Store in a dry, cool place at 10–30℃. For long-term storage, charge to 50% and recharge every 3–6 months.

For quality issues: we cover round-trip shipping. For non-quality issues: customer covers shipping.

Yes. We are ISO9001 certified and can provide the certificate.

We have 400+ workers with a daily capacity of up to 1 million cells. Capacity reports are available.

Yes. We can assist with CE, RoHS, UN38.3, MSDS, IEC62133, etc. Certification fees apply separately.

Yes. We support built-in or external BMS with overcharge, overdischarge, overcurrent, and short‑circuit protection.

Shipping cost depends on weight, volume, destination and shipping method. We can provide a real-time quotation.

We provide complete UN38.3, MSDS and transport appraisal reports. Shipped via standard battery channels with high customs clearance rate.

New customers pay in advance by default. Long-term stable large customers can apply for credit terms after qualification assessment.

Prices are fixed within the quotation validity period. If raw material prices rise significantly, we can renegotiate the price.

For standard items, 1pc is available for sample testing. Bulk MOQ can be negotiated based on quantity and cooperation.

Yes. Samples and mass production follow the same process, standards and materials.