Xiaomi M365PRO Repair Manual Download Page 9 | Manualshive

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Installation

Installation process video tutorials

Xiaomi M365 BMS replacement

Xiaomi M365PRO BMS replacement

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Summary of Contents for M365PRO

Page 1: ...ic specifications 5 Pinout 6 Installation 7 Xiaomi M365 wiring diagram 7 Xiaomi M365PRO wiring diagram 8 Installation process video tutorials 9 Setting up the battery 10 Description of parameters 11 Default parameter values 14 Troubleshooting 15 Warranty and technical support 16 1 ...

Page 2: ...angerous Improper use of this equipment may cause a fire WARNING Use of this equipment requires at least basic knowledge in electronics and electrical engineering WARNING When installing this equipment read and follow the manufacturer s instructions exactly 2 ...

Page 3: ... all cells with more capacious ones It is also possible to use this BMS for any self assembled 10s battery pack A battery equipped with a repair BMS is recognized by the Xiaomi Mijia M365 M365PRO electric scooters as standard so all the original functionality is preserved In addition it becomes possible to flexibly configure many parameters for example capacity discharge curve serial number maximu...

Page 4: ...ensors is displayed in the smartphone application If the sensors detect an excess of the permissible temperature the BMS temporarily disables charging and discharging the battery Thermal fuse Irreversibly melts at a critical temperature rise of the battery completely turning off the BMS power and accordingly the charge and discharge of the battery Current fuses Irreversibly burn out at a critical ...

Page 5: ...ns Supported battery types Li ion Li pol Supported battery configurations 10s only Maximum battery capacity mA h 32000 Maximum continuous discharge current A 30 Maximum continuous charge current A 2 Effective cells balancing current mA 1 4 5 ...

Page 6: ...sitive lead Connects to the positive lead of the battery pack Balancing cable Connects to each parallel of the battery pack Charging connector Connects to the charge port of the scooter Discharging connector Connects to the ESC Rear light Connects to the rear light of the scooter Data Connects to the ESC 6 ...

Page 7: ...he positive lead of the battery pack 3 Connect the balancing wires in order starting with B0 and finishing with B10 4 Install temperature sensors and thermal fuse using a thermal compound or neutral sealant with thermal grease 5 Solder the connector that comes with the BMS to the rear light wire 6 Connect the battery to the scooter 7 To start the BMS for the first time connect the charger to the s...

Page 8: ...he BMS may irreparably fail with a loss of warranty 1 Connect the black power wire of the BMS and B0 balancing wire 2 Connect the balancing wires in order starting with B1 and finishing with B9 3 Connect the red power wire of the BMS and B10 balancing wire 4 Install temperature sensors and thermal fuse using a thermal compound or neutral sealant with thermal grease 5 Solder the connector that come...

Page 9: ...Installation Installation process video tutorials Xiaomi M365 BMS replacement Xiaomi M365PRO BMS replacement 9 ...

Page 10: ... the faulty original Xiaomi M365 board In the case of the PRO version of the scooter you must additionally configure the battery capacity And if you change cells to new ones or even assemble your own battery pack you need to configure a number of parameters to operate with the new cells Please use the M365 BMS Tool application to configure your battery Download for Android Download for iPhone 10 ...

Page 11: ... parameter Charge overcurrent delay The time after which the protection against exceeding the charge current is activated Charge overcurrent cooldown The time during which charging will be disabled after the protection against exceeding the charge current is activated Discharge overcurrent The maximum continuous discharge current exceeding which during the time determined by the Discharge overcurr...

Page 12: ... responsible for how much the parallel voltage should increase after the protection against undervoltage is triggered so that the discharge is enabled Balancing mode Three balancing options Always always balance cells except when their voltage is lower than the value defined by the Lowest voltage to balance parameter Charge Overvoltage balance cells during charging or when exceeding the maximum vo...

Page 13: ... charge will be disabled until the temperature of each temperature sensor falls below the Critical temperature Critical temperature hysteresis value Critical temperature delay Time after which the protection against temperature exceeding activates Critical temperature hysteresis Hysteresis which is responsible for how much the temperature should drop after the protection against temperature exceed...

Page 14: ...lay ms 1280 Discharge overcurrent cooldown s 10 Short circuit current A 111 Short circuit delay us 70 Short circuit cooldown s 10 Cell overvoltage mV 4200 Cell overvoltage delay s 4 Cell overvoltage hysteresis mV 100 Cell undervoltage mV 3000 Cell undervoltage delay s 4 Cell undervoltage hysteresis mV 100 Balancing mode Charge Overvoltage BMS shutdown undervoltage mV 2600 Lowest voltage to balance...

Page 15: ...the scooter is below 30 volts pay attention at the blinking LED it signals errors that disable the discharge of the battery a a short flash once per second means at least one of the parallels of the battery is discharged below the level of the Cell undervoltage parameter It is important to understand why this happened If the battery is completely discharged and all the cells are evenly discharged ...

Page 16: ...quire a warranty exchange At the same time if you are a skilled guy be free to order and install the BMS it s quality is proved by years and hundreds of installations I just protect myself from unqualified customers by voiding the warranty If you did not find the answer to your question after reading this manual please feel free to ask your questions in the special telegram group Xiaomi M365 PRO 1...

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