# Laptop battery HP HPI RR04058 3.82Ah (3820mAh) compatible replacement

**URL:** https://aio.lv/en/product--hp-778973-800--1540576
**Data updated:** 2026-02-12 09:43 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** HP
**Manufacturer code:** 778973-800
**EAN:** 5711783782766
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 32.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-778973-800--1540576

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Rechargeable laptop battery HP HPI RR04058 with rated capacity 3.82Ah (3820mAh). Designed as a replacement battery for compatible HP notebook models, it provides portable power for mobile work, travel, and everyday use. Use for restoring runtime, maintaining productivity on the go, and reducing downtime; follow manufacturer guidelines for installation and charging.

## Long description

Rechargeable laptop battery HP HPI RR04058 3.82Ah (3820mAh) compatible replacement is a sealed lithium-ion battery designed to restore portable power to compatible HP notebook models. It delivers the rated 3.82Ah capacity to extend runtime for everyday tasks such as document editing, web browsing and light multimedia, and serves as a replacement for worn or degraded original batteries. The product is intended for users who need reliable mobile power for work, study or travel and who follow safe installation and charging practices.
Advantages
This replacement battery offers a compact form factor and standardized voltage characteristics that match compatible HP notebooks, enabling straightforward installation and consistent power delivery. The battery provides the specified 3820 mAh capacity to help recover usable runtime, reduce interruptions due to low charge and maintain productivity away from mains power. As a sealed lithium-ion unit it benefits from low self-discharge and predictable charge cycles when used with the notebook's original charging circuitry.
Suitable for
 Replacing a worn or failing battery in compatible HP notebook models
 Extending battery runtime during travel and remote work
 Maintaining productivity for office tasks, studying and light multimedia
 Keeping a spare battery for situations with limited access to power outlets
Key specifications
 Battery chemistry: lithium-ion
 Rated capacity: 3.82 Ah (3820 mAh)
 Cell configuration: multi-cell pack (sealed)
 Typical use: laptop/notebook power supply
 Operating temperature range: follow notebook manufacturer guidelines
How to use
Power off the notebook and disconnect any external power source before replacing the battery. Remove the service cover or battery latch according to the notebook's user manual, remove the existing battery and install the replacement pack ensuring correct alignment of contacts. Reassemble the device, connect the external charger and allow the battery to charge fully before first use. Use the notebook's battery management settings to monitor charge level and health.
Usage recommendations
For safe operation and optimal lifetime, use the battery with compatible HP notebook models only, follow the device manufacturer's installation and charging instructions, avoid exposing the battery to high temperatures or moisture, and recycle the battery according to local regulations when it reaches end of life.

## FAQ

### How much does the HP laptop battery RR04058 3.82Ah cost, and is it available for purchase?

The price is 39.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 15.07.2026 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. 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/1540576/47658330_large.webp