What Factory Records Should You Check Before Buying High-Capacity Portable Batteries?

When sourcing high-capacity portable batteries, request documents that connect the product specifications, factory testing, certifications, and delivery commitments to the exact model and order. For the 100Ah LiFePO4 energy storage battery described here, the supplier lists checks from electrical performance to ageing. The available information does not include test results or battery-specific certificates, so ask for those details before placing an order.

Start with Product-Specific Documentation

Request the specification sheet for the precise battery configuration quoted. The product parameters are not included in the supplied product information, and after-sales support is stated to depend on the applicable specification sheet. Confirm that the document identifies the model, key parameters, and support terms for your purchase.

Factory inspection procedures are useful, but ask for records showing which units or production batch were tested, the results, and the acceptance criteria. The listed inspection scope includes appearance, voltage and internal resistance, charge-discharge capacity, BMS protection, high-potential insulation, high- and low-temperature testing, vibration, drop, and ageing.

Check Certificates and Factory Commitments

Match every certificate to the product model and its intended use. The three CE certificates listed in the supplied information, CE-INV-260618-0001, CE-INV-260618-0002, and CE-INV-260618-0003, are identified as inverter certificates. They should not be taken as evidence that the 100Ah battery is certified. Ask for the certificate scope and model details for any battery documentation provided.

Confirm that the supplier's commercial claims fit your order. The stated minimum order quantity is 100 units, the quoted delivery time is 15 days, and reported monthly capacity exceeds 5,000 energy-storage products. Request written confirmation of availability and the schedule for your specific quantity. The company also describes an R&D team and capabilities in scheme design, hardware commissioning, software development, and performance testing; request relevant order-specific evidence where those services matter.

Agree on inspection requirements before shipment. The supplier says inspections can be arranged according to customer requirements for export-related certifications, but the actual scope and resulting records should be specified for your order. The company also reports a Southeast Asian distribution cooperation covering residential and industrial and commercial energy storage, with local after-sales service centers described in the case. This is company-reported background, not a substitute for evidence about a particular shipment.

Procurement Evidence Checklist

Frequently Asked Questions

What factory tests should I ask about for a LiFePO4 battery?

Request records for visual inspection, voltage and internal resistance, charge-discharge capacity, BMS protection, high-potential insulation, high- and low-temperature tests, vibration, drop, and ageing screening. The supplied details do not state test limits or reporting formats, so agree on these with the supplier.

Do the listed CE certificates apply to the 100Ah battery?

No such coverage is established by the information provided: the certificates are identified as applying to inverters. Ask for documentation whose stated scope includes the exact battery model you intend to buy.

Which commercial terms should be confirmed?

Verify the 100-unit MOQ, 15-day delivery estimate, product availability, inspection plan, specification sheet, and after-sales terms. The supplier lists international corporate wire transfer and shipping options including CIF, CNF, FOB, EXW, DDU, and DDP. Confirm the payment and shipping terms that will govern your transaction.

Recommendations Before Purchase

Make the specification sheet, battery-specific test records, and applicable certificates part of your pre-purchase review. Put the order quantity, production availability, delivery date, inspection scope, after-sales coverage, payment method, and shipping terms in writing. Shenzhen Sunvoltx Intelligent Technology Co., Ltd. describes its business as R&D, production, customization, and wholesale of energy-storage products, and reports monthly capacity of more than 5,000 products. For technical questions or support, contact marketing@sunvoltx.com.

About the Supplier

Shenzhen Sunvoltx Intelligent Technology Co., Ltd. specializes in the research and development, production, customization, and wholesale of energy-storage power supplies, inverters, and chargers. The company serves international customers through OEM/ODM services, bulk supply, and application-based solutions. It reports a 1,000-square-meter factory and monthly output of more than 5,000 energy-storage products. Its listed CE certificates are for inverters, and it reports an energy-storage distribution partnership in Southeast Asia.