Any skepticism I had in the beginning was unfounded and experienced a very pleasant transaction. Everything went very smoothly.
Tip for consumers: When buying from a company do research and verify the validity of their claims.
Products used: I ordered two LIFEPO4 100ah from XD Beijing Technology Co. Ltd. and am very pleased with the transaction although product has not been field tested yet. My decision to buy their product was based on their technical information on manufacturing.