| 1 | Battery Chemistry | Rechargeable lithium-ion or lithium-polymer cells with stable discharge performance and an integrated protection circuit. | Cell specification, safety data sheet, protection-circuit design, and sample test results. | 12% |
| 2 | Voltage and Capacity Matching | Common POS battery configurations include approximately 3.7 V nominal voltage and capacity ranges from about 1,000 mAh to 5,000 mAh, depending on device size and operating time. | Electrical drawings, rated-capacity report, discharge curves, and compatibility confirmation. | 12% |
| 3 | Protection and BMS Functions | Protection against overcharge, over-discharge, overcurrent, short circuit, and abnormal temperature conditions. | Protection-circuit schematic, limit settings, abnormal-condition test records, and firmware or communication details when applicable. | 12% |
| 4 | Safety and Transport Compliance | Products should be tested according to applicable lithium-battery transport requirements, including UN 38.3, with documentation suitable for international shipment. | Current UN 38.3 test summary, safety data sheet, transport classification, and packaging specifications. | 14% |
| 5 | Quality Management System | A documented production and quality system, preferably certified to ISO 9001, with traceability from cells and components to finished battery packs. | Valid certificate, factory audit report, incoming-inspection records, and lot-traceability procedure. | 10% |
| 6 | Cycle Life and Reliability | A clearly defined cycle-life test at specified charge, discharge, temperature, and end-of-life conditions; the result should be validated on the final pack design. | Cycle-life curves, aging conditions, retention criteria, reliability plan, and sample failure analysis. | 10% |
| 7 | Customization Capability | Ability to customize dimensions, connector type, wire length, protection settings, labeling, and communication interfaces for specific POS terminals. | Engineering drawings, prototype samples, tooling quotation, change-control process, and customization lead time. | 10% |
| 8 | Production Capacity and Lead Time | A supplier should be able to provide a realistic prototype schedule, stable mass-production capacity, and documented control of component availability. | Monthly capacity statement, production schedule, standard and customized lead times, and delivery-performance records. | 8% |
| 9 | Testing and Traceability | Each production lot should be checked for voltage, capacity, internal resistance, appearance, insulation, connector polarity, and protection performance. | Inspection standards, automated-test records, calibration certificates, lot codes, and corrective-action reports. | 7% |
| 10 | Commercial Terms and After-Sales Support | Transparent pricing, reasonable minimum order quantities, warranty terms, technical support, replacement policy, and effective communication during product changes. | Formal quotation, warranty policy, sample terms, service-level commitments, and customer-reference checks. | 5% |