Step 6 — Done¶
Purpose¶
The Done step displays a receipt summarizing the entire battery swap transaction. The attendant reviews the receipt, hands the new battery to the customer, and can start a new swap.
Receipt Summary¶
The receipt includes the following details:
| Field | Description | Example |
|---|---|---|
| Subscription ID | The customer's subscription identifier | SUB-2024-03821 |
| Returned battery | ID of the old battery handed back | BAT-2024-00451 |
| Issued battery | ID of the new battery given to the customer | BAT-2024-00789 |
| Energy difference | Net energy gained (kWh) | 2.47 kWh |
| Amount due | Gross cost after quota deduction | CFA 394.00 |
| Amount paid | Amount collected via M-Pesa (or 0 if covered by quota) | CFA 394.00 |
| Time | Timestamp of the completed transaction | 2026-02-18 15:32:04 |
UI Behavior¶
- The receipt is displayed in a clear, read-only format.
- Key values (amount paid, batteries swapped) are prominently highlighted.
- A success indicator confirms the swap was completed.
Next Steps¶
After reviewing the receipt:
- The attendant hands the new battery to the customer.
- The attendant taps New Swap to return to Step 1 — Customer Identification and begin the next transaction.
Actions¶
- New Swap returns to Step 1 — Customer Identification
- Logout exits the attendant session