These 14500CY UR14500AC flat head batteries are perfectly ，Compatible with Braun Oral-B Pro 2 (Type 3766), iO4-iO9, 3768, and 3769 electric toothbrushes
Designed as reliable replacements, they deliver stable power to keep your electric toothbrush running smoothly for daily use
Flat head design ensures easy installation, fitting seamlessly into your electric toothbrush without extra adjustments
Each pack includes 2 batteries, providing a convenient backup for your Pro 2 or iO series electric toothbrush
Made with durable materials, these batteries offer long-lasting performance to maintain your electric toothbrush’s functionality
