# Laptop battery MITSU for Compaq Presario CQ42 CQ62 CQ72, 4400 mAh, 10.8–11.1 V

**URL:** https://aio.lv/en/product--mitsu-bcco-cq42--688620
**Data updated:** 2026-01-13 15:26 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** MITSU
**Manufacturer code:** BC/CO-CQ42
**EAN:** 5902687182909
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mitsu-bcco-cq42--688620

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Rechargeable laptop battery by MITSU compatible with Compaq Presario CQ42, CQ62 and CQ72 models. Capacity 4400 mAh and nominal voltage 10.8–11.1 V provide extended runtime for everyday tasks, web browsing and office applications. Designed as a direct replacement to restore mobile use of the laptop; plug-and-play installation without tools.

## Long description

Rechargeable laptop battery MITSU for Compaq Presario CQ42 CQ62 CQ72 is a replacement power unit designed to restore portable operation of compatible laptops. With a nominal capacity of 4400 mAh and a nominal voltage range of 10.8–11.1 V, the battery provides extended runtime for everyday tasks, web browsing and office applications. The unit is intended as a plug-and-play direct replacement for specified Compaq Presario models and fits into the original battery compartment for tool-free installation.
Advantages
This battery delivers a balance of capacity and compatibility to extend mobile use without modifying the laptop. The rated 4400 mAh capacity supports prolonged operation between charges, while the nominal voltage range matches the original design to ensure stable power delivery. The replacement is designed for simple installation and immediate recognition by the system, restoring typical run times for standard workloads. The construction follows common safety and protection practices for laptop batteries to provide reliable charging and discharging behavior during normal use.
Suitable for
 Compaq Presario CQ42, CQ62 and CQ72 laptops requiring a direct battery replacement
 Everyday office work such as document editing, email and spreadsheets
 Web browsing, video playback at standard resolutions and remote meetings
 Users needing a straightforward, tool-free battery swap to restore mobility
Key specifications
 Capacity: 4400 mAh (nominal)
 Nominal voltage: 10.8–11.1 V
 Chemistry: rechargeable lithium-based cell pack (typical for laptop batteries)
 Form factor: replacement battery sized for Compaq Presario CQ42/CQ62/CQ72 battery compartment
 Installation: tool-free plug-and-play connector compatible with original battery interface
How to use
Before installation, power down the laptop and remove any external power adapter. Slide the original battery release latches and remove the existing battery according to the laptop manufacturer’s instructions. Align the MITSU replacement battery with the battery bay and press it into place until it clicks and the release latches secure it. Connect the AC adapter and allow the battery to charge fully before first use to achieve accurate battery level reporting. After installation the operating system should recognize the battery automatically; verify charge status through system battery indicators.
Usage recommendations
For longer battery life: avoid deep discharges and extreme temperatures, calibrate battery level occasionally by charging to full and discharging to a moderate level, and use the laptop’s power management settings to reduce screen brightness and background processes when running on battery.

## FAQ

### How much does the MITSU laptop battery for Compaq Presario CQ42 CQ62 CQ72 cost, and is it available for purchase?

The price is 24.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 29.06.2026 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. 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 MITSU 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 MITSU 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/688620/51590230_large.webp