# Rechargeable Battery HP L11421-AC1 COSLIGHT515974 NCM 3.72Ah for Portable Devices

**URL:** https://aio.lv/en/product--hp-l11421-ac1--3961330
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L11421-AC1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 78.99 €
**Prices and availability valid until:** 2026-07-19 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-ac1--3961330

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Replacement rechargeable battery HP L11421-AC1 (COSLIGHT515974) NCM chemistry with a nominal capacity of 3.72 Ah. Designed for use in compatible portable devices and laptops that accept this HP battery model. Provides a compact power source for device operation and mobility, enabling extended run time and convenient replacement of worn or failed cells.

## Long description

Replacement rechargeable battery HP L11421-AC1 (COSLIGHT515974) NCM 3.72Ah is a compact power unit designed for compatible portable devices and laptops that accept this HP battery model. It provides a nominal capacity of 3.72 Ah using NCM (nickel-cobalt-manganese) cell chemistry and is intended as a direct replacement to restore device mobility and extend run time when the original battery is worn or failed.
Advantages
This rechargeable battery offers a nominal capacity of 3.72 Ah in a compact form factor suitable for devices compatible with the HP L11421-AC1 model. The NCM chemistry balances energy density and cycle life for typical portable device use. As a replacement unit, it allows convenient swap-in installation to recover battery-powered operation without requiring full device servicing.
Suitable for
 Laptops and portable devices compatible with HP L11421-AC1 / COSLIGHT515974 battery models
 Users needing to replace worn or failed original batteries
 Situations requiring longer run time or extended mobility for compatible devices
Key specifications
 Chemistry: NCM (nickel-cobalt-manganese)
 Nominal capacity: 3.72 Ah
 Intended use: rechargeable battery for compatible portable devices and laptops
 Form factor: compact replacement battery designed to fit devices accepting the HP L11421-AC1 model
How to use
Power the target device off and follow the device manufacturer’s instructions for battery removal. Replace the original battery with the HP L11421-AC1 COSLIGHT515974 unit, ensuring proper alignment of contacts and secure seating in the battery compartment. After installation, charge the battery using the device’s standard charging procedure until fully charged before first extended use. Observe the host device’s battery status indicators to confirm correct operation.
Usage recommendations
Use the battery only in devices specified to accept the HP L11421-AC1 model. Charge and store the battery at moderate temperatures, avoid exposure to extreme heat or moisture, and follow the device manufacturer’s guidelines for charging cycles and storage to maintain performance and safety.

## FAQ

### How much does the HP L11421-AC1 NCM 3.72Ah Battery 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 — 2452 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 08.07.2026 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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