Broad Compatibility: This Rechargeable Li-ion toothbrush replacement battery perfectly compatible with Philips Sonicare HX6300 HX6500 HX6700 HX6900 HX9100 HX8900 HX9300 HX9900 series electric toothbrush. You can tell if your model is the above series by looking at the bottom cover.（eg：HX9100 series including HX9120, 9140,9150,9160.etc Perfect Battery Replacement: Our toothbrush batteries are custom-made to match both the quality and design of the original. This high-quality battery has longer pins for easy insertion and perfect fit in the circuit board holes. Replace our battery, you won't have to charge your toothbrush as often. Instead you will enjoy a reborn electric toothbrush! Attention: If the toothbrush isn't responding and not charging at all, it's likely that the circuit board or other components have been damaged. Simply changing the battery won't fix the issue. We recommend seeking professional repair services for a lasting solution Complete Disassemble Tools: Our technicians have developed a quick and safe way to remove the toothbrush bottom cover, and we provide a complete set of disassembly tools used in the installation video, so you can save your toothbrush without wasting money on an air compressor Tips：Please Refer To the installation guide

Applicable Models:
HX6300 Series: HX6310/HX6320/HX6340 
HX6500 Series: HX6511/HX6530 
HX6700 Series: HX6710/HX6720/HX6730/HX6750/HX6760 
HX6900 Series: HX6910/HX6920/HX6930/HX6950/HX6960/HX6970/HX6980 
HX8900 Series: HX8910/HX8920/HX8911/HX8962 
HX9100 Series: HX9112/HX9120/HX9140/HX9141/HX9150/HX9160/HX9172/HX9182/HX9192 
HX9300 Series: HX9340/HX9350/HX9360/HX9370/HX938B/HX939P/HX939B/HX939V/HX939W 
HX9900 Series: HX992x/HX993x/HX9957/HX9957/HX9903/HX9924/HX9954/HX9984
HX number is marked on the bottom of your toothbrush handle. If your handle shows numbers as HX9120/02, they belongs to HX9100 series

What You Get：
1 x Rechargeable battery replacement for Sonicare parts
1 x Tin wire 
1 x Shaft rubber seal 
1 x Set of Disassemble Tools（1  x Custom-made Spudger + 2 xTriangle Pick Openers）
  
Capacity：800 mAh (The most accurate capacity, higher or lower capacity will damage the toothbrush)
Voltage: 3.7 V
Tab length:  0.59 IN（When soldering the HX6300 HX6500 HX6700 HX6900 HX9300 series, if the board contacts are too short, after soldering we should cut off the excess parts）
If your toothbrush is not responding and not charging at all, it means that the PCB or motor of the toothbrush is damaged and replacing the batteries will not help. This is due to the deterioration of the rubber seal which allows water to seep into the handle and further damage the internal structure.（We recommend that you replace the rubber seal every 3 months）