# Battery pack for HP Pavilion 15‑CS1007NB, 11.34V 3440mAh, replacement battery L11421‑2C3

**URL:** https://aio.lv/en/product--hp-l11421-2c3--3961323
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L11421-2C3
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 78.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 65.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-l11421-2c3--3961323

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Replacement battery pack compatible with HP Pavilion 15‑CS1007NB. Nominal voltage 11.34V and capacity 3440mAh (manufacturer part L11421‑2C3). Designed to restore portable power to the laptop, it provides reliable runtime for mobile use, meetings and travel. Easy to install as direct OEM replacement; recommended when original battery shows reduced capacity or fails to charge.

## Long description

Replacement battery pack compatible with HP Pavilion 15‑CS1007NB. This 11.34V, 3440mAh lithium-ion battery is designed as a direct replacement to restore portable power for the laptop. It provides typical runtime suitable for everyday mobile use, meetings and travel, and installs in place of the original battery to regain reliable operation when the factory battery shows reduced capacity or fails to charge.
Advantages
The battery offers a nominal voltage of 11.34V and a capacity of 3440mAh to match the power requirements of the HP Pavilion 15‑CS1007NB, enabling stable performance under normal multitasking conditions. As a direct replacement unit, it fits the original battery bay and connects to the laptop without modification. Lightweight and compact, it maintains the laptop’s portable profile while providing renewed runtime for productivity away from mains power.
Suitable for
 Replacing a worn or failing battery in HP Pavilion 15‑CS1007NB
 Extending usable time for meetings, classes and business travel
 Maintaining mobile productivity when AC power is unavailable
 Service and repair of laptops that do not charge or have shortened runtime
Key specifications
 Battery type: Lithium‑ion (Li‑ion)
 Nominal voltage: 11.34 V
 Rated capacity: 3440 mAh
 Form factor: Pack designed for internal laptop bay
 Typical application: 15.6" notebook power source
How to use
Power down the laptop and disconnect any AC adapter and external devices. Remove the service cover or battery bay screws according to the laptop maintenance instructions, then extract the original battery. Align the replacement battery with the connector and snap it into place without forcing. Replace the cover and screws, reconnect the AC adapter and power on the laptop. Allow the battery to charge to full capacity before first regular use to ensure proper battery calibration.
Usage recommendations
Use the battery with the original AC adapter and avoid exposing the laptop or battery pack to extreme temperatures or moisture. For best lifespan, avoid deep discharges on a regular basis and store the battery at approximately 40–60% charge if not used for extended periods. If you notice excessive heat, swelling or failure to hold charge, discontinue use and consult a service professional.

## FAQ

### How much does the HP Pavilion 15‑CS1007NB battery pack 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 — 2496 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 16.07.2026 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

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