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Electric bikes have become increasingly popular in recent years, offering a convenient and eco-friendly mode of transportation for both daily commuters and outdoor enthusiasts. One crucial component of an electric bike is the battery, which directly impacts the performance and functionality of the e-bike. The Joubi 48V 8Ah 10Ah 13Ah 15Ah Mountain Bike Battery is a high-quality lithium battery designed to power e-bike motors ranging from 200W to 1000W. With its USB output, lock, charger, and various other features, it promises to provide a reliable and efficient power source for electric bikes. In this comprehensive review, we will delve into the specifications, features, and overall performance of the Joubi 48V e-bike battery.


The Joubi 48V electric bike battery boasts an array of features that make it a standout option for e-bike enthusiasts. The following are some of the key features offered by this battery:

1. USB Output: One of the standout features of this battery is its USB output, which provides a convenient way to charge devices such as smartphones or other gadgets while on the go. With a 5V 1A output, users can easily keep their devices powered up during their rides.

2. Battery Level Light: The battery comes equipped with a battery level indicator light, which allows users to easily monitor the remaining battery capacity. The light indicates the battery level through a color-coded system, making it easy for riders to gauge when they need to recharge.

3. Anti-theft Lock: To ensure the safety and security of the battery, it is equipped with an anti-theft lock. This feature provides peace of mind for users, as it helps prevent potential theft or accidental detachment of the battery from the e-bike.

4. Perfect Accessories: The package includes a fast charger, a set of keys for the anti-theft lock, a pair of male and female connectors, and of course, the battery itself. This comprehensive accessory package ensures that users have everything they need to install, maintain, and recharge their e-bike battery.

5. Long Lifespan: With a life expectancy that is twice that of lead-acid batteries and a warranty of two years, the Joubi 48V electric bike battery offers a long-lasting and reliable power source for e-bikes. This longevity makes it a cost-effective and sustainable choice for electric bike enthusiasts.

6. Various Capacities: The battery is available in multiple capacities, including 8Ah, 10Ah, 13Ah, and 15Ah, catering to the diverse needs of e-bike riders. This range of options ensures that users can select the appropriate capacity based on their specific requirements and usage patterns.


The Joubi 48V electric bike battery is designed to be compatible with motors ranging from 250W to 1000W, making it suitable for a wide range of e-bike models. The discharge connector utilizes XT60/Anderson connectors, offering a secure and reliable connection to the e-bike motor. The battery charger operates at 54.6V/2Ah, enabling quick and efficient recharging of the battery. With a maximum constant discharge current of 30A, the battery is capable of delivering the necessary power to support the motor’s performance.

In terms of dimensions, the battery measures 90mm*110mm*360mm, providing a compact and space-efficient form factor for installation on e-bikes. Additionally, the battery is designed to withstand storage temperatures ranging from 10°C to 45°C, ensuring reliable performance in various environmental conditions.

Quality Assurance

The Joubi 48V electric bike battery undergoes rigorous testing and quality checks to ensure its reliability and performance. Each battery pack undergoes a full charge and discharge test during production, guaranteeing that users receive the full amp hour capacity they paid for. Furthermore, every lithium battery undergoes appearance and function tests prior to shipment, ensuring that only top-quality units are sent to customers.

The battery’s charge cycle exceeds 1000 times, demonstrating its durability and extended lifespan. With a life expectancy of up to 5 years, the Joubi 48V electric bike battery offers long-term value and performance for e-bike enthusiasts. Additionally, the battery features a built-in 30A Battery Management System (BMS) and a built-in battery holder, providing enhanced shockproof protection and safeguarding against overcharge, over-discharge, overcurrent, and short circuits.

Customer Support

The manufacturer of the Joubi 48V electric bike battery prides itself on offering professional and responsive customer support. Their team of experienced workers and engineers is dedicated to providing prompt assistance and solutions to customers. In the event of any issues or inquiries, users can contact the customer support team, which pledges to offer assistance within 24 hours.


In summary, the Joubi 48V 8Ah 10Ah 13Ah 15Ah Mountain Bike Battery offers a comprehensive and feature-rich power solution for electric bike enthusiasts. With its USB output, battery level light, anti-theft lock, and various capacities, it caters to the varied needs of e-bike riders. The battery’s long lifespan, robust design, and customer support further enhance its appeal and value for users. With a focus on reliability, convenience, and quality, the Joubi 48V electric bike battery stands out as a reliable and high-performance power source for e-bikes. Whether for daily commuting or off-road adventures, this battery is a worthwhile investment for electric bike enthusiasts looking for a dependable and long-lasting power solution.

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