---
product_id: 256972932
title: "CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V)"
brand: "cellonic"
price: "€ 55.64"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/256972932-cellonic-landline-battery-compatible-with-aastra-612d-622d-610d-620d
store_origin: FI
region: Finland
---

# 3.7V stable Lithium-Ion energy 800mAh high-capacity power Wide Aastra model compatibility CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V)

**Brand:** cellonic
**Price:** € 55.64
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your calls, not your worries!

## Quick Answers

- **What is this?** CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) by cellonic
- **How much does it cost?** € 55.64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/256972932-cellonic-landline-battery-compatible-with-aastra-612d-622d-610d-620d)

## Best For

- cellonic enthusiasts

## Why This Product

- Trusted cellonic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Power:** Premium Lithium-Ion cells deliver extended call time and fewer charges
- • **Cost-Effective Upgrade:** Extend your phone’s life without the premium price tag of originals
- • **Seamless Compatibility:** Fits Aastra 610d, 612d, 620d & more for hassle-free replacement
- • **Backup Battery Essential:** Minimize downtime with a dependable spare for uninterrupted communication
- • **Reliable German Engineering:** Tested to strict standards ensuring durability and consistent performance

## Overview

The CELLONIC Landline Battery is a high-capacity 800mAh, 3.7V Lithium-Ion replacement battery compatible with multiple Aastra models. Engineered under strict German quality standards, it offers reliable, long-lasting performance as a cost-effective alternative to original batteries, ensuring extended device lifespan and minimized downtime.

## Description

Full description not available

## Features

- Perfect Fit & Wide Compatibility – Replacement battery designed for seamless compatible with Aastra 610d, 612d, 620d, 600d. Check the full list of compatibility in our product description
- Premium Performance & Long Battery Life – High-quality Lithium Ion cells provide stable, long-lasting power. Ideal as a replacement or backup battery, minimizing charging breaks and ensuring extended call time
- High-Capacity – 800mAhrechargeable battery delivering efficient and durable power. Rigorously tested to ensure excellent performance, extended lifespan, and consistent reliability
- Engineered for Reliability – Tested under strict German standards for durability and efficiency. A cost-effective alternative to original batteries, delivering strong performance without the premium price
- Smart & Cost-Effective Choice – Replacing the battery extends your device’s lifespan and reduces downtime. A reliable alternative to avoid full replacement costs while ensuring continued performance

## Product Details

- **Brand:** CELLONIC
- **Battery cell composition:** Lithium Ion
- **Battery capacity:** 800 Milliampere Hour (mAh)
- **Recommended uses for product:** Cordless,Landline
- **Unit count:** 1.0 Count

## Images

![CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) - Image 1](https://m.media-amazon.com/images/I/61ZwIocabHL.jpg)
![CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) - Image 2](https://m.media-amazon.com/images/I/81yu7oftweL.jpg)
![CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) - Image 3](https://m.media-amazon.com/images/I/81BCY75OVBL.jpg)
![CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) - Image 4](https://m.media-amazon.com/images/I/71bnOgIK4uL.jpg)
![CELLONIC, Landline Battery, compatible with Aastra 612d, 622d, 610d, 620d, 632d, 650c (800mAh, 3.7V) - Image 5](https://m.media-amazon.com/images/I/71vLGTtzURL.jpg)

## Questions & Answers

**Q: Are CELLONIC batteries safe?**
A: Yes, we use premium-grade cells with built-in protection against over-voltage, short-circuits and overheating. Every battery pack is tested several times before it ships, ensuring reliable, smooth performance.

**Q: Is this battery compatible with my device?**
A: Match the model or part-number in our “Compatible with” list. If your device appears there, the battery fits perfectly—no adapters needed.

**Q: Can I replace the battery myself?**
A: Depending on the battery type, it will either simply fit in or require only basic tools and care. If the original is glued or soldered in, or you're not confident in changing it yourself, we recommend using a professional to avoid any damage.

**Q: Can I use a higher- or lower-capacity battery than the original that came with my device?**
A: Yes - as long as voltage and model compatibility match. Higher capacities deliver longer runtimes, lower capacities works the same but may run shorter.

**Q: Why choose CELLONIC over original, branded batteries?**
A: CELLONIC replacement batteries offer reliable performance at a lower cost. Our batteries meet the highest standards, ensuring safe, long-lasting power, the same if not better than your original.

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**Shop now:** [https://www.desertcart.fi/products/256972932-cellonic-landline-battery-compatible-with-aastra-612d-622d-610d-620d](https://www.desertcart.fi/products/256972932-cellonic-landline-battery-compatible-with-aastra-612d-622d-610d-620d)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-14*