Sanyo UR14500AC Battery 3.7v Li-Ion Flat-Top IO4 IO5 IO6 IO7 IO8 IO9 Replacement (2 Pack)

Sanyo UR14500AC 3.7V Li-Ion Flat-Top Replacement Battery (2-Pack) Optimized for Oral-B iO Series 4, 5, 6, 7, 8, 9, 10 & Select Braun Devices Revive your high-end electric toothbrush with a premium, genuine replacement battery. This 2-piece set of authentic Sanyo UR14500AC Lithium-Ion cells is the perfect solution for restoring the factory runtime of your Oral-B iO series toothbrush or compatible Braun appliance. 🔍 Is This the Right Battery for Your Device? Before purchasing, please verify your device's compatibility. Check the bottom of your toothbrush handle for the Type Number. Exact Fit Compatibility: Oral-B iO Series Handles: iO4, iO5, iO6, iO7, iO8, iO9, iO10 Oral-B iO "N" Models: 6N, 7N, 8N, 9N Braun Type Numbers: 3753, 3758, 3776, 3794 💡 Need a different size? Many Braun products use this exact UR14500AC cell, while others require the larger UR18500Y size. If your original battery is larger than the dimensions below, please check our other store listings for the UR18500Y. 📐 Technical Specifications Brand: Sanyo (Genuine OEM) Model: UR14500AC Chemistry: Lithium-Ion (Li-Ion) / Rechargeable Terminal Type: Flat-Top Voltage: 3.7V Rated Capacity: 740mAh (Tested capacity frequently reaches up to 800mAh) Dimensions: 14mm Diameter × 49mm Length (Standard 14500 Size) Package Includes: Two (2) individual cells 🛠️ Important Information for DIY Repair Replacing your toothbrush battery is a fantastic, eco-friendly way to save money, but it does require mechanical care. Diagnose First: Please ensure your toothbrush handle isn't suffering from motherboard water damage or a broken charging coil before ordering. If the device's internal circuit board is dead, a new battery will not fix it. Visual Check: Always match your old battery’s physical dimensions and flat-top shape to our product images before purchasing. How-To Guides: Detailed, step-by-step DIY cell replacement tutorials are readily available on YouTube by searching your specific Oral-B model number. ⚠️ Safety & Soldering Disclaimer: Some Oral-B models require soldering to install replacement cells. Please ensure you have the proper tools, safety equipment, and technical skills required to complete the repair. By purchasing, you accept full responsibility for your own safety, the repair process, and the handling of lithium-ion cells.