Replacement Battery compatible with Braun Oral-b Triumph Professional Care Toothbrush, 42 mm L X 17 mm D Reviewhttp://tinyurl.com/kthk664 Replacement Battery compatible with Braun Oral-b Triumph Professional Care Toothbrush, 42 mm L X 17 mm D SANYO rechargeable 2150 mAh Nimh battery with tabs. The battery is 42 mm (1 5/8 inch) long and 17 mm in diameter. Caution: Check the size of your old battery before purchase as Oral-b uses two sizes of battery in this model.The negative tab is off-centered, matching the original for trouble-free and safe insertion.Replacing battery in electric toothbrush requires soldering skill and the seller is not responsible for any damage or injuries that may incur in the process. Read battery replacement instruction to assess the difficulty involved and access the old battery before purchase. Tab trimming using scissors is required. Battery package label, color, and shape of tabs might vary. Bonus: best charging practice in keeping rechargeable battery for longer life is provided.This battery is made in Japan. The tabs are customized in USA. This battery has "HR" engraved at the negative terminal as an anti-counterfeit measure. Battery replacement instruction and toothbrush model reference can be found at http://sites.google.com/site/electoothbrush/We provide battery replacement and handle repair services and offer handle buyback program for most of electric toothbrush models in the market. In addition, we custom make NiCd/NiMH/Li-ION batteries and battery packs. Ask for details.