This custom built battery pack fits into the existing battery compartment for the Gameboy Advance AGB-001 with only minor modification to the shell.  Easy to install and remove, no soldering required.

The 1500mAh Li-ion battery pack is rechargeable via USB Type-C connection.  Magnetic charge cable included.  

Purchase with the optional custom trimmed battery cover, or modify your own to fit the USB connection.

Includes:

Custom built 1500mAh Li-Ion battery pack

USB Type-C charge cable

Optional Upgrade

Custom Trimmed Battery Cover