?Cameron Sino Cameron Sino is a brand focusing on sell battery, we aim at supplying high-quality professional battery products. ?Fit Modelr: Oral-B Triumph 4000 ?Part Number: Oral-B 3745, 3761, 3762 ?Notice Before Purchase - Be carefully check the model number of your device and the part number of your original Battery to see if this Battery is compatible with your device. - A new battery will achieve its best performance after 2 or 3 complete cycles of charge discharge. - When you install it, be sure the connector has been properly connected to your device. - Do not use low quality third-party adapter charger to charge your device, that will shorten the battery's life. Caution: 1.Don't disassemble 2.Don't dispose of in fire or water 3.Don't store above 60 ?(140?) ?Contact us If you have any questions or any issues when using our product, please send us a message, we will reply you as soon as possible.[Cameron Sino battery] Email reply within 24 hours-12-month Warranty and 30-day Money Back Guarantee. [Battery High Quality] - Our batteries are made to the exact specifications as same as the original battery. Every battery is with strict spec detection and use testing, absolutely ensure the safe and durable use of the battery Overcharge, over discharge, Replacement, over voltage and short circuit protection for better battery life. The package has shock-shock foam, transport a protection battery. [New Toothbrush battery ]There are many installation videos available on the Internet, which are very easy to install. [Toothbrush Battery Specifications]-Capacity: 2000mAh 2.40Wh,Voltage:1.2,Dimensions:43.15 x 16.95 x 16.70mm,Weight:31.8g, - New fully decoded chip works just like the original. [Battery Compatible] Replacement Battery for Oral-B Triumph 4000 Toothbrush . All batteries are Certificated with ISO9001, RoHS, and CE.