Compatible with Oral-B IO Series, 3.7V 740mAh Rechargeable Battery for IO4 IO5 IO6 IO7 IO8 IO9 IO10, Fit Type 3766 3768 3769 3753 3758 Electric Toothbrush

Compatible models: Compatible with iO Series models iO4, iO5, iO6, iO7, iO8, iO9, iO10. Fits battery types 3766, 3768, 3769, 3753, and 3758.
Material characteristics: Features a high-quality 3.7V 740mAh lithium-ion rechargeable cell, ensuring stable power output and extended cycle life.
Problem solving: Solves the problem of a short battery life or a completely dead iO toothbrush, saving you the cost and hassle of replacing the entire unit.
Functional and Value Advantages: Restores your electric toothbrush to its original performance. The convenient 2-pack offers excellent value and ensures you always have a fully charged backup ready, guaranteeing your oral care routine is never skipped.

• Compatible with Oral-B iO Series​ – Provides a reliable, high-capacity 740mAh rechargeable battery​ to restore your toothbrush's full runtime, eliminating frequent charging worries.
• Precise Fit for Models iO4 to iO10​ – This replacement battery​ is engineered to seamlessly fit multiple models including types 3766, 3768, 3769, 3753, and 3758, ensuring perfect compatibility.
• Cost-Effective 2-Pack Solution​ – Get two high-performance lithium-ion batteries​ for your electric toothbrush, a smarter alternative to purchasing expensive single replacements.
• Maintain Uninterrupted Oral Care​ – With our long-lasting rechargeable battery for iO, you can ensure your dental routine is never interrupted by a dead toothbrush.
• Easy Swap & Enhanced Performance​ – Easily replace your old, worn-out iO battery​ with our 3.7V battery​ to regain strong, consistent brushing power for a cleaner feel.