Q1: How long does it take to fully charge the battery? A: About 8 hours. Q2 Do you accept sample customization? A: Yes, we accept logo customization on samples, samples need to be charged, but we usually refund the sample cost when you buy in bulk. Q3: Do you accept ODM? A: Yes, we have excellent R&D capabilities with 98 research team members, cooperating with Beijing and Tsinghua University -Hardware: We provide you with engraving for customization and we will advise if needed. - Software: Advise you on your specific needs, we design for you. Q4: What's your MOQ? A: If OEM customization is needed, our MOQ: 100Pcs Q5: Is it an original product? A: Yes, our company obtained 309 global patents in 2011. Q6: Are you a factory? A: Yes. Antoni International (Huizhou) Industrial Park is our 100% own factory, operating under MES quality management, has passed the audit of many famous customers such as Bosch, welcome to visit or can get the catalog first for audit. Q7: What's your warranty? A: 12 months warranty. Q8: How to ensure the safety of your products? A: First of all, we have 10 years of lithium research experience and are strong in battery control technology. Secondly, providing global insurance for the entire product, including powerbanks and adaptors, not only certain parts, we have firm confidence in our products, please take it easy. Q9: Do you have some famous brand customers? A: Yes, please contact us for more customer information for reference. Q10: How long is the delivery time? A: Bulk order is usually 35 days after the design work is confirmed, of course it depends on your specific order quantity.