Most POS conversations start and end with "can it print a bill fast." That's the minimum bar, not the goal. A POS system is the single point where sales, stock, and cash all meet - get it wrong and you'll feel it in stock discrepancies and end-of-day reconciliation headaches for years.
The Non-Negotiables
• Barcode scanning and quick-search billing - speed at the counter directly affects customer experience during peak hours
• Real-time stock deduction - every sale should immediately reflect in inventory, not require a manual end-of-day stock update
• Multiple payment methods on one bill - cash, card, and increasingly QR/bank transfer, tracked separately for reconciliation
• Returns and exchanges handling - without this, staff either fudge the numbers or refuse legitimate returns
Features Most Shops Don't Think to Ask For (But Need)
• Multi-branch visibility - if you have more than one outlet, can head office see live stock and sales across all locations from one screen?
• Low-stock alerts - automatic notification before you run out of a fast-moving item, not after
• Staff-level access control - cashiers shouldn't be able to edit prices or void bills without manager approval logged in the system
• Customer purchase history - useful for loyalty programs and understanding your actual best customers, not just gut feel
• Offline resilience - what happens to billing during an internet or power outage? A POS that fully stops is a real operational risk in Sri Lanka
The Integration Trap
A lot of retail businesses buy a standalone POS device, then separately buy accounting software, then spend months trying to get the two to talk to each other - usually via manual CSV exports or a costly custom integration. Every sale should update your books automatically, without someone re-entering totals into a spreadsheet at closing time. This is the single biggest reason to choose accounting software with POS built in rather than bolted on.
What This Looks Like With xPower
xPower's POS module writes directly into the same system as your accounting and inventory - a sale at the counter updates stock levels and your books in the same instant, across every branch if you have more than one. There's no export/import step, no reconciliation gap between what the till says and what the books say at month-end.