Please confirm if you can provide custom battery pack for the following requirement:

3.7V Lithium Ion battery pack with:
* 30000mAh to 40000mAh capacity
* Input Type-C USB charging port
* 5v output with +ve and –ve wires
* BMS with Overcharge protection, over-discharge protection, short circuit protection and over current protection

This is to run our IoT device on battery power.