DIY Mouse Battery Upgrade for Higher Capacity

Important Notes to Consider During the DIY Process:

1. The most essential tool is the soldering iron.

2. Purchased a 103450-sized battery online.

3. Increased battery capacity from 1000mAh to 2000mAh.

4. Removed the original battery and bracket together and set them aside.

5. The charging chip is 4056.

The main tool required for this process is a soldering iron.

The mouse model is the colorful M618 Deluxe Edition.

Internal structure of the mouse includes the main control chip VS11K29A, and PAW3212 optical sensor.

There are some noticeable scratches on the back of the main board.

The mouse comes with a 1000mAh battery and is fixed with a bracket.

The cover after disassembly.

Comparison of the 2000mAh battery purchased online.

Comparison of the thickness of the two batteries.

Both batteries have protection boards and three wires with temperature protection resistors.

Use the soldering iron to solder the protection board to the new battery.

Use 3M glue to secure the high-capacity battery in place.

Space effect after installing the high-capacity battery.

Use 3M glue to secure the high-capacity battery in place.

Effect after installing the 2000mAh battery.