100% compatible replacement for British Telekom batteries
Specifically designed to fit your telephone. See the full compatibilities list.
Guaranteed 650mAh capacity
Unlike many competitors, our cordless phone battery capacities are true, real and guaranteed. This Lithium Ion battery is 650mAh and offers long runtimes with fewer charging breaks - exactly as advertised.
High-performance 3.7V 043048 battery
Our long-life rechargeable replacement batteries for cordless phones, landline, DECT and IP phones deliver consistently high performance that matches or exceeds that of your phone’s original battery - all for a high number of charging cycles.
Superior quality and safety standards
Battery specialists since 2004, all our replacement batteries undergo strict, rigorous testing to fully comply with the highest EU standards and beyond - that’s why they come with a 3-year guarantee.
The sustainable choice
Replace the battery, not your device. It’s the smarter, cheaper, eco-friendlier choice, saving you money while cutting your environmental footprint through recycling.
Choose CELLONIC and never compromise on quality. Order now!
