Yes. We provide packing list, invoice, BL, CO, battery transport documents, etc.

Yes. Third-party inspection is welcome; we arrange time/location/items per request.

The price is locked once deposit is paid; no further changes.

Yes. We apply your SKU, barcode and spec labels free of charge.

Yes. Samples can be packed to mass production standard for marketing photos or listing.

Yes. We sign NDAs to strictly protect your designs, specs, and pricing.

Slight impact. Best lifespan at 0–45℃ with standard charging current.

Voltage difference ≤0.03V, internal resistance ≤5mΩ, capacity difference ≤3%, excellent consistency.

We provide certified recycling recommendations and support bulk battery disposal per environmental regulations.

Yes. All materials meet latest RoHS/REACH standards; material composition reports available.

Remote surcharge may apply for certain areas. Confirm before ordering, cost is actual.

±5% quantity tolerance is allowed with prior notice, no impact on price or lead time.