# Battery pack HP L11421-271 for Pavilion 15-CS1007NB, 11.34V 3440mAh

**URL:** https://aio.lv/en/product--hp-l11421-271--3961322
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L11421-271
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 78.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 65.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-l11421-271--3961322

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Rechargeable battery pack HP L11421-271 designed for the Pavilion 15-CS1007NB laptop. Nominal voltage 11.34V and capacity 3440mAh. Replaces the original internal battery to restore portable runtime for everyday use: web browsing, office work and media playback. Compatible unit for repair or replacement, offering straightforward installation and OEM-equivalent form factor.

## Long description

Rechargeable battery pack HP L11421-271 is designed as a direct internal replacement for the Pavilion 15-CS1007NB laptop. With a nominal voltage of 11.34V and a capacity of 3440mAh, this compatible battery restores portable runtime for everyday activities such as web browsing, office applications and media playback. The pack matches the OEM form factor and connector layout to provide straightforward installation and reliable mechanical fit inside the laptop chassis.
Advantages
This battery pack delivers stable voltage and rated capacity to recover the laptop's mobility without modifying the device. It provides compatibility with the Pavilion 15-CS1007NB design, retaining original mounting points and connector orientation. The unit is a practical option for repair or replacement, enabling users to avoid a full device exchange while restoring acceptable run times for typical daily use.
Suitable for
 Replacing a worn or failing internal battery in HP Pavilion 15-CS1007NB
 Restoring laptop mobile runtime for browsing, office work and video playback
 Repair workshops performing battery swaps and component-level maintenance
 Users seeking a compatible, drop-in battery pack with OEM-equivalent shape
Key specifications
 Nominal voltage: 11.34 V
 Rated capacity: 3440 mAh
 Battery type: rechargeable lithium-based internal pack
 Form factor: internal laptop replacement pack with OEM-equivalent dimensions and connector
 Typical use: consumer laptop power for everyday applications
How to use
Power down the laptop, disconnect the AC adapter and remove any external peripherals before beginning replacement. Follow the service manual or manufacturer guidance to access the internal battery compartment, taking electrostatic discharge precautions. Disconnect the existing battery connector, remove any mounting screws or brackets, and install the replacement pack in the same orientation. Reconnect the battery cable, reassemble the laptop and charge the battery fully before first use to calibrate charge reporting.
Usage recommendations
For safe operation, use the battery only with the specified laptop model and original charger. Avoid exposure to extreme heat or moisture, and store the battery at moderate charge if not used for extended periods. If you encounter abnormal heating, swelling or rapid capacity loss, discontinue use and consult a qualified service provider.

## FAQ

### How much does the HP Pavilion 15-CS1007NB battery L11421-271 11.34V 3440mAh cost, and is it available for purchase?

The price is 78.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2407 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 07.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3961322/51474437_large.webp