PTL Electronic Labels with E-ink Displays for Picking Racks

In scenarios such as warehousing and logistics, e-commerce sorting, and the management of automotive parts and electronic components, the traditional manual document-based sorting model suffers from numerous pain points, including low efficiency, high error rates, data delays and difficulties in traceability. As a core piece of equipment in intelligent warehousing, the e-picklist (PTL) with an e-ink display for shelf picking leverages advantages such as illuminated guidance, paperless operations and real-time data synchronisation to thoroughly revolutionise traditional sorting methods. It enables efficient sorting operations, digitalised warehouse management and full traceability of material flow, making it a key tool for upgrading modern smart warehousing.

I. Redesigning the Picking Model to Significantly Improve Operational Efficiency

1. Visual rapid guidance.

These labels are compatible with all types of picking racks and correspond to each individual storage bin. Upon receiving order tasks from the back-end WMS and MES systems, they automatically illuminate and emit a beep, whilst simultaneously displaying key information—such as the item name, specifications, picking quantity and batch number—on an e-ink screen. Operators need not consult paper documents or manually cross-check ledgers; they can quickly locate storage bins by following the light guidance, significantly reducing the time spent searching for goods and verifying details.

2. Streamlining Operational Workflows.

Paper-based documents are eliminated throughout the entire process, enabling paperless sorting operations and doing away with cumbersome procedures such as printing, passing on, archiving and verifying documents. The sorting process is completed in just three steps: ‘look at the light, pick the item, confirm’. The operation is simple and easy to learn; new staff can become proficient in a short time, effectively reducing staff training costs and making it suitable for high-volume, high-frequency sorting scenarios.

3. Suitable for a wide range of operational scenarios.

For complex scenarios such as small e-commerce parcels, electronic components, automotive parts and multi-SKU piece-picking, the e-ink PTL electronic labels can precisely match operational requirements. They support the synchronised sorting of batch orders, effectively increasing daily order processing capacity in warehouses; compared to traditional manual sorting, overall operational efficiency can be improved by more than 50 per cent.

II. Intelligent Error-Proofing Controls to Reduce the Risk of Picking Errors
Picking errors are a key challenge in warehouse operations. Incorrect picks, missed picks and over-picks not only affect order fulfilment efficiency but also lead to issues such as material wastage and inventory disorganisation. E-labels with e-ink screens are equipped with a comprehensive intelligent error-proofing mechanism.

1. Real-time error correction alerts.

During operations, should any non-compliant actions occur—such as discrepancies in the quantity picked or selection of the wrong storage location—the label will immediately trigger an audible and visual alarm, promptly alerting staff to make corrections and eliminating picking errors at source.

2. Closed-loop verification of operations.

Upon completion of the picking task for each storage location, the label synchronises and uploads the operational data following confirmation by the staff member, thereby closing the loop for that individual operation. The system automatically records the results, preventing issues such as missed operations or omissions in records, ensuring that every order is picked with precision and accuracy, and reducing the picking error rate to an extremely low level.

III. End-to-End Data Retention for Full Traceability
Digital traceability is a core requirement of modern warehouse management. E-ink PTL electronic labels integrate seamlessly with the back-end management system to establish a comprehensive material flow traceability system, resolving the challenges of data gaps and lack of traceability evidence in traditional warehousing.

1. End-to-end data recording.

The devices can collect and retain data in real time throughout the entire process—including goods receipt, shelving, sorting, dispatch and returns—accurately recording key information such as the operator, operation time, goods batch and quantity handled, thereby forming a comprehensive ledger of goods movement.

2. Precise traceability and accountability.

In the event of order anomalies, material wastage or stock discrepancies, managers can retrieve the full operational history of the relevant materials at the touch of a button via the system. This enables them to swiftly identify the source of the problem and the responsible party, efficiently resolve issues and implement corrective measures, thereby ensuring transparent management of warehouse operations.

3. Real-time synchronisation of stock data.

Label data is linked in real time with the back-end system; stock information is automatically updated upon completion of operations. This eliminates discrepancies between recorded and actual stock levels caused by delays, errors or omissions in manual bookkeeping, ensuring that stock data remains accurate in real time and providing reliable data support for warehouse stock-taking, procurement and order dispatch.

The PTL electronic labels with e-ink displays for picking racks offer three key advantages: efficient sorting, intelligent error prevention and end-to-end traceability. They not only address the pain points of traditional manual sorting—such as low efficiency, high error rates and high costs—but also enable digital, refined and transparent management of warehouse operations. Suitable for a wide range of industries and scenarios, these tags effectively help enterprises streamline warehousing processes, reduce operational costs, and enhance operational accuracy and management standards. They represent a cost-effective and highly practical core solution for the transformation from traditional to smart warehousing.

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