Chargery BMS24P Owner'S Manual Download Page 1

Revised : 28/2/2020 

 

BMS8P

 

for 2S-8S LiPo/Li-ion, LiFe & LiTO

 

Low power consumption 

High accuracy 

2.8” TFT LCD display 

Programmable 

Chargery BMS8P  

Battery Management System for 2S-8S LiPo/Li-ion, LiFe & LiTO 

Low power consumption, High accuracy, 2.8” TFT LCD display, Programmable 

 

Owners Manual 

 V 4.3 

 

Main Unit Software Version 4.05 

LCD Unit Software Version 4.03 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for BMS24P

Page 1: ...on High accuracy 2 8 TFT LCD display Programmable Chargery BMS8P Battery Management System for 2S 8S LiPo Li ion LiFe LiTO Low power consumption High accuracy 2 8 TFT LCD display Programmable Owners M...

Page 2: ...ences for additional installation operational tips Overview The Chargery BMS8P is designed especially for LiPo LiFe and LiTo battery packs applied to Energy Storage Systems and Electrical Vehicles inc...

Page 3: ...ine 28 SOC Calibration 31 Balancer 33 Balancing Indicator 34 Cell internal resistance Impedance test 35 Charge and discharge relay lectotype for BMS8P 37 Current Calibration Shunt 38 Firmware Upgrades...

Page 4: ...al Equipment Voltage Calibration 53 Supplemental Reference Documents Video links 55 Supplemental BMS power consumption 56 Frequent questions 57 Improve cell voltage accuracy 59 Improve current reading...

Page 5: ...not exceed the battery manufacturer s suggested maximum charge and discharge rates 9 Carefully follow the battery pack manufacturer s recommendations and safety advice Warning 1 The Current shunt must...

Page 6: ...dule size 96 80 24 L W T mm or 3 8 3 2 0 95 L W T inch 12 Display module weight 130g 13 Warning LED 11000mCd 2 0V 20mA 14 Warning beeper 85dB 12V 25mA 15 Package AL alloy case Protection functions 1 C...

Page 7: ...S8P V4 3 www chargery com page 7 total 62 Version History Software Version of LCD unit Description V4 03 Released first time Software Version of main unit Description V4 05 first released Hardware Des...

Page 8: ...temperature so BMS8T cannot update to BMS8P only by update software And the BMS can balance cell voltage continuously to save balance time by speed up balancing even at 1 2A per cell o Minimum current...

Page 9: ...ge 600A shunt and standard accessories Standard accessories included in BMS unit USB data cable Update main unit and LCD unit Cell Balance wire connect cell to BMS balance port 600mm DCC Relay control...

Page 10: ...shunt is used for the BMS8P it is delivered with BMS and other standard accessories The BMS8P detects the charge and discharge currents using the same shunt All supplied shunts are voltage and current...

Page 11: ...and discharge is on common port or separate port The DCC has different hardware on both type port Notes If without DCC BMS will only warn by Beeper sound and LED flash One DCC can be used in a Common...

Page 12: ...0 C Turn on temperature automatically 80 C 80 C 80 C Current mode bi directional Size L W H mm 105 55 40 105 64 55 105 90 55 142 105 55 Weight Kg 0 3 0 45 0 7 1 2 Operating Ambient Temperature 40 to 8...

Page 13: ...ect between BMS relay controller port and DCC There is two LEDs One indicate charge control signal another indicate discharge control signal As below When over charge triggered BMS cut off charging th...

Page 14: ...n and Separate Port BMS Current sensor shunt Battery Pack fuse Charger Inverter Chargery DCC ISO board Battery Battery BMS relay controller DCC on Common port connection BMS Current sensor Battery Pac...

Page 15: ...tery Pack ISO board Battery Battery BMS Relay controller DCC on Separate and common port connection Inverter as load and charger Solar panel charge battery too Solar Charger Inverter charger Chargery...

Page 16: ...When the batteries have reached floating level they will send less current through the magnetising field of the alternator in order to limit the output When BMS cut off charging by open DCC or relay...

Page 17: ...LiPo LiFe LiTo Battery Management System BMS8P V4 3 www chargery com page 17 total 62 Common port DCC connection diagram with 2 8S batteries...

