Replacement E-bike 12V75Ah Rack Battery Pack With BMS
Company Profile
Everwin Tech Co., Limited (shorted as EWT) is a Hi-Tech enterprise established in 2001 in China. We are specialized in the research, design, production and sale of primary lithium batteries (Li-SCLO2, Li-MnO2, and Li-SO2), Lithium Ion batteries, Li-polymer batteries and rechargeable batteries (NiCd and NiMH). Depending on our creative R&D center, production base, and sales and service net, our company has offered customers with excellent products and services.Products and ApplicationOur main products include Lithium Thionyl Chloride batteries, batteries which are widely used in Meters, Utility metering - AMR, Security - Alarms, Lighting - Night Vision, Automotive Electronics, Radio Communication, GPS Tracking, Emergency Location Buoys, and Cameras, and lithium ion and lithium polymer battery and battery pack are widely used for Power Tools, Emergency Lighting,solar energy, digital camera, communication system, Cordless Phones, and Toys.Research and EquipmentEach of our research and development scientists and engineers has over 10 years of experience in battery industry. Equipped with facilities imported from Germany and Japan, our engineers are dedicated to developing new products to meet our customers' demands and specific requirements.Quality and CertificateEWT is ISO9001:2008 certified and our products are RoHS compliant. Our products have attained CE and UL certifications. With standard quality, our batteries are selling well in worldwide markets, including Europe, the USA, Australia, Hong Kong, and other countries and regions.Manufacture and MarketingWe work in day and night shifts to ensure prompt delivery. Our daily output is over 100,000pcs. We have much experience on OEM service. OEM & ODM orders are welcome.We welcome interested companies to contact us in order to develop long-term and mutually beneficial business relationships. Our qualified staff is ready to deal with your inquiries. We hope to be your loyal and long term business cooperator and partner.

Main Application
UPS systems,start-up backup power ,communication equipment,medical equipment,solar wind energy systems,fire safety systems,emergency lighting,power tools.

Performance Characteristics:
High energy density.the special structure of the positivegrid and special lead paste formula And additives make the battery have high output power,which is designed for long life.Special grid materials and high purity additives ensure battery life.the high-purity electrolyte and its additives make the battery self-discharge very small.valve-controlled sealing structure,free of free acid,no need for hydration maintenance.


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FAQ:
Q1: How to choose a right battery?
A1:Tell us your demand, Our sales will recommend and design products for you according to your needs
Q2: How about the delivery time?
A2: Generally, 7-15 days for sample; 15-25 days for bulk order.45 days for FCL.
Q3: What is end-of charge voltage of the battery?
A3: When the battery is fully charged, the active material of the lead plates had reached saturation; the battery voltage does not raise anymore, even charge it continuously.
Q4: How to solve the technical problem?
A4: 24 hours after-service consultancy just for you and to make your problem to solve easily.
Q5: How To Ask for Support if products failure in warranty?
A5: 1. Email us about PI number, serial number,Product S/N number,  show us more details such as: pictures, your testing report or video, if it is the quality problem of product itself, we will resend a new one in next order. 2. we will submit your case to our after sales department, and solve it in 24 hours.