# Rechargeable Lithium-Ion Watch Battery BIG MOBX-IWATCH5-44MM-05 296 mAh 3.814 V for 44mm models

**URL:** https://aio.lv/en/product--big-mobx-iwatch5-44mm-05--11847035
**Data updated:** 2026-04-28 16:23 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** BIG
**Manufacturer code:** MOBX-IWATCH5-44MM-05
**EAN:** 5704174843283
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--big-mobx-iwatch5-44mm-05--11847035

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

Replacement rechargeable Lithium‑Ion (Li‑Ion) battery BIG MOBX-IWATCH5-44MM-05 designed for 44 mm smartwatches. Single cell unit with 296 mAh (1.129 Wh) capacity and nominal voltage 3.814 V. Compact black battery intended for battery swaps and repairs to restore device runtime. Supplied as one piece for wearable power replacement and maintenance.

## Long description

Replacement rechargeable Lithium‑Ion battery BIG MOBX-IWATCH5-44MM-05 is designed for 44 mm smartwatches and provides a compact power solution for wearable repairs and battery swaps. This single-cell unit offers 296 mAh (1.129 Wh) capacity and a nominal voltage of 3.814 V, supplied as one piece in black finish. The battery restores device runtime for compatible 44 mm models and is intended for use by technicians or users performing battery replacement to extend the service life of the smartwatch.
Advantages
The BIG MOBX-IWATCH5-44MM-05 battery is a direct replacement cell with specifications matched to common 44 mm smartwatch power requirements, enabling straightforward restoration of runtime without changing device charging behavior. As a lithium‑ion cell, it delivers stable nominal voltage and predictable discharge characteristics. The compact form and single-piece supply simplifies installation for repairs and maintenance, while quality control and warranty coverage provide assurance of reliability.
Suitable for
44 mm smartwatches requiring a single-cell 296 mAh Li‑Ion replacement
Battery swaps and internal repairs to restore device runtime
Device maintenance to extend service life and delay full device replacement
Key specifications
Chemistry: Lithium‑Ion (Li‑Ion)
Capacity: 296 mAh (1.129 Wh)
Nominal voltage: 3.814 V
Cell configuration: single cell unit
Color: black
Quantity supplied: 1 piece
Compatibility: designed for 44 mm smartwatch models
How to use
Before installation, power off the smartwatch and follow the manufacturer’s disassembly instructions or service guide. Remove the existing battery using appropriate tools and electrostatic precautions, then install the BIG MOBX-IWATCH5-44MM-05 cell in the same orientation and connector position as the original. Reassemble the device and perform a full charge cycle before normal use to allow the battery management system to calibrate. If unsure about disassembly or connector handling, seek professional repair service to avoid damage.
Usage recommendations
Use this replacement battery only in compatible 44 mm smartwatches and follow safety guidelines for lithium‑ion cells: avoid puncture, exposure to high temperatures, or short circuits. Dispose of the old battery in accordance with local electronic waste regulations and charge with the device’s original charger or a compatible charger recommended by the device manufacturer.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Compatible products | S5/SE,A2181 |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 296 mAh |
| Battery voltage | 3.814 V |
| Battery capacity | 1.129 Wh |
| Number of batteries included | 1 pc(s) |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Brand compatibility | Apple |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.2 kg |
| Height | 74 mm |
| Width | 42 mm |
| Depth | 22 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 300 g |
| Package depth | 74 mm |
| Package height | 74 mm |
| Package width | 42 mm |

## FAQ

### How much does the BIG MOBX-IWATCH5-44MM-05 Li-Ion 296 mAh watch battery 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 — 1 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 03.08.2026 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 BIG 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 BIG 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, weight, 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/11847035/67269993_large.webp