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Joubi 36V and 48V Rear Rack Ebike Battery Review

If you’re in the market for a reliable and long-lasting electric bike battery, the Joubi 36V and 48V Rear Rack Ebike Battery may be exactly what you need. With a variety of size and capacity options, as well as a sturdy rack for easy installation, this battery pack is designed to provide consistent and efficient power for your electric bike.

Specifications and Features

The Joubi 36V and 48V Rear Rack Ebike Battery is available in various nominal capacity options, including 10Ah, 12Ah, 15Ah, 18Ah, and 20Ah. The cell specification is 2500mAh 18650Cell, and it has a life cycle of 1000 cycles. The battery size is 380mm*160mm*85mm, making it suitable for 20-28 inch bikes.

The standard charge current is 2A, with a maximum continuous charge current of 3A. The charge cut-off voltage is 42V for the 36V battery and 54.6V for the 48V battery, and the charge temperature range is 0-45°C. The maximum continuous discharge current is 30A, and the discharge temperature range is -20-60°C. The discharge connector options include T-plug, bullet, and XT60 (default).

Furthermore, the package includes the lithium battery, a battery charger, rear rack suitable for 20-28 inch bicycles, a manual, and accessories.

Easy Installation and Safe Operation

One of the standout features of the Joubi Rear Rack Ebike Battery is the ease of assembly and installation. The included rear rack makes it simple to attach the battery to your electric bike, and it is suitable for 20-28 inch wheels. The rack also comes with a taillight, ensuring safe driving at all times.

Additionally, the battery indicator provides real-time feedback on the battery’s charge level, allowing you to stay informed and charge the battery in a timely manner. The sturdy aluminum shell of the battery makes it easy to transport, and the modern shape design ensures easy installation and removal.

For added security, the battery is equipped with a lock to prevent theft and a rear handle for easy transportation.

High-Quality and Long-Lasting

The Joubi Rear Rack Ebike Battery is built with high-quality electric cells and features a built-in 30A BMS protective plate. This protective plate prevents overcharge, over-discharge, overcurrent, and short circuit, ensuring the long life expectancy of the battery.

Furthermore, each lithium battery undergoes thorough testing for appearance and function before shipment, guaranteeing its quality and reliability. With a charge cycle exceeding 1000 times and a life expectancy of up to 5 years, this battery is designed to provide consistent and long-lasting power for your electric bike.


In conclusion, the Joubi 36V and 48V Rear Rack Ebike Battery offers a range of options to suit your specific needs, whether you’re looking for a 36V or 48V battery with various capacity options. With its easy installation, real-time battery indicator, sturdy construction, and long-lasting performance, this battery pack is an excellent choice for anyone in need of reliable power for their electric bike.

Overall, the Joubi Rear Rack Ebike Battery delivers on both quality and functionality, making it a top contender in the market for electric bike batteries. With its high-quality construction and long-lasting performance, it is sure to provide consistent and efficient power for your electric bike for years to come.

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