300769-003 300769-001 300769-002 300769-004 300770-001 4ICR19/66 Replacement Battery for Bose Sounddock Portable Digital Music System SoundLink Air Series 16.8V 2200mAh/32Wh

Greetings from the LUSONBAY Laptop Battery store. LUSONBAY is a manufacturer specializing in the development and production of notebook batteries and power supplies. All products are subject to strict quality control and are constantly being improved. It is our constant pursuit to provide high-quality products and services for every customer.
Battery Specification:
Capacity: 2200mAh/2.2Ah Voltage:16.8V Battery Type: Li-ion Condition:100% Brand New Cell: Grade "A++" Cell
Battery Replace Part Number:
300769-003, 300769-002, 300769-004, 300769-001, 300770-001, 4ICR19/66.
Compatible With the Laptop Model:
For B0SE SoundLink Portable Digital Music System
Why Choose Us?
Very easy to install.
Offer stronger lasting time.
Good performance A++ cells.
Multiple protection prevents damage to the device.
What's the step to install the battery
1. Remove the battery and the connected small circuit board, please note that the battery small circuit board is connected to the main board and the power amplifier small circuit board at the same time, there are two sockets, at right angles, be careful when pulling out
2. Take out the battery and circuit board, and test the new battery with a multimeter to ensure that the battery can be used normally
3. Remove the old battery, fix the small circuit board, use the tin to protect the solder pad at the solder joint, heat the solder joint, and carefully remove the old battery joint
4. Clean the tin of the four welding holes on the circuit board, insert the new battery into the hole completely by pressing the "-" and "+" electrodes (the red line is the positive electrode), and then weld them one by one, taking care not to touch the two poles of the battery interface to avoid battery short circuit
5. Install the battery back into the machine in the original way, and press the power button to see whether the indicator light is on normally and whether it can be used normally.