49mm x 14mm Li-ion Toothbrush Battery

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)


49mm x 14mm Li-ion Replacement Toothbrush Battery for Philips Sonicare and Braun Oral-B Li-ion brushes.


This is a top quality Sony Lithium-ion replacement toothbrush battery fitted with special wire pins to fit the Philips Sonicare and Braun Oral-B ranges of toothbrushes that take Lithium-ion (Li-ion) rechargeable batteries.

The battery is fitted with wire pins thin enough to fit through the holes in the circuit board of your toothbrush, even if the original battery was fitted with flat tags. Just solder it into your Li-ion electric toothbrush to give it a new lease of life.

It is strongly advised that you open up your toothbrush before ordering to double-check the measurements as some models are fitted with different types, lengths and diameters of battery. See our battery replacement guides section for instructions on opening your toothbrush and replacing the battery.

  • Length: 49mm (suitable for replacing 48mm, 49mm, 50mm and 51mm long batteries)
  • Diameter: 14mm
  • Voltage: 3.7V
  • Typical Capacity: 680mAh
  • Chemistry: Li-ion
  • Brand: Sony
  • Replaces original Sony and Sanyo Li-ion batteries
  • Wire pins at both ends for soldering

This battery is compatible with various Li-ion Braun Oral-B toothbrushes, including the Genius 9000, Genius 8000, Smart 6000 and Smart 6 toothbrushes marked as “Type 3765” on the bottom of the handle.

The battery is also compatible with many Sonicare toothbrushes, including the FlexCare, FlexCare Platinum, HealthyWhite, EasyClean, Sonicare For Kids, DiamondClean models and some others. These brushes are marked with the following model numbers:

  • HX6300 series, including HX6310, HX6320, HX6330, HX6380 and others
  • HX6500 series, including HX6510, HX6530 and others
  • HX6700 series, including HX6710, HX6720, HX6730, HX6750, HX6760, HX6780 and others
  • HX6900 series, including HX6910, HX6920, HX6930, HX6950, HX6960 and others
  • HX9100 series, including HX9140, HX9160 and others
  • HX9300 series, including HX9330, HX9340, HX9350, HX9360, HX9370 and others
  • Some other HX models

Not for use in the Elite, Essence, CleanCare, Extreme, Xtreme or PowerUp HX3110 Sonicare toothbrushes.

This battery is suitable for replacing various original Philips Sonicare Lithium-ion batteries including those with some of the following markings, and others:

  • POHC P/N: 4235 010 12152
  • POHC P/N: 4235 010 12531
  • POHC P/N: 4235 010 13068
  • POHC P/N: 4235 010 15351
  • POHC P/N: 4235 010 15352
  • POHC P/N: 4235 010 15362
  • POHC P/N: 4235 010 15612
  • POHC P/N: 4235 010 18491
  • Some other POHC P/N’s starting 4235 010
  • 423501012152
  • 423501012531
  • 423501013068
  • 423501015351
  • 423501015352
  • 423501015362
  • 423501015612
  • 423501018491
  • Some other numbers starting 4235010
  • Battery Mfg: SONY
  • Battery Mfg: SANYO
  • Type: Li-Ion
  • 3.6V
  • 3.7V

Not suitable for replacing NiCd (Ni-Cd/NiCad) or NiMH (Ni-MH) type batteries. See our other products if your toothbrush has one of these batteries fitted.

1 review for 49mm x 14mm Li-ion Toothbrush Battery

  1. Rated 5 out of 5


    Very pleased with the product and service provided. Excellent and easy to follow instructions. Battery fitting was easy and I now have a working toothbrush once again.

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