Yes, we only sell A-grade battery, we don't sell B-grade battery. After 4800 cycles at 0.5C, 25°C, 100% DOD, our battery capacity is ≥ 80% capacity state. If the charging rate is 0.25C, the battery capacity is ≥ 80% capacity state after 8000 cycles.

Yes, now we have CE, MSDS, ROHS, and UN38.3 certification.

We can now provide 3.2V 86AH/100AH/206AH/280ah prismatic battery.

We can provide samples if we have stock, but the customer has to pay the sample cost and the courier cost.

Yes, we have 100% test before delivery.