Zoho Inventory management will assist you in inventory management. This includes keeping track of inventory sales and purchases, storing it efficiently, tracking stock, validating adequate inventory levels, to mention but a few.

Zoho Inventory has multiple features to for managing inventory that meet your specific business needs and they include:
Stock Management
Supplier Management
Shipment Tracking
Inventory management
Barcode Scanning
Sales Order Management
E Commerce Integration
Zoho Books Integration

There are two stock tracking modes in Zoho Inventory:

Physical Stock: When a Purchase Receive is made, your stock will increase, and when a Shipment is delivered out to the customer, your stock will decrease.

Accounting Stock: When a Bill is raised, your stock will increase, and when an Invoice is given to the customer, your stock will decrease.

You may add batch numbers to your items in Zoho Inventory in two ways: first, when adding a new item, and second, when recording a new purchase bill. To do this, you can follow the procedure below.
clicking the Plus icon next to Bills
create a new bill page.
Add a batch tracked item to a line item
Add batches option appears in the quantity area.
Click it and fill in the batch information for the desired quantity.
Click Save.

Yes, it's possible. A single account can be used to manage several organizations. To add another organization use the steps below as a guide.

From the drop-down menu, select 'Manage Organizations.'
It will open a new window where you can create a new organization or switch between your current ones.
Select New Organization from the drop-down menu.
The new organization's rapid setup window appears.
Complete the required information and you now have a new organization.