Before purchase, read battery replacement instruction and access the old battery to assess the skills required. Bonus: best charging practice in keeping battery for a longer life is provided. Some models are known to have issue with the battery indicator not operating properly after installing a new battery. As a bonus, instruction on solving it is provided. Battery is fully tested before shipping. Replacing battery in electric toothbrush requires soldering skill. Battery is made in Japan. Pins are assembled in USA. This battery has "HR" engraved at the negative terminal. Fits Philips Sonicare Elite models: HX7300 HX7400 HX7500 HX7800 HX9500. Long pins allow easy and safe insertion through the circuit board holes in the tight battery compartment. Brand new FDK (Formerly SANYO) OEM rechargeable 2150 mAh Nimh battery with pins. Cell Size: 42mm Long x 17mm Diameter.

Best Sellers Rank: See Top 100 in Health & Household. Unit Count: 1.0 Count. Recommended Uses For Product: Toothbrush. Battery Cell Composition: NiMH. Brand: E Toothbrush Care. Number of Batteries: 1 A batteries required. : B00H3PDCDM. Manufacturer: E Toothbrush Care. Date First Available: December 4, 2013. Batteries: 1 A batteries required. (included). Package Dimensions: 2.3 x 1.5 x 0.7 inches; 0.81 Ounces. Is Discontinued By Manufacturer: No.