Allow approximately 30 days for the supplier's stated delivery schedule when requesting lithium manganese battery samples. Because the available information does not provide a separate sample lead time, confirm whether the 30-day period includes sample preparation, inspection, and shipment. Once the samples arrive, evaluate their specifications, application suitability, quality documentation, and test results before considering the supplier's minimum order of 10,000 units.
The published supplier information identifies a 30-day delivery time, but it does not distinguish between standard orders and samples. Buyers should therefore treat 30 days as a preliminary planning figure rather than a guaranteed sample lead time. Before placing a sample request, confirm the preparation period, testing arrangements, shipping date, and any documents that will accompany the shipment.
After receiving the samples, record the model, dimensions, weight, electrical performance, storage condition, and test results. The sample should reflect the listed product profile: a compact and lightweight design, consistent power supply quality, extremely low self-discharge, and reliable operation between -20 °C and 60 °C. Approval should also show how those properties satisfy the device's load, environment, service life, and safety requirements.
Vinnic Manganese Dioxide Lithium Battery products are presented for automotive electronics, including car key remotes, tire pressure monitoring sensors, in-car electronic tags, dash cam backup batteries, and keyless-entry components. Other listed uses include smart watches, Bluetooth trackers, electronic scales, blood glucose meters, portable pulse oximeters, smart door locks, smoke alarms, IoT nodes, security cameras, and industrial counting equipment.
The supplier describes a multi-stage inspection system. It includes 100% inspection on the production line, laboratory sampling and testing, and inspection of incoming raw materials. These checkpoints can be used to compare the delivered sample with the supplier's documented manufacturing controls and to identify any gaps before approval.
The supplier also lists ISO 9001:2015 and IATF 16949:2016 certifications. Include these records in the supplier evaluation, while treating them as supporting evidence that should be reviewed together with product test results, inspection records, and application-specific validation.
| Evaluation item | Available information |
|---|---|
| Sample planning reference | 30-day delivery estimate; no separate sample lead time is stated |
| Minimum order quantity | 10,000 batteries |
| Construction and performance | Compact and lightweight, stable power supply, and extremely low self-discharge |
| Operating range | -20 °C to 60 °C |
| Inspection process | 100% production-line inspection, laboratory sampling and testing, and incoming raw material inspection |
| Commercial model | Full industrial chain, distribution, and direct sales |
| Shipping method | Sea freight, positioned for large loading capacity and long-distance material transportation |
What is the expected lead time for lithium manganese battery samples?
The supplier states a 30-day delivery period, but the available data does not identify a dedicated sample lead time. Plan around 30 days initially and obtain written confirmation that the estimate applies to samples.
Which points should be checked during sample approval?
Review the battery's physical construction, power delivery, self-discharge performance, and operation across -20 °C to 60 °C. Confirm that the sample meets the target device's technical requirements and request the relevant inspection and laboratory records.
What happens after the sample is approved?
The listed minimum order is 10,000 batteries. The supplier supports full industrial chain production, distribution, and direct sales, with sea freight available for larger or longer-distance shipments.
For planning purposes, reserve 30 days for lithium manganese battery sample delivery, but do not approve the supplier based on the schedule alone. Confirm the sample-specific lead time, then assess the battery's performance, environmental suitability, intended application, inspection evidence, and certification records. The supplier lists a 10,000-unit MOQ, ISO 9001:2015 and IATF 16949:2016 certifications, and several purchasing and shipping options. For technical solutions or supplier support, contact vinnic@chungpak.com.
CHUNG PAK (GUANG DONG)BATTERY INDUSTRIAL CO., LTD
Founded in 1980, the company started as a battery producer and later expanded into paper separators, zinc materials, metal and plastic components, and tooling. Its Vinnic product portfolio includes manganese dioxide lithium batteries, alkaline batteries, zinc chloride batteries, button cells, and Ni-MH rechargeable batteries. The company reports annual production capacity exceeding 1.8 billion pieces and supplies customers across America, Europe, Africa, and Southeast Asia.
Recorded certifications include ISO 9001:2015 and IATF 16949:2016.
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