DGTECH 300769-003 Black Battery Replacement for Bose Sounddock Portable Digital Music System SoundLink Air 300769-001 300769-002 300769-004 300770-001 Series 4ICR19/66 (16.8V 32WH/2200MAH)
Instructions for use: Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety.About 500 recharge cycles over the life. Do not disassemble, crush or puncture. Do not dispose of in fire or water. If you remove battery for a long time, charge more than 80% at least one time within one months. When using the battery, care should be taken to prevent exposure and moisture.