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. Long-term stable large orders qualify for tiered pricing, quarterly rebates, priority production, and other benefits.

Yes. Each batch comes with factory test reports including internal resistance, capacity, voltage, and cycle data.

Not recommended—safety risk exists. Discontinue use immediately and contact our after-sales team.

Standard with built-in BMS, featuring overcharge, overdischarge, overcurrent, short-circuit, and temperature protection for safe use.

Yes. We provide free Chinese/English user manuals, safety warning labels and guides.

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.

In case of any safety issues, we will take immediate action, including product recall, root cause analysis, and corrective measures to ensure no further impact.

Yes, we provide user manuals and operation guides. We can also offer online training sessions for your team if needed.

Please contact us within 7 days of receiving the goods with photos/videos of the defects. We will provide free replacement, repair, or refund according to the situation.