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FENVY Safer e-Bike Batteries 48V 12Ah Electric Bike Battery Review

Electric bikes, also known as e-bikes, have become increasingly popular in recent years. They offer a convenient and environmentally friendly mode of transportation for commuting, running errands, or simply enjoying a leisurely ride. One of the key components of an electric bike is the battery, which is responsible for powering the motor and providing the necessary energy for the bike to operate.

When it comes to choosing an electric bike, the battery is a crucial factor to consider. Not only does it determine the range and performance of the bike, but it also contributes significantly to the overall weight and cost of the e-bike. Therefore, selecting a high-quality and reliable battery is essential for a satisfactory e-bike experience.

In this review, we will take an in-depth look at the FENVY Safer e-Bike Batteries 48V 12Ah Electric Bike Battery. We will examine its specifications, features, and overall performance to help you make an informed decision about whether this battery is the right choice for your electric bike.


The FENVY Safer e-Bike Batteries 48V 12Ah Electric Bike Battery boasts the following specifications:
– Nominal Capacity (AH): 12Ah
– Source Resistance (m): about 40
– Cell Specification: 3.7V
– Cell Combination: 13-series
– Cell Size: 3.7V 18650
– Discharge Cutoff Voltage (V): 39+/- 1V
– Charge Cutoff Voltage (V): 54.6V
– Rated Discharge Current (A): 30A

These specifications indicate that the battery has a respectable capacity and discharge rate, making it suitable for powering electric bikes with motors of up to 1500W. The use of 18650 lithium batteries in the construction of the FENVY Safer e-Bike Batteries ensures a reliable and long-lasting power source for your e-bike.


1. Long Battery Life: The FENVY Safer e-Bike Batteries are designed to have a long battery life, thanks to their rechargeable nature and the absence of memory effect. This means that the battery can be charged and discharged repeatedly without degrading its performance, ensuring that it will last for years to come.

2. Environmental Friendliness: These batteries are safer and more environmentally friendly compared to traditional lead-acid batteries, as they do not contain heavy metals and hazardous substances. This makes them an eco-friendly choice for electric bike enthusiasts who are conscious about the environmental impact of their vehicles.

3. Built-in Protection: The FENVY e-Bike Batteries come equipped with a built-in IC chip that provides protection against overcharging, over-discharging, over-current, over-heating, and short circuits. This comprehensive protection mechanism ensures the safety and longevity of the battery, as well as the overall safety of the electric bike.

4. Vibration Resistance: The batteries are designed to withstand mechanical vibrations, reducing the likelihood of accidents caused by vibration. This feature ensures that the battery remains stable and secure during riding, further contributing to the safety and reliability of the electric bike.

Frequently Asked Questions:

1. How to store batteries in winter? Storing batteries during the winter is very easy. Basically charging 50% is enough and store it in a cool place. It is best to store the battery outside the e-bike to prevent unwanted activation.

2. The battery heats up when charging. Is there something wrong? No, that’s okay, all types of batteries generate heat during charging. The same goes for chargers.

In conclusion, the FENVY Safer e-Bike Batteries 48V 12Ah Electric Bike Battery offers a compelling combination of performance, safety, and environmental friendliness. Its robust specifications and advanced features make it an ideal choice for electric bike enthusiasts who prioritize reliability and longevity in their batteries. With its long battery life, built-in protection, and vibration resistance, this e-bike battery is sure to enhance your riding experience and provide peace of mind for miles to come.

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