

It is strongly advised that you open up your iO Series toothbrush before ordering to double-check the measurements as some models are fitted with different types, lengths and diameters of battery.
This replacement battery is only compatible with the solderless iO Series toothbrushes, comprising the ‘Series’ iO3, iO4, iO5, iO6, iO7, iO8, iO9 and iO10 models, but not the iO2. It must be inserted with the same polarity (+/-) as the original battery. It is suggested that you photograph your original battery in-situ before removing it.

This High-density battery is compatible with the Braun Oral-B iO series of toothbrushes, including the iO3, iO4, iO5, iO6, iO7, iO8, iO9, iO10, 6N, 7N, 8N and 9N models which have Type numbers 3753, 3758, 3768, 3769, 3776, 3794, 3795 or 3796 marked on the bottom of the handle. It must be inserted with the same polarity (+/-) as the original battery. It is suggested that you photograph your original battery in-situ before removing it.
Not suitable for replacing the iO2 model’s 3.2V (yellow/orange) battery, NiCd (Ni-Cd/NiCad) or NiMH (Ni-MH) batteries.

Length: 49mm (suitable for replacing 48mm, 49mm, 50mm and 51mm long batteries)
Diameter: 14mm
Voltage: Suitable as replacement for 3.6V or 3.7V batteries
Capacity: 1250mAh
Flat contact at both ends – observe correct polarity!


It is strongly advised that you open up your iO Series toothbrush before ordering to double-check the measurements as some models are fitted with different types, lengths and diameters of battery.
This replacement battery is only compatible with the solderless iO Series toothbrushes, comprising the ‘Series’ iO3, iO4, iO5, iO6, iO7, iO8, iO9 and iO10 models, but not the iO2. It must be inserted with the same polarity (+/-) as the original battery. It is suggested that you photograph your original battery in-situ before removing it.

This High-density battery is compatible with the Braun Oral-B iO series of toothbrushes, including the iO3, iO4, iO5, iO6, iO7, iO8, iO9, iO10, 6N, 7N, 8N and 9N models which have Type numbers 3753, 3758, 3768, 3769, 3776, 3794, 3795 or 3796 marked on the bottom of the handle. It must be inserted with the same polarity (+/-) as the original battery. It is suggested that you photograph your original battery in-situ before removing it.
Not suitable for replacing the iO2 model’s 3.2V (yellow/orange) battery, NiCd (Ni-Cd/NiCad) or NiMH (Ni-MH) batteries.

Length: 49mm (suitable for replacing 48mm, 49mm, 50mm and 51mm long batteries)
Diameter: 14mm
Voltage: Suitable as replacement for 3.6V or 3.7V batteries
Capacity: 1250mAh
Flat contact at both ends – observe correct polarity!













