# Replacement battery TelForceOne for Apple Watch Series 1 42mm A1554 A1579 246mAh

**URL:** https://aio.lv/en/product--telforceone-oem101170--11847131
**Data updated:** 2026-04-28 16:33 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** TelForceOne
**Manufacturer code:** OEM101170
**EAN:** 5900495048004
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--telforceone-oem101170--11847131

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Internal replacement battery TelForceOne designed for Apple Watch Series 1 42mm models A1554 and A1579. Nominal capacity 246 mAh; intended to restore run time and replace worn original cells. Compatible with the specified 42mm Series 1 housings and connectors. Suitable for repair shops and DIY replacements when replacing a degraded smartwatch battery.

## Long description

Replacement battery TelForceOne for Apple Watch Series 1 42mm A1554 A1579 246mAh is an internal rechargeable cell designed to restore operating time for compatible 42mm Apple Watch Series 1 devices. The battery matches the form factor and connector layout of the original cell used in the specified models, allowing restoration of device autonomy after the original battery has degraded. It is intended for repair technicians and experienced end users performing battery replacement on the smartwatch.
Advantages
The TelForceOne replacement battery offers a nominal capacity of 246 mAh to approach the original runtime of the watch. It is manufactured to fit the 42mm Series 1 housing and to interface with the original connector positions, enabling a straightforward swap when performed with appropriate tools and care. The cell is suitable for restoring battery life without requiring replacement of other components.
Suitable for
Repair shops performing smartwatch battery replacements
Experienced DIY technicians replacing the internal battery of Apple Watch Series 1 42mm
Refurbishment of used 42mm Series 1 watches to recover usable runtime
Key specifications
Battery chemistry: lithium-ion rechargeable cell
Nominal capacity: 246 mAh
Compatibility: Apple Watch Series 1 42mm models with corresponding connector layout
Physical form: internal flat cell designed for smartwatch installation
How to use
Power down the Apple Watch and carefully separate the display from the housing following manufacturer guidance or a professional repair guide. Disconnect the old battery connector and remove any adhesive or brackets securing the original cell. Install the TelForceOne replacement in the correct orientation, reconnect the battery connector, and reassemble the display and housing using appropriate seals or adhesive. Verify function and charge the watch before completing the repair. Use anti-static precautions and appropriate screwdrivers and pry tools to avoid damage.
Usage recommendations
Use this replacement battery only in the specified Apple Watch Series 1 42mm models. If uncertain about the repair, consult a professional technician. Dispose of the removed battery in accordance with local battery recycling regulations.

## FAQ

### How much does the TelForceOne battery for Apple Watch Series 1 42mm A1554 cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 02.07.2026 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, 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 TelForceOne 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 TelForceOne 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/11847131/68520137_large.webp