2-Pack 3.7V 740mAh Lithium-ion Replacement Batteries Compatible For Oral B IO4/IO5/IO9/IO8/IO10 Electric Toothbrushes - Long-Lasting Power

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  • PERFECT FIT Compatible For Oral B IO4, IO5, IO9, IO8 and IO10 electric toothbrushes are designed with a set of 2 lithium-ion batteries that can be precisely adapted to ensure stable operation of the toothbrush
  • EASY INSTALLATION No professional tools required, just a few simple steps to replace the batteries. Even first-time users can quickly get started and easily restore the power of the electric toothbrush
  • High-quality lithium-ion technology Adopting advanced lithium-ion technology, the battery has stable performance and long service life, and can withstand multiple charging and discharging cycles to maintain efficient power output
  • ECONOMICAL SET The 2-pack battery set is cost-effective. You can always have spare batteries available, even if one is charging, the other can ensure the normal operation of the electric toothbrush

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