The expansion board is compatible with both the LoPy and the WiPy.

Specifications:

• USB and LiPo battery powered.
• FT234XD USB to serial converter.
• LiPo battery charger (BQ24040 ), with options for 2 different charging currents (100mA and 450mA).
• TPS2115A with reverse voltage protection.
• MicroSD card slot.
• 2 female headers to easily plug in the WiPy 2.0, SiPy or the LoPy.
• JST style battery connector.
• Power LED and charge status LED.
• 1 user LED and 1 user switch.
• Battery voltage monitoring via the WiPy ADC.
• Lots of jumpers to enable/disable features.
• Dimensions: 65 x 50 x 12 mm.

Download the user manual here.

Check out the Expansion Board 2.0 specification sheet for complete product details.         

NOTE: LoPy module shown for illustration purposes only and is not included.