# Replacement Battery FRITZ for Fritz!Fon X6 model 312BAT030, Li-ion cordless phone battery

**URL:** https://aio.lv/en/product--fritz-312bat030--12368331
**Data updated:** 2026-04-26 20:42 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** FRITZ
**Manufacturer code:** 312BAT030
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fritz-312bat030--12368331

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

Replacement Li‑ion battery for the Fritz!Fon X6 cordless phone (model 312BAT030) by FRITZ. Designed to restore original runtime and reliable power for calls, standby and handset functions. Ideal for replacing worn or degraded batteries in home or small office DECT handsets to ensure consistent battery performance and phone availability.

## Long description

Replacement Li‑ion battery designed for the Fritz!Fon X6 cordless phone. This FRITZ battery restores original runtime and provides stable power for calls, standby and handset functions, matching the form factor and connector of the Fritz!Fon X6 to ensure a direct fit and reliable operation.
Advantages
The FRITZ replacement battery delivers the expected voltage and capacity characteristics of a Li‑ion cell suited for consumer DECT handsets, offering consistent discharge behavior, low self‑discharge and a compact, lightweight design that maintains the handset’s ergonomics. It is made to replace worn or degraded cells, restoring usable talk and standby time without requiring changes to the handset.
Suitable for
Replacing an aging or failing battery in a Fritz!Fon X6 cordless handset
Maintaining reliable power for daily home or small office phone use
Restoring handset availability after noticeable runtime reduction
When it may not be suitable
This replacement battery is intended specifically for the Fritz!Fon X6 form factor and connector. It may not be compatible with other cordless handset models or brands that use different shapes, contact arrangements or voltage requirements. If the handset has physical damage to the battery compartment, connectors or charging contacts, installing a new battery may not resolve charging issues.
Key specifications
Chemistry: Lithium‑ion (Li‑ion)
Function: Rechargeable handset battery for cordless phone use
Compatible device type: DECT cordless handset matching the Fritz!Fon X6 battery bay
Typical performance: Restores original talk and standby characteristics typical for the handset design
Physical design: Compact cell assembly sized to the Fritz!Fon X6 battery compartment
How to use
Power the handset off, remove the battery compartment cover and extract the old battery. Insert the replacement FRITZ Li‑ion battery in the correct orientation, ensuring contacts align with the handset terminals, then replace the compartment cover. Place the handset on its charger and allow a full charge cycle before normal use to calibrate charge indicators and achieve optimal runtime. Follow the handset manufacturer’s instructions for battery handling and initial charging.
What to consider before purchase
Confirm physical compatibility with the Fritz!Fon X6 battery compartment and contact layout
Ensure the replacement chemistry (Li‑ion) matches the handset requirements
Check handset condition—damaged connectors or charging circuitry may require repair instead of battery replacement
Usage recommendations
Charge fully before first use, avoid prolonged exposure to high temperatures, and store in a cool, dry place if not used for extended periods. Replace the battery at the first sign of significantly reduced talk or standby time to maintain reliable cordless phone availability.

## FAQ

### How much does the FRITZ Replacement Battery 312BAT030 for Fritz!Fon X6 cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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 27.07.2026 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 FRITZ 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 FRITZ 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