# Battery for HP Smart Array 641/642, NiMH 500 mAh, black - HP 274779-001

**URL:** https://aio.lv/en/product--hp-274779-001--11829397
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** 274779-001
**EAN:** 5715063255414
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 133.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 110.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-274779-001--11829397

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Replacement battery for HP Smart Array 641/642 server controllers. HP part 274779-001 is a Nickel‑Metal Hydride (NiMH) rechargeable pack with 500 mAh capacity and black housing. Designed to restore cache backup and maintain data integrity in RAID controller modules. Suitable for service, repair and preventive maintenance of compatible HP systems.

## Long description

Replacement battery for HP Smart Array 641/642 server controllers. This 3.6V Nickel‑Metal Hydride (NiMH) pack restores cache backup functionality and helps preserve data integrity in RAID controller modules. The black, compact battery is intended for service, repair and preventive maintenance of compatible HP systems and fits directly into the designated battery slot of Smart Array 641 and 642 controllers.
Advantages
The NiMH chemistry provides reliable rechargeable performance and a rated capacity of 500 mAh suitable for maintaining short-term cache retention. Designed as a direct replacement for the original HP unit, the battery ensures correct voltage and form factor to minimise installation complexity and downtime. Black housing offers a neutral appearance that matches server hardware aesthetics and the pack is intended for use in controlled server environments.
Suitable for
Restoring cache backup on HP Smart Array 641 controllers
Restoring cache backup on HP Smart Array 642 controllers
Server maintenance, repair and component replacement tasks
Preventive maintenance to ensure RAID cache data protection
Key specifications
Battery technology: Nickel‑Metal Hydride (NiMH)
Nominal voltage: 3.6 V
Rated capacity: 500 mAh
Colour: Black
Form factor: Rechargeable battery pack for Smart Array controller slot
How to use
Power down the server and follow the controller manufacturer’s service instructions before replacing the battery. Remove the controller from the server if required, replace the depleted pack with the new NiMH battery ensuring correct orientation and secure seating in the connector. After installation, reconnect the controller and power up the system to allow the RAID controller to detect the new battery and initialise cache backup functions according to the controller firmware procedures.
Usage recommendations
Store and operate the battery in a temperature-controlled environment, avoid extended exposure to high temperatures or humidity, and follow HP service manuals for charging, disposal and replacement intervals. Use this pack only for the specified Smart Array 641 and 642 controllers to ensure compatibility with cache backup and data integrity features.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Compatible products | HP Smart Array 641/642 |
| Battery technology | Nickel-Metal Hydride (NiMH) |
| Battery capacity | 500 mAh |
| Battery voltage | 3.6 V |
| Number of batteries included | 1 pc(s) |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |

## FAQ

### How much does the HP 274779-001 battery for Smart Array 641/642 cost, and is it available for purchase?

The price is 133.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 28.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can HP 274779-001 battery for Smart Array 641/642 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: compatible products, battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11829397/67285016_large.webp