The original battery lasted about six years. The battery is advertised as OEM replacement, so I'm expecting it to last a similar number of years. The removal and installation instructions are thorough and easy to follow. Trimming the battery tabs, or contacts takes some precision. I would have preferred those to be pre-sized as on other replacement batteries. There are some additional troubleshooting instructions that I didn't need - once reassembled the toothbrush operated as good as new!
Verified purchase: Yes | Condition: New
Battery was the right size. After charging it has lasted over a week, seems stronger than the original. Cannot say how long it will last, but seems great now.
Verified purchase: Yes | Condition: New
I replace the new battery with the old battery over 6 days ago and it's still holding a good strong charge after six days of us twice a day for 5-7 mins each time. I am confident this battery should last me another six years like the original battery did.
Verified purchase: Yes | Condition: New
The contact strips on the battery where the right size and where fastened to the battery in the correct place so the battery was easy to solder in place.
Verified purchase: Yes | Condition: New
Was able to install new battery in tooth brush my daughter gave to my wife. Now my wife has functioning Oral B tooth brush
Verified purchase: Yes | Condition: New
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