# Rechargeable Battery HP L11421-1C4 (COSLIGHT515974) NCM 3.72Ah for Portable Devices

**URL:** https://aio.lv/en/product--hp-l11421-1c4--3961318
**Data updated:** 2026-02-12 09:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** L11421-1C4
**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-l11421-1c4--3961318

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Replacement rechargeable battery HP L11421-1C4 (COSLIGHT515974) with NCM chemistry and a nominal capacity of 3.72Ah. Designed for use in compatible portable devices as a direct power source or replacement unit. Provides reliable runtime restoration, straightforward installation where applicable, and is intended for users needing original-equivalent battery performance.

## Long description

Replacement rechargeable battery HP L11421-1C4 (COSLIGHT515974) with NCM chemistry and a nominal capacity of 3.72Ah. Designed as a direct replacement for compatible portable devices, this battery restores runtime and offers a consistent power supply for systems that accept the specified form factor and electrical characteristics. The unit is intended for users who require original-equivalent battery performance and straightforward installation when the device supports user-serviceable battery replacement.
Advantages
The battery uses NCM (nickel-cobalt-manganese) cell chemistry to provide a balance of energy density and stable discharge characteristics suitable for many portable applications. With a nominal capacity of 3.72Ah, it offers predictable runtime restoration compared to depleted cells of the same specification. The design matches the electrical and physical parameters required for compatible HP devices, enabling direct replacement without system modifications when compatibility is confirmed. Rechargeable construction reduces the need for frequent disposable batteries and supports repeated charge–discharge cycles.
Suitable for
Replacement in compatible HP portable devices that accept the L11421-1C4 battery form factor
Field service or repair tasks requiring restored battery runtime
Users seeking a rechargeable NCM battery with nominal 3.72Ah capacity
Key specifications
Chemistry: NCM (nickel-cobalt-manganese)
Nominal capacity: 3.72 Ah
Intended use: rechargeable power source for compatible portable devices
How to use
Before installation, ensure the target device is powered off and disconnected from external power. Verify compatibility with the device’s service documentation or battery compartment markings. Install the battery following the device manufacturer’s instructions for orientation and connector seating, and secure any covers or fasteners. After installation, charge the battery according to the device’s charging procedure until the charge indicator shows full or until the recommended initial charge time elapses. Dispose of the original battery according to local regulations for rechargeable battery recycling.
Usage recommendations
For reliable operation, use the battery within the device’s specified temperature range and follow the device manufacturer’s charging guidelines. Avoid exposure to extreme heat or moisture and handle connectors carefully to prevent damage. If you are uncertain about compatibility or installation, consult device service documentation or a qualified technician.

## FAQ

### How much does the HP L11421-1C4 NCM 3.72Ah Rechargeable 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 — 2257 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 06.07.2026 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/3961318/51474433_large.webp