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We provide safe, well-designed and high performance standard BLUE JOY battery pack for you. 
The battery Pack is compact, easy to install free of maintenance and used as the building block 
of energy storage system by assembling in parallel. Battery packs are suitable for commercial 
use, industrial and domestic power supply, agricultural power needs, and more.
This manual contains all the information necessary to install,use and maintain the BLUE JOY 
battery. We kindly ask you to read this manual carefully before using the product.
This manual is meant for the installer and the user of the BLUE JOY battery. Only trained and 
qualified  staff  may  install  and  perform  maintenance  on  the  BLUE  JOY  battery.The  BLUE  JOY 
battery may not be used for any purposes other than described in this manual. Using the BLUE 
JOY battery for any other purpose will be considered improper use and will void the warranty of 
the product. We cannot be held responsible for any damage caused by improper, incorrect or 
unwise  use  of  the  product.Read  and  understand  this  manual  completely  before using the 
product.  During  the  use  of  the  product,  user  safety  should  always  be  ensured,  so  installers, 
users, service personnel and third parties can safely use the BLUE JOY battery.

48V 200AH LITHIUM ION BATTERY BANK

1. Technical Parameters

Model: BJ48-200(U)
Rated voltage: 51.2V 
Standard capacity: 200Ah 
Continuously use input current: 100A 
Continuously use output current: 100A 
Charging voltage: 57.6V-60V 
Cut-off: 2.5V single cell 
Self-Discharge(  25℃): <3%/month 
Depth of discharge: Up to 95% 
Charge method ( CC/CV ): Operation: -20℃—70℃; Recommendation: 10℃—45℃ 
Cycle life: 6000times
Warranty: 5years 
Size : 1215*475*167mm
Weight:136KG

1

Summary of Contents for BJ48-200

Page 1: ...BLUE JOY LITHIUM ION BATTERY BANK USER MANUAL 51 2V 200AH BJ48 200 BJ48 200U After sale service hotline Service Department contacts After sales Service Email info bluejoysolar com ...

Page 2: ...for any purposes other than described in this manual Using the BLUE JOY battery for any other purpose will be considered improper use and will void the warranty of the product We cannot be held responsible for any damage caused by improper incorrect or unwise use of the product Read and understand this manual completely before using the product During the use of the product user safety should alwa...

Page 3: ... and discharge temperature protection position 4 Very low static consumption current 5 Smart communication interface RS485 UART CAN 2 Interface and protection functions No 2 3 4 5 6 Label UART CAN RS485 Functions Description Communication with the upper computer Communication with external devices Communication with external devices Meter the battery capacity voltage current Name UART communicatio...

Page 4: ...Replace it with a new BLUE JOY battery According to the characteristics of the cells it is necessary to create a suitable environment for the transportation of lithium iron phosphate battery packs to protect the batteries The battery should be stored in a dry clean and well ventilated warehouse at 20 45 The self discharge 25 C of the BLUE JOY battery is 3 per month 1 Store the battery in a cool an...

Page 5: ...the battery be careful not to fall or tip over All equipment must be steady during installation 5 3 Installation When the battery arrives at the installation site it must be loaded and unloaded properly and prevented from the direct sunshine and rain Before installation check if there is any component missing according to packing list attached in the packing box and check whether the box appearanc...

Page 6: ...front panel about 10cm and take the coulometer and switch from it 4 It is recommended that four persons make the battery stand up recommended setting height 50cm from bottom 2 Unscrew the screw at the grounding hole on the front panel of the battery BJ48 200 battery1 battery2 BMS battery1 battery2 BMS ...

Page 7: ...connected Before pulling out the cable press the small button next to the terminal When multiple batteries are connected in parallel in order to reduce the influence of the circular current the overall positive and negative output cables can be connected from different batteries 5 4 Activation Before activation check again if all cables are properly and firmly connected also make sure there is no sho...

Page 8: ...ally identify and detect charge and discharge current no need to change the wiring direction Complete warning alarm The meter has multiple settable warning alarm such as over voltage alