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  • Q What is the difference between the Makita bl1860b and Makita 3?

    A The Makita 6.0Ah battery, model BL1860B, combines more run time (two-times more run time per charge than the Makita 3.0Ah battery) with a category-leading charge time of only 55 minutes so it spends more time working and less time sitting on the charger. For added convenience, it also features an on-board L.E.D. Makita USA - Product Details -BL1860B
  • Q How to ship?

    A Shipping freight are quoted under your requests (Express by DHL, UPS, FEDEX, TNT , By Sea,By Air).
  • Q How about the package?

    A Neutral package,branded package or Customized package.
  • Q What kind of cells do you use for your product?

    A The batteries we use are the products of Samsung and LG, which are the first choice for our power tools, 100% high quality.
  • Q How do you guarantee the quality of your products?

    A Strict QC with 6 steps testing from raw materials purchase to finished product.
  • Q Do you accept ODM&OEM services?

    A Yes, we offer OEM&ODM services as our main businesses.
  • Q When will it deliver after payment?

    A bulk order about 10~15 days.
  • Q Can I get samples?

    A We can provide samples and return the samples cost in bulk order.
  • Q What information do you need to make a customized battery pack?

    A We need the details below:
     1.) Size of the battery pack you need in mm.
     2.) Capacity of the Battery pack.
     3.) Voltage of the battery pack.
     4.) Max discharge current.
     5.) Cable and connector types you need.
     6.) Casing and Terminals if required.
     7.) Any protection circuits you may need.
  • Q Do you have the documents required for battery shipments?

    A Yes, we have MSDS, UN38.3, etc. and other special files needed for shipments to some regions can also be secured.
  • Q Can you print my logo on the battery cover?

    A Yes, custom logo service and branding is available.
  • Q How do you ensure monthhigh quality of your products?

    A Strict QC with 6 steps testing from raw material purchase to finished product.
  • Q What’s the warranty service do you offer?

    A We offer 13 months warranty for all our products.
  • Q what services can we provide?

    A Accepted Delivery Terms: FOB,CIF,EXW;
    Accepted Payment Currency:USD,JPY;
    Accepted Payment Type: T/T,L/C,PayPal;
    Language Spoken:English,Japanese, Chinese
  • Q why should you buy from us not from other suppliers?

    A Possess strong production technology capabilities, the company has independent innovation research and development capabilities, has a professional sales team, and has professional after-sales service
  • Q Your company's main product?

    A Our main products are power tool battery pack, cordless tool battery, power tool battery charger, vacuum cleaner battery,
    sweeper battery. It can be widely used in power tools, cordless tools, vacuum cleaners, cleaning robots, tablet computers, industrial mobile lighting.,Li-ion BMS
  • Q What about your warranty policy?

    A Youyi offer one-year warranty for batteries &chargers. Any quality problems are created during warranty time. There is a professional after-sale service team for customer support and promotion.
  • Q What is your strength for ODM&OEM project?

    A OEM/ODM project is welcome. Youyi  have our own Molding and injection workshop. Have R&D engineer can supply best technology support for our project.
  • Q What is your battery monthly capacity?

    A Youyi battery monthly capacity is 180000-240000pcs.We accept OEM/ODM project.
  • Q Are you a manufacturer or trading company?

    A Youyi is a professional cordless tools battery & charger manufacturer & trading combo for 14 years since 2007.
    We are based in Guangdong, China, start from 2018,sell to Domestic Market(15.00%),North America(15.00%),Eastern Asia(12.00%),Western Europe(9.00%),Eastern Europe(9.00%),Southeast Asia(9.00%),Northern Europe(8.00%),Southern Europe(7.00%),South America(6.00%),Mid East(3.00%),South Asia(3.00%),Central America(2.00%),Oceania(1.00%),Africa(1.00%). There are total about 150-170 people in our office.