# Replacement Battery Pack for Mitel 5613/03/DT390 (MPN 51015431)

**URL:** https://aio.lv/en/product--mitel-51015431--4813255
**Data updated:** 2026-02-12 14:14 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** MITEL
**Manufacturer code:** 51015431
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 35.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mitel-51015431--4813255

## 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

Replacement battery pack compatible with Mitel 5613/03 and DT390 handsets, model MPN 51015431. Designed as a direct spare part for restoring portable phone power, it provides reliable backup for voice calls and handset operation. Suitable for office or enterprise VoIP environments where Mitel handsets are used, enabling quick replacement and minimal downtime.

## Long description

Replacement Battery Pack for Mitel 5613/03/DT390 is a compatible spare battery designed to restore portable power to Mitel handsets used in office and enterprise VoIP environments. This replacement unit fits Mitel 5613/03 and DT390 models and is intended to return handset functionality quickly after battery failure or depletion, supporting reliable voice calls and everyday handset operation.
Advantages
The battery pack offers a direct-fit replacement that reduces handset downtime and eliminates the need for prolonged service interruptions. Its construction supports stable power delivery for voice communication and typical handset features, and it is suitable for quick swap-outs by IT staff or maintenance personnel. The design aims for consistent contact alignment and safe charging behavior when used with compatible Mitel charging bases and handsets.
Suitable for
 Replacing depleted battery packs in Mitel 5613/03 and DT390 handsets
 Office and enterprise VoIP phone deployments
 IT maintenance kits for on-site handset repairs
 Facilities requiring fast handset turnaround to minimise downtime
Key specifications
 Compatibility: Designed for Mitel 5613/03 and DT390 handsets
 Form factor: Rechargeable sealed battery pack suitable for handset battery compartment
 Intended use: Voice call support and handset operation backup power
 Installation: User-replaceable with standard handset battery removal procedure
How to use
Power down the handset if recommended by your device documentation, remove the cover and the depleted battery, and insert the replacement battery pack following the handset manufacturer’s orientation markers. Reattach the cover and place the handset in a compatible charger or charging base until the battery reaches full charge according to the handset indicators. Verify normal operation by checking handset power-up, call functionality and battery level display.
Usage recommendations
Use original charging accessories or approved equivalents and observe proper disposal or recycling procedures for the removed battery. Avoid exposing the battery pack to excessive heat or liquids and follow the handset manufacturer’s safety instructions for charging cycles and storage to extend battery life.

## FAQ

### How much does the Battery Pack Mitel 5613/03 DT390 MPN 51015431 cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 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/4813255/68656562_large.webp