Page 18: ...LiPo LiFe LiTo Battery Management System BMS8P V4 3 www chargery com page 18 total 62 Separate port DCC connection diagram with 2 8S batteries...

Page 19: ...32 data To modify the parameters in setup please reconnect the Display Module no data can be written to the BMS from an external application at this time The BMS8P can be used with any lithium battery...

Page 20: ...imum settings BMS8P will force cutoff charge discharge to protect the battery 8 Minimize the power consumption by draw current from all cells or external power supply 9 Dual power design the unit can...

Page 21: ...LiPo LiFe LiTo Battery Management System BMS8P V4 3 www chargery com page 21 total 62 Interface BMS8P Main Module BMS8P Display Module...

Page 22: ...l voltage is UNDER setup values Otherwise the BMS8P will output 12V power the coil to close the relay when everything is within programmed settings The relay must be a Normally Open type COM1 The COM1...

Page 23: ...BMS8P and version the battery type and cell count interface is displayed Three battery types LiPo LiFe and LTO can be selected Cell count range is 2S to 8S the cell count will be identified automatica...

Page 24: ...value flash and press UP or DOWN to change the value Press SET START button quickly to confirm the change After finishing all of the setup press SET START for 3 seconds to save quit the setup menu 3 W...

Page 25: ...90 1 Temperature Protection Battery Temperature 30 50 80 1 Difference Diff of battery Temperature Temp 5 10 30 1 Voltage balance Protection Difference Diff of cell voltage 5 30 300 1 mV Others Tempera...

Page 26: ...6 Battery start voltage when minimum cell voltage over the setup value the balancing will start automatically 7 Balance Stop Diff Voltage Setup the minimum cell difference when the difference of the c...

Page 27: ...far as WH it is battery voltage x AH but the battery is not stable during charge or discharge so the WH is not stable and change with voltage going up or down There are four voltage parameters for any...

Page 28: ...UP button to choose the item and press SET START until the selection blinks then press DOWN UP button to modify finally press SET START button to run the BMS8P or wait for 8 seconds start automaticall...

Page 29: ...gered the BMS8P will go to the interface and display error information Such as if the battery connection has broken down and the cell count is wrong an ERROR will be displayed in turn If the cell volt...

Page 30: ...ttery status will be STORAGE When balance setup is on Please check if the cell voltage difference is going down if the difference changes will slow But the yellow bar is displayed means the cell is in...

Page 31: ...H and AH SOC is estimated based on battery voltage WH and AH is calculated according to WH and AH settings Take a 16S 10AH LiPo battery as a sample If SOC estimated is 20 AH setting is 10AH WH setting...

Page 32: ...al setting When this occurs you can setup new WH and AH if the original is 100wh you can change it to 90WH then the BMS will update SOC display to 100 4 After SOC calibration the voltage can be set ag...

Page 33: ...apacity and the more cell difference voltage there is the balancing time will be longer The battery discharge platform voltage is storage voltage so when the average cell voltage is just cell storage...

Page 34: ...cell voltage in Storage Charging or Discharging The yellow bar will be displayed after cell voltage reading when cell are not in balancing mode the yellow bar will be not displayed Example below Balan...

Page 35: ...r reactions polarization in the battery Ideally internal resistance measured by instantaneous voltage change after a current pulse or interruption However when it comes to surements time resolution re...

Page 36: ...is 19 2mohm and the difference of each cell resistance is 1 7mohm All cell internal resistance total battery internal resistance cell internal resistance difference and the current when measure intern...

Page 37: ...apacity should be 1 2 times over the actual charge discharge current If the discharge current is 100A a 120A relay for discharge is suitable 2 If the BMS8P is powered by external power supply the exte...

Page 38: ...Current choose second line Current In Charge Press SET START make the current blink Quickly press UP DOWN increase the current to the new value up to 100A it must be less than current shunt it is bet...

Page 39: ...but this is very difficult to do because discharge current depend on the load applied If using an electric load and set the discharge current such as 30A on CC mode the electric load can make the disc...

Page 40: ...n load update tool software new firmware for BMS main unit and LCD unit Generally windows PC can identify BMS and communicate with BMS successfully as right image COM3 If the below image or others wit...

