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refresh function for Ni-MH
soldering the power lead directly onto the nickel tabs is highly recommended
7V Li-ion (including 21700 protected cells)
Balancing Current: 53mA
Philips HQ8290
Compatible upgraded battery for Oral B 8N, 9N, iO3, iO4, iO5, iO6, iO7, iO8, iO9, iO10 li-ion bms refresh function for Ni-MHThis is an upgraded rechargeable 3. 7V Li ion battery with 35% more capacity than the original battery and is an ideal replacement for Braun Oral B electric toothbrushes Type 3753, Type 3758, Type 3776, and Type 3794 models. Before making your purchase, kindly verify the compatibility of this battery with your toothbrush. Check the TYPE NUMBER and MODEL NUMBER on your Braun Oral B toothbrush. This battery is suitable for the following Braun Oral B
