You can pay via T/T,L/C at sight, PayPal, Western Union, Cash etc., 100% T/T in advance for samples. For large quantities, 30% T/T in advance as soon as order confirmed and the balance before shipping via T/T or L/C etc. If you prefer other payment terms, please contact us freely.

Yes. The battery can be put in parallel or series by customers. But there are few tips we need to pay attention:

1> Make sure the voltage of each battery are same before put inparallel. If they are not same, charge them to the same rate;

2> Do not put discharged battery and undischarged battery in parallel. This may reduce the capacity of the whole battery pack;

3> Do not put the batteries in series.

4> If you are not professional in parallel  batteries, please don't handle the battery by yourself. It may cause danger and hurt the cycle life of battery;

We can provide CE,ROHS,UL,FCC,IEC62133,MSDS,UN38.3 certificate and test reports.

We are proffesional lithium-ion rechargeable batteries manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients around globe.

All of our battery cells with Grade A,100% new and real capacity.

It depends order quantities. Usually, we can deliver goods within 3 -5 working days for small orders, for more QTY. order, let's confirm when you place offical order.

Yes,it is avaliable.

We only supply high level quality of lithium battery and we gurantee on-time shipment,we also provide excellent after sales service.

We offer 2 years warranty for all our battery pack.we ensure at least 2000 cycle life for the LiFePO4 battery pack, which means,after 2000@80% DOD,there will still around 60% capacityt left.You can use it for at least 5 years for normal 1 time charge and discharge everyday.

The sample delivery timeframe is 7 to 10 days, with sample costs and shipping fees borne by the buyer. Typically, we do not offer free samples; however, for large-volume orders, we are willing to reimburse the sample expenses.