i need to charge 18650 li ion battery using SPV 1050 MPPT IC. where will i need to connect the load (microcontroller)? on which pin do i need to connect my micro controller?

[TVard.1]

Do i need to connect my load on STORE pin or in parallel to VBATT+ ?

In STEVAL-ISV020V1 what is EXT_SUP? is this where i need to connect my load

what will happen if i discharge 1 Amp current from 18650 battery?

what is the current capacity of inbuilt PASS TRANSISTOR?