Q:Which kinds of batteries can we choose? A:Our standard configuration is Lead-acid battery, it also can use lithium battery according to customer's request Q:How to carry out after-sales service? A:During the warranty period, everything is free except for wearing parts and man-made damage. First, you need to provide the badparts; then we will be free to repair or change for you. Q:What about your floor cleaning machine price? A:Anytime, high quality is the primary standard of our factory, on the top quality basis, sure you will get reasonable and satisfied price! Q:Can you send me the video to show how the floor cleaning machine work? A:Certainly, we have made video of every machine and uploaded them by our chain address.If you need, we will send you operation video. Q:How long it takes for lead time? A: For sample, 1-5 days after payment; for bulk order, 5-10 days after deposit. Q: Is customized design acceptable ? A:Yes, of course, we have professional engineers help design the most proper one for you. Q: Does your company accept custom-made? A:Yes, we accept it, OEM and ODM supported.If you want to be our distributor or agent, let's talk more details.