Page 41: ...p the update tool software and run the software choose correct COM port See right image choose COM3 4 Click OPEN button lock the port please 5 Click Open File button load the firmware file The file sh...

Page 42: ...e NOTES a If display update time over or don t display any COM port please run update tool software again the software version must be V1 03 b The update tools current only supports Windows c After BM...

Page 43: ...1 socket connecting to 2S 8S battery pack 1 There is 1 socket connecting to 2S 8S battery pack 2 2S 3S battery connected to the socket 1 directly but an external power supply is required 3 8S configur...

Page 44: ...LiPo LiFe LiTo Battery Management System BMS8P V4 3 www chargery com page 44 total 62 4s 4s with single BMS8P configuration example...

Page 45: ...with single Nissan Leaf battery 6P8 iFe LiTo Battery Management System BMS8 single BMS8P configuration example Nissan Leaf battery 6P8S with BMS8P configuration example iFe LiTo Battery Management Sy...

Page 46: ...ot be larger than 2 5A In this configuration the Charge Relay should be 1 25 times the maximum amperage provided by the charging devices The Discharge Relay should be 1 25 times the maximum amperage d...

Page 47: ...s are capable of handling equal amperage Example 2000W 12V 166A X 1 25 208A 2000W 24V 83 3A X 1 25 105A ATTENTION Fuses DC Breakers are not shown Please use Best Practices and install appropriate fuse...

Page 48: ...m BMS8P V4 3 www chargery com page 48 total 62 4p4s Cell configuration with BMS8P 600 example ATTENTION Fuses and Breakers should be installed according to your specific application and usage Failure...

Page 49: ...S without cell balancer 300A charge discharge BMS16T For 2S 16S 1 2A balance current per cell 600A max charge discharge BMS24T For 2S 24S 1 2A balance current per cell 600A max charge discharge C3060...

Page 50: ...other brand of charger BMS8P only OPEN the Charge relay if the charge current is too high such as over 10A the relay will open and close repeatedly The relay life cycle will be shortened and charge ti...

Page 51: ...ximum anticipated Amperage throughput that is expected Relays capable handling more amperage than expected will not cause any issues Example If you know you will never exceed 100A Load Draw or Charge...

Page 52: ...t Components Required DC 12V 2 Channel Relay Module with Isolated Optocoupler Triggered by DC 12V NOT 5 5V or 3 0V Support minimum of 5A 10A is typical 12VDC Power Source Can be from Battery or a Step...

Page 53: ...the Voltage seen at the Battery Terminals of the Controller 6 If you have an external AC to DC charger connected as well check the voltage at the terminals of the charger and note them as well You wi...

Page 54: ...data sheets from the Manufacturer for the cells you are using they vary quite a bit Don t make the BMS do the work it shouldn t do The BMS of course will cut off for High Low Volt etc but this is not...

Page 55: ...on with Nissan Leaf battery http www chargery com Video BMS24T_C10325_operation_instructions mp4 5 Current calibration How to calibrate Chargery BMS Shunt BMS24T BMS24T BMS24T 6 BMS current calibratio...

Page 56: ...current is far more than BMS working current to avoid any cell being over discharged please operate as below a If the battery is not in use exclude charging please disconnect coil driven wire b If sto...

Page 57: ...e 5 Charge or discharge current display is not stable or wrong a The wire length from current shunt to battery negative should be as short as possible b Check charge current or discharge current rippl...

Page 58: ...ng b The highest cell voltage is over Over Charge Release R Voltage setting c Charging current is over Over charge current setting d Battery temperature is over high temperature cutoff setting e Batte...

Page 59: ...nt will affect cell 1 and cell 4 voltage measurement the cell voltage will be lower 15 battery positive and negative can be connected to external power supply socket but need a he connection diagram i...

Page 60: ...he vehicle 2 Locate the inverter as far away from the EMI receptors like radio audio and video devices as possible 3 Keep the DC side wires between the battery and the inverter as short as possible 4...

Page 61: ...n charge or discharge current is over setting the BMS will cut off charge or discharge without any delay the current value and HIGH will be flashed in turn It is named as over current protection When...

Page 62: ...ssory will be replaced or repaired Your Vendor Dealer is your first point of contact for warranty issues Return postage costs are the responsibility of the user in all cases Please submit copy of orig...

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