USAbatteries.com stocks 1 compatible replacement batteries for the HP 15 series. Replacement batteries in this category are priced at $55.99.
The HP 15 is a long-running, budget-friendly laptop line built for students, home users, and general office work like web browsing, schoolwork, and light productivity. It has been on the market since 2013 and spans a wide range of sub-models across many model years. Over that time the series moved from external, removable packs on early models to slim internal packs on newer ones, so the breadth here is large.
HP 15 batteries are lithium-ion, with newer models commonly running at 11.55V on packs like the HT03XL. Cell counts vary, with older models often using 4-cell packs and many 2018 and later models using 3-cell internal packs, and the part number changes by sub-series and model year. For example, a 15-dy model typically uses the HT03XL, while an older 15-ay uses the OA04, so two laptops that both say “HP 15” on the lid can take completely different batteries. Match your exact model before you buy.
Always confirm your exact model number and the part number printed on your current battery before ordering.
HP 15 Battery Specifications
| Cell chemistry | Lithium-ion |
|---|---|
| Price | $55.99 |
Frequently Asked Questions
What battery does the HP 15 use?
It depends on your exact sub-model, since the HP 15 spans many different packs. Many 2018 and later models (15-da, 15-db, 15-dw, 15-dy, 15-ef) use the HT03XL, a 3-cell internal pack rated around 11.55V. Older models like 15-ac and 15-ay used the external 4-cell OA04 or OA03 instead. Check the full model string on the base of your laptop, for example 15-dy1032wm, and read the part number printed on your current battery to confirm. Replacements in this category are priced at $55.99.
How do I find the right battery for my HP 15 model?
Read the full model string on the bottom of the laptop, such as 15-dy1032wm or 15-dw0000, then match it to the correct pack. Newer 15-da, 15-dw, and 15-dy models commonly use the HT03XL at about 11.55V, while 15-bs and 15-ra often use JC04, and older 15-ac and 15-ay use OA04. For the surest match, open the laptop and read the part number printed on the existing battery before ordering.
How much does a HP 15 replacement battery cost?
HP 15 replacement batteries in this category are priced at $55.99. Because the HP 15 spans many sub-series, the exact pack you need (for example an HT03XL for a 15-dy versus an OA04 for an older 15-ay) determines which listing applies to your laptop. Confirm your model number and the part number on your current battery so you order the one that fits, then check the listing for that pack.
Are HP 15 batteries interchangeable?
No, HP 15 batteries are not all interchangeable. HP uses many different, non-interchangeable battery shapes across this series, and the type even changed over time, from external removable packs on early models to internal packs on newer ones. A 15-dy using the HT03XL at about 11.55V will not accept the OA04 from an older 15-ay, and a 15-bs using JC04 differs again. Always match your exact sub-model and the part number on your current battery.
What differs between the HP 15 sub-series batteries?
Cell count, mounting style, and part number all differ. The 15-da, 15-db, 15-dw, and 15-dy group commonly uses the HT03XL, a 3-cell internal pack near 11.55V that requires opening the base. The 15-bs, 15-cc, and 15-ra group often uses JC04 or similar internal packs. The older 15-ay and 15-ac models used the external 4-cell OA04 or OA03 that clicks in from the outside. That is why matching your exact sub-model matters.
Where do I find the battery part number?
The most reliable place is on the existing battery itself, where a code like HT03XL, JC04, or OA04 is printed. On models with an internal pack you will need to remove the base (often 8 to 10 screws) to read it. You can also check the full model string on the bottom of the laptop, for example 15-dy1032wm, which points you to the right family, such as the HT03XL used across many 2018 and later 15-series models.
Can I replace the HP 15 battery myself?
Yes, in most cases. Early models like 15-ay and 15-ac used an external 4-cell pack (OA04) that releases from the outside with a latch, so no tools are needed. Most 2018 and later models, such as the 15-dy with the HT03XL, use an internal pack, which means removing roughly 8 to 10 screws from the base to reach it. Confirm whether yours is external or internal before you start, and read the part number to order the correct pack.
What are the signs the HP 15 battery needs replacing?
Common signs include much shorter runtime than when the laptop was new, the charge level dropping suddenly, the laptop shutting off even with charge remaining, or it only running while plugged in. You may also see a battery health warning in Windows. If your 15-dy with an HT03XL pack (about 11.55V) now lasts a fraction of its former runtime, it is likely time to replace it. Confirm your model number and part number, then order the matching pack at $55.99.
Related Categories
- All HP Laptop Batteries
- HP Laptop Chargers
Last updated: June 2026. Compatibility data verified before publishing.