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E-bike Battery Supplier in China

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  • Tritek is an electric bike battery manufacturer in China with more than 15 years expertise of the design, R & D, and sales. 
  • Our battery factory in China produces lithium-ion batteries for LEV applications, such as e-bikes, e-motorcycles, e-scooters, etc. 
range extender, inner tube, down tube e-bike batteries

inner tube e-bike battery

For road bikes with a slim frame and electric scooter

Works as a portable charger or second battery 

intube e-bike battery

Universal for city bikes

down tube e-bike battery

For city bikes, mountain bikes

cargo bike battery

For cargo bike, moped bikes

What E-bike Battery Types Do We Offer ?

Inner tube battery: It’s a battery pack for the electric road bike with a slim frame. If you need a battery hidden in the electric bike, and you are looking for high output, lightweight, and in a small volume, this model is perfect for you. 

Intube battery:  It’s an e-bike battery fully integrated into the bike frame and it can be installed almost invisibly in a wide variety of bike frame types.

Down tube battery: It’s an e-bike battery often installed using the rack option for bikes with an upright seating position, to offer complete freedom when mounting or dismounting.

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All You Need to Know About Electric Bike Battery

We turn customers’ ideas into perfect e-bike battery products.

Today’s requirements for an e-bike battery are getting more and more complex.  It is a challenge for any e-bike battery manufacturer to find the best solution for all applications. 

Our rechargeable e-bike batteries combine low weight with ergonomic design and simple handling. It’s an efficient, long-life energy source. We know how to make your e-bike battery better.

  1. Customer-oriented battery design
  2. Smart BMS and 3lvl protection
  3. Low self-discharge rate
  4. Great consistency under severe circumstances
  5. Strict validation tests with cells
  6. Automated production process
  7. Understanding of functional safety  
battery design
cells test
automatic smt line
battery function detection

Compact and Lightweight

The electric road bike has become the new trend, but lightweight and high integration is a big challenge to battery design and production. Tritek e-bike batteries are used in BMC, Wilier, Bianchi, Cannondale, Giant, and other high-end e-bikes, especially e-road bikes.

That is why we fully understand how important weight and dimension are to remain the e-bike as light and compact as possible. Our team has rich experience in battery structure design with limited space and strict requirements for high-end bikes.

e bike 1

Intelligent BMS

Integrate with protocol applicable to the onboard applications, allowing you to communicate with the e-bike battery during riding. Battery Management System detects potential sources of error and protects cells from overloading.

  • Full solutions customized BMS
  • 3 level protection for current, voltage, temperature
  • Diagnose tool history & error table
  • Multi functions and high power in small volume​
  • Protocol CAN, RS485, UART
  • Diagnose tool history & error table
smart bms for e-bike battery

Low Power Consumption

Low self-discharge, no over-discharge, and longer cycle life are challenges to any e-bike battery manufacturer. We design our batteries in a way that they consume less energy and have low self-discharge. 

  • Cell low self-discharge
  • Pack low self-discharge
  • Low power consumption ≤ 150μA

Great consistency:

  • Deep sleep mode for storage
  • Free of charge for 6 months
  • Cell voltage difference ≤ 15mA
high and low temperture discharge curve

Excellent for Extreme Temperature

Constant power output with a constant voltage curve for hours even under extreme circumstances. Run safely using our e-bike battery with discharge rate ≥90% in any high or low temperatures.

  • Charge temperature: 10-45℃
  • Discharge temperature: -20-60℃
  • Relative humidity: ~ 65%, 45-85%
High temperature resistance test

Waterproof IP67

Poor dust and water protection can limit usage or damage even a perfect e-bike battery product. Improve riding experience with better ingress protection. 

We offer waterproof and dustproof batteries with 100% passed tests for IP 67.  

IP67 test for e-bike battery

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Stable Supply Chain of High-quality Cells
for Your E-bike Battery

Tritek has a long-term partnership with cell makers to secure the battery supply for our customers.

We use only high-quality and well-known cells for e-bike battery packs:  Samsung, LG, Sony, Sanyo, Panasonic, BYD, ENERpower, CATL, etc. 


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How to Conduct 100% Traceability in E-bike Battery Production?

manufacturing execution system

Product defect rate increases with a larger production volume which results in wasting extra time and money. Knowledge and experience in full product inspection allow us to deal with all design problems in the mass production of e-bike batteries. 

Full inspection: 100% SPI, AOI, X-RAY inspection.

We already have experience in mass production of 150000 pieces of one specific battery product for a customer per year.

Electric Bike Battery Customisation Process

Customer-oriented Design > IATF16949:PPAP,QCP > Perfect Battery Products

1. Customer idea (3-7 days)
  • Product design 
  • Project planning
2. Design output (7-14 days)
  • Design failure mode and effect analysis
  • Costing
3.Sampling (30 days)
reliability validation
  • Function validation
  • Reliability validation
  • Certificate validation
4.Pre-series (20 days)
  • Pre-series review 
  • Material approval
  • Golden sample approval
  • Certificate, SOP
5. Mass production (35 days)
  • Six Sigma
  • Total quality management
  • Customer service

Want to know your product's delivery date?

We Know Your Certification Needs

To spend money and time designing an e-bike battery, but to fail necessary certification tests. 

We consider and take into account all the necessary tests and certifications for your final application in advance. Based on your need and project timeline, we can redesign an e-bike battery based on the needed certifications, and used scenarios. 

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UL 2271


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Want a consultation or quote?

Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right e-bike battery for your needs.

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Tritek is your ODM partner for lev battery, and we pay close attention to your requirements.

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Tritek aim to be the world leading supplier of the lev battery

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