# Battery AVACOM for Siemens C55 / S55 Li-Ion 3.6V 850mAh

**URL:** https://aio.lv/en/product--avacom-gssi-c55-s850--10508371
**Data updated:** 2026-02-12 21:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** AVACOM
**Manufacturer code:** GSSI-C55-S850
**EAN:** 8591849073079
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--avacom-gssi-c55-s850--10508371

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Rechargeable AVACOM Li‑Ion battery compatible with Siemens C55 and S55 mobile phones. Rated 3.6 V and 850 mAh capacity, designed as a direct replacement to restore device runtime. Suitable for users needing a spare or replacement cell to recover battery life for calls, messaging and basic phone functions. Compact form for easy installation.

## Long description

Rechargeable AVACOM Li‑Ion battery compatible with Siemens C55 and S55 mobile phones. Rated 3.6 V and 850 mAh capacity, this compact replacement battery restores device runtime for calling, messaging and basic phone functions. The battery is designed to match the original pack dimensions and contact layout for simple installation and reliable electrical connection.
Advantages
This AVACOM battery provides a direct replacement for worn or faulty cells, returning usable battery life without requiring device modification. Its Li‑Ion chemistry offers stable voltage output and relatively low self-discharge compared with older rechargeable types. The compact size and standard contact arrangement make installation straightforward, while the 850 mAh capacity supports typical usage patterns of classic Siemens C55 and S55 phones.
Suitable for
Replacement of depleted or damaged batteries in Siemens C55 and S55 handsets
Keeping a spare battery for extended mobile use away from mains charging
Restoring basic phone functionality for voice calls and SMS
Use in vintage or legacy phone repair and refurbishment
Key specifications
Battery type: Lithium‑ion (Li‑Ion)
Nominal voltage: 3.6 V
Rated capacity: 850 mAh
Form factor: compact pack sized for Siemens C55 / S55
Typical applications: basic mobile phone power source
How to use
Power the phone off, open the battery compartment and remove the old battery. Align the replacement AVACOM battery contacts with the handset contacts and insert the battery until it sits securely. Close the compartment and charge the phone using the original charger until the battery reaches full charge. After installation, allow a complete charge/discharge cycle for the battery gauge to recalibrate if necessary.
Usage recommendations
Store the battery at moderate temperatures and avoid prolonged exposure to high heat or humidity. Use the original or compatible chargers rated for the device to maintain battery health. Dispose of the battery according to local electronic waste regulations.

## FAQ

### How much does the Battery AVACOM Siemens C55 S55 Li-Ion 3.6V 850mAh cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 13.07.2026 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 AVACOM 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 AVACOM 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/10508371/52630934_large.webp