Performance Analysis of Lithium-Ion Batteries on Electric Bike With 350 W BLDC Motor Denny Haryanto Sinaga 1 , Muhammad Aulia Rahman Sembiring 2 , Rudi Salman 3 , Arwadi Sinuraya 4 , Bobby Hernando 5 , M. Azmi Aulia 6 {denny.sinaga@unimed.ac.id 1 , marsembiring@unimed.ac.id 2 , rudisalman@unimed.ac.id 3 , arwadisinuraya@unimed.ac.id 4 , bobbyhernando@mhs.unimed.ac.id 5 , mazmiaulia01@mhs.unimed.ac.id 6 } Department of Electrical Engineering, Universitas Negeri Medan, Jl. Willem Iskandar Pasar V, Medan, North Sumatera, Indonesia Abstract: Developing automotive technology makes researchers pay more attention to carbon emissions produced by vehicles, therefore the energy transition from motorized vehicles to electric cars is a program that will be intensively carried out in 2023. Batteries are an important element as an energy source in Electric vehicles. Research on the use of Lithium-ion batteries for electric bicycles needs to be carried out to see the performance of the batteries used in electric bicycles. The electric motorbike in this study uses a 350 W BLDC Hub Wheel Drive motor with a 12 Ah Lithium-Ion Battery. The results of this research are the performance values for using Li-Ion batteries on electric bicycles. Keyword : Performance, Battery, Lithium-Ion, Electric Bike, BLDC Motor 1 Introduction Electric bikes have become increasingly popular for short-distance transportation purposes. The use of electric bikes can reduce emissions, air pollution, and traffic congestions in urban areas. An electric bike is powered by a battery that supplies energy to the motor. The performance of the battery can be affected by various factors such as battery capacity, motor power, and speed. The choice of battery type can also affect the electric bike's performance. It is important to study the performance of different battery types on electric bikes to optimize their use in urban transportation[1]. Brushless DC (BLDC) electric motors are now commonly used as the main drive system in electric vehicles. This motor combines a rotor designed with permanent magnets and a stator equipped with windings to produce a magnetic field [2]. BLDC motors are known for their high efficiency, reliability, and longer service life, although they are relatively more expensive. To electronically switch the polarity of a BLDC motor, a combination of a hall effect sensor and a rotary encoder is used [3]. In electric bicycles, the battery is one of the most important components which functions as the main energy source for the entire electrical system. It also functions as a storage medium for electrical energy during the charging process and powers various electrical components, ICIESC 2023, October 24, Medan, Indonesia Copyright © 2024 EAI DOI 10.4108/eai.24-10-2023.2342126