Battery Replacement, For Sony SRS-X3 SRS-XB2 SRS-XB20 2600mAh, For Sony SRS-X30/XB3/XB30/XB43 ID659 ID659B 5200mAh, For Sony SRS-X33 ST-03 2700mAh

1. If you do not use the battery for a long time, store it in a cool, dry place and fully charge it once every three months.
2. Replace your broken or unusable item with a new one.
3. Each item has been checked and in good condition before shipping.
4. Fully fit and working.
5. Professional installation is highly recommended. We will not be responsible for any damage to your device that you may cause when replacing replacement parts.
6. Warning:
- To reduce the risk of fire or burns, do not disassemble, crush, short-circuit, or dispose of in fire or water.