# Battery pack MITEL 51310679 for 742d DECT handsets, replacement battery for cordless handset

**URL:** https://aio.lv/en/product--mitel-51310679--10943649
**Data updated:** 2026-02-13 15:43 (EET)
**Category:** Office Equipment Accessories
**Manufacturer:** MITEL
**Manufacturer code:** 51310679
**EAN:** 7109806202618
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 163.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 135.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mitel-51310679--10943649

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Replacement battery pack MITEL 51310679 designed for use with 742d DECT handsets. Intended as a direct replacement to restore cordless handset power and enable continued wireless voice communication. Easy to install, it maintains handset portability and uptime for office or home use and ensures compatibility with the specified MITEL model.

## Long description

Replacement battery pack MITEL 51310679 is designed for restoring power to compatible 742d DECT cordless handsets. This compact rechargeable pack provides the necessary voltage and capacity to maintain cordless voice communication, allowing continued use of the handset without affecting its form factor or basic operation. The battery is intended as a direct replacement for the original handset cell module and is suitable for office and home environments where uninterrupted voice connectivity is required.
Advantages
The replacement battery pack offers a straightforward swap-in solution that returns handset runtime and mobility. It fits the original battery compartment and supports the handset's charging and discharge behavior, helping to avoid downtime associated with depleted cells. Installation does not require special tools and the pack is lightweight, preserving handset ergonomics. Using a compatible replacement helps maintain consistent call quality and handset responsiveness.
Suitable for
 Restoring cordless MITEL 742d handset operation
 Replacing aged or failing handset batteries in office environments
 Maintaining handset uptime in home office setups
 Service and maintenance of DECT cordless phone fleets
Key specifications
 Form factor: rechargeable battery pack designed to fit the handset battery compartment
 Compatibility: intended for use with MITEL 742d DECT cordless handsets
 Electrical: provides required voltage and capacity for handset operation (matching original cell output)
 Physical: compact and lightweight to preserve handset ergonomics
 Installation: user-replaceable with no special tools required
How to use
Power down the handset and remove the battery cover following the handset manufacturer's instructions. Take out the depleted battery pack and insert the replacement, ensuring correct polarity and secure seating in the compartment. Reattach the battery cover and charge the handset on its base or charger until fully charged before regular use. After installation, verify handset functionality by making and receiving a test call and checking battery level indications.
Usage recommendations
Charge the handset fully before first use and avoid leaving the battery depleted for extended periods. Use the original charger or a compatible charger specified for the handset to preserve battery life. Replace the battery at signs of noticeably reduced runtime or if the handset shows charging faults. Dispose of the spent battery pack in accordance with local electronic waste and battery recycling regulations.

## FAQ

### How much does the Battery pack MITEL 51310679 for 742d DECT handset cost, and is it available for purchase?

The price is 163.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 22.07.2026 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 MITEL 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 MITEL 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/10943649/61279668_large.webp