36V 20Ah Li-ion Battery with Down-Tube Battery E Bike Kit Electric Bicycle Kit

[embed]https://www.youtube.com/embed1gEgTyn5N2Q[/embed]This 36V 20Ah li-ion battery with a down-tube battery e-bike kit is a high-quality electric bicycle kit that promises to transform your biking experience. The kit includes a robust and reliable li-ion battery, Model Number BI3614/BI3620, with a battery size of 18650/LG21700. It has a weight of 2.5kg/3kg and a charging ratio of 1000. The discharge rate is also 1000. It is suitable for a variety of applications, including electric vehicles, electric wheelchairs, and electric power systems.

Specification of Down Tube Battery

Specification	BI3614	BI3620
L×W×H (mm)	303mm×75mm×74.3mm	323mm×86mm×84.8mm
Rated Voltage (V)	36V	36V
Rated Capacity (Ah)	14Ah	20Ah
Voltage Range (V)	28V~42V	28V~42V
Battery Capacity (Wh)	504Wh	720Wh
Maximum Current (A)	40A	40A
Charge Current (A)	3A	3A
Charge Time (h)	4h~5h	6h~8h
Charge Mode	CC-CV	CC-CV
Working Temperature (℃)	-20℃~75℃	-20℃~75℃
Cycle Life (times)	≥1000times	≥1000times
Waterproof	IP66	IP66
Weight (kg)	2.5kg	3.0kg

Dimension of Down Tube Battery

BI3614 Down Tube Battery Dimension:BI3620 Down Tube Battery Dimension:

Advantages of the Down Tube Battery

The down tube battery comes with a plethora of benefits that make it a top choice for electric bicycles. Here are some of its advantages:

1. Lightweight, High Capacity: The battery is lightweight for easy installation and transport, yet it boasts a high capacity for extended use.
2. Lockable: It features a lockable system for added security, ensuring your battery stays safe and secure during your rides.
3. Built-in BMS: The built-in Battery Management System (BMS) enhances performance and lifespan by managing the battery??s discharge and charging processes.
4. Adopt Imported Panasonic Cells: The use of imported Panasonic cells ensures high performance and long life.
5. Long Cycle Life: The battery boasts a long cycle life of at least 1000 cycles, offering reliable power for a prolonged period.
6. Waterproof Grade IP66: With an IP66 waterproof rating, the battery is resistant to water and dust, making it ideal for all-weather usage.

We have the capacity to produce this high-quality down tube battery, adhering to all international standards and regulations. Our production process ensures each product delivers on performance, reliability, and safety.

Applications of the Down Tube Battery

Down tube batteries for electric bicycles have several applications that make them a popular choice among riders. Here are some of the key applications:

1. Extended Range: With a larger capacity compared to other types of e-bike batteries, riders can enjoy extended range and travel longer distances on a single charge.
2. Improved Weight Distribution: The integration of the battery into the down tube contributes to a more balanced weight distribution, which helps in maintaining the overall stability and handling of the bicycle.
3. Aesthetics and Integration: Down tube batteries offer a clean and streamlined appearance, giving the e-bike a sleek look.
4. Protection from Elements: The down tube placement offers better protection against external elements such as water, dust, and impacts, ensuring the longevity and performance of the battery.
5. Removability and Convenience: Many down tube batteries are designed to be easily removable, offering convenience for charging, storage, or transportation.
6. Compatibility and Accessibility: Down tube batteries are widely used in the e-bike industry, making it easier for riders to find compatible replacement batteries or upgrade their existing e-bike with higher-capacity options.

How Does the Down Tube Battery for Electric Bicycle Work?

The down tube battery for an electric bicycle works by storing electrical energy and supplying it to power the e-bike's motor. Here's a step-by-step explanation of how it functions:

1. 1. Battery Integration: The down tube battery is designed to be integrated into the down tube of the bicycle frame. It is securely mounted and connected to the e-bike's electrical system.
   2. Lithium-ion Cells: The down tube battery typically consists of lithium-ion cells, which are the primary energy storage units. These cells are connected in a series or parallel configuration to achieve the desired voltage and capacity.
   3. Voltage and Capacity: The number and configuration of the lithium-ion cells determine the voltage and capacity of the battery.
   4. Power Control: The down tube battery is connected to the e-bike's motor controller, which regulates the power flow.
   5. Charging Process: To charge the down tube battery, you typically connect it to a charger using a charging cable. The charger supplies the appropriate voltage and current to replenish the battery's energy.
   6. Discharging Process: When the e-bike is in use, the down tube battery discharges its stored energy to power the motor.
   7. Removability: Many down tube batteries are designed to be easily removable. This allows riders to detach the battery from the down tube for charging or replacement.

Choosing the Right Down Tube Battery for Electric Bicycle

When choosing the right down tube battery for an electric bicycle, several factors need to be considered to ensure compatibility and meet your specific needs:

1. Voltage and Capacity: Determine the voltage and capacity requirements based on your e-bike's motor specifications and your desired range.
2. Battery Size and Shape: Down tube batteries come in various sizes and shapes to fit different bicycle frames.
3. Battery Weight: Consider the weight of the down tube battery as it affects the overall weight of the e-bike.
4. Battery Integration: Check if the down tube battery is compatible with your specific e-bike model and frame.
5. Battery Management System (BMS): The battery management system is crucial for safety and performance.
6. Removability: Decide if you prefer a removable or non-removable down tube battery.

Maintenance of the Down Tube Battery

Proper maintenance of the down tube battery for an electric bicycle is essential to ensure its longevity, performance, and safety. Here are some maintenance tips:

1. Read the Manual: Start by carefully reading the manufacturer's manual that accompanies the battery.
2. Charging: Follow the recommended charging procedures outlined in the manual.
3. Storage: If you won't be using the e-bike for an extended period, store the battery in a cool and dry place away from direct sunlight.
4. Cleaning: Keep the battery and its connections clean and free from dirt, dust, and moisture.
5. Inspections: Regularly inspect the battery for any signs of physical damage, such as cracks, dents, or bulges.
6. Extreme Temperatures: Avoid exposing the battery to excessively high or low temperatures, as it can affect its performance and lifespan.

Why Choose Raydafon's Down Tube Battery for Electric Bicycle?

Raydafon Electric Technology Co Ltd. is dedicated to the R&D, manufacturing, and worldwide marketing of high-end electric bicycle parts. All our products are designed and developed in-house and protected by a number of domestic and international intellectual property rights. We have introduced professional production and testing equipment and advanced production lines and established a complete quality management system. Our product is renowned for its reliable quality, exquisite craftsmanship, and stylish design.We look forward to working with you to jointly promote the development of the electric bicycle industry and contribute to environmental protection.Author: Yjx