# Battery HP model L11421-1C6 COSLIGHT515974 NCM 3.72Ah — rechargeable 3.72 Ah cell for portable devices

**URL:** https://aio.lv/en/product--hp-l11421-1c6--3961320
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L11421-1C6
**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-l11421-1c6--3961320

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Rechargeable HP battery (MPN L11421-1C6, COSLIGHT515974) using NCM chemistry with a nominal capacity of 3.72 Ah. Designed as a replacement or spare cell for compatible portable devices, it offers reliable power storage and stable discharge characteristics. Suitable for repair, refurbishment, or extending run time of supported equipment.

## Long description

Rechargeable HP battery cell using NCM (nickel‑cobalt‑manganese) chemistry with a nominal capacity of 3.72 Ah. This single cell is intended as a replacement or spare for compatible portable devices and is designed to provide stable discharge behavior and reliable energy storage for repair, refurbishment, or extending device runtime.
Advantages
The cell delivers a defined nominal capacity of 3.72 Ah with chemistry that balances energy density and cycle life. Its construction supports steady voltage under load and predictable discharge characteristics, which simplifies compatibility checks during device repair or battery pack rebuilding. The rechargeable design allows multiple charge cycles, reducing the need for frequent replacements and supporting longer-term device operation.
Подходит для
Ремонт и восстановление аккумуляторных блоков портативной техники
Замена изношенных или повреждённых элементов в сборках батарей
Продление времени работы совместимых устройств между подзарядками
Испытаний и проверки электрических характеристик в сервисных мастерских
Key specifications
Chemistry: NCM (nickel‑cobalt‑manganese)
Nominal capacity: 3.72 Ah
Cell type: rechargeable single cell for portable devices
Designed for steady discharge and repetitive charge cycles
Typical use temperature range compatible with consumer portable electronics
How to use
Before installation, verify device compatibility by comparing physical dimensions, voltage range and connector type. Install the cell into the battery pack or device following manufacturer service guidelines, ensuring correct polarity and secure mechanical fit. Use a charger and charge controller compatible with NCM cells and observe recommended charging voltages and currents. After installation, perform a controlled charge and initial discharge cycle to confirm proper operation and capacity behavior.
Usage recommendations
Store cells in a cool, dry place at moderate state of charge (around 30–50%) if not used immediately. Avoid exposure to high temperatures, mechanical shock, and direct contact with conductive materials. For safety and longevity, use appropriate protection circuitry when assembling cells into packs, and follow local regulations for transportation and disposal of lithium‑based batteries.

## FAQ

### How much does the HP L11421-1C6 COSLIGHT515974 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 — 2647 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 09.07.2026 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/3961320/51474435_large.webp