InvenSenseMPU-6050 accelerometer and gyroscope module (GY-521)Sensor typeMotionInterfaceI2C3.3 V logic ready✓€4.50GY-521132 pcs
LG ChemLG INR18650-MJ1 Li-ion cell 3500 mAhSupply voltage3.6 VMax. current10 APower product typeLi-ion cell€6.50INR18650MJ1180 pcs