pack, and lift it out.
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Seat the new battery and reverse the steps.
Older Pavilion and ProBook models use an external latch-release battery that swaps without tools.
Work powered-down and keep metal tools away from the board. If you'd rather not open the chassis, a technician can fit it quickly — and check warranty status first, since opening some models can affect coverage.
Buying a replacement HP battery
With the part number matched, you're choosing between an OEM HP pack and a quality-tested aftermarket equivalent. A good aftermarket battery uses Grade A cells and a proper BMS and meets the original spec, at a lower price than OEM. Browse compatible options in our HP battery collection and check the part number on your label before ordering.
If your model shipped with more than one battery option and you're not sure which you have, our guide on laptop battery replacement covers how to identify the right battery by model and part number.
Send us your HP model and the part number on your battery label via WhatsApp and we'll confirm the exact match before you order — or go straight to the
HP battery collection. Every pack ships with Grade A cells, a proper BMS, certifications, and a warranty.
Frequently asked questions
How do I find my HP model and battery?
HP prints a model name and a product/serial number on a label underneath the laptop. HP's support site looks up your original battery spec from that product number.
Where is the part number?
A part number and often a short name code on the pack label — visible from the bay on removable batteries, or on the pack once the bottom cover is off. Several HP lines had multiple batteries, so match it exactly.
Can I install a higher-capacity battery?
Yes, if part-number compatibility, voltage and connector match. Higher Wh at the same voltage means longer runtime. Never change the voltage.
Are HP batteries easy to replace myself?
Older latch-release models swap without tools. Newer internal-battery models need the bottom cover off (some screws under rubber feet) and the cable disconnected — straightforward with a screwdriver, done powered-down. If you'd rather not open the chassis, a shop typically charges roughly $30–60 in labor on top of the battery.
How much does an HP battery replacement cost?
The battery itself is usually around $40–80 for common Pavilion/ProBook models, and more for higher-capacity or premium packs (Spectre, Envy, gaming). A genuine HP pack costs a premium; a quality aftermarket equivalent is typically cheaper. If a shop installs it, add roughly $30–60 labor. Doing it yourself keeps it to just the battery price.
Is it worth replacing the battery or should I buy a new laptop?
If the laptop is otherwise healthy and only the battery is the problem, replacing it is far more cost-effective — typically $40–150 versus several hundred for a new machine, and you skip migrating all your files and apps. Lean toward a new laptop only if it's also slow, low on storage, or facing other costly repairs, or is roughly 5–6+ years old.
How long does an HP laptop battery last?
Most last about 2–4 years, or roughly 300–500+ charge cycles, before capacity drops noticeably. Heavy use, heat, and sitting at 100% shorten it; light office use in cool conditions extends it. Business lines (EliteBook) with HP Long Life cells often run toward the higher end.
Will a third-party battery void my HP warranty?
Using a compatible aftermarket battery on its own doesn't void your warranty. The caveat: if a poor-quality pack causes damage, coverage for the affected parts can be at risk. That's why cell quality, a proper BMS, and certifications matter — a quality replacement handshakes and behaves like the original.
Do I need to calibrate a new HP battery?
Usually not. Modern HP laptops manage this — just use it normally and the gauge re-syncs over the first few cycles. If readings look off later, HP Support Assistant's Battery Check can recalibrate. Avoid routine full 0–100% cycling; it adds wear without benefit.
How do I dispose of the old battery?
Never in household trash — lithium-ion can be a fire and environmental hazard. Use an electronics-recycling point, a retailer take-back bin, or ask your battery supplier about recycling. If the old pack is swollen, handle it gently and recycle it promptly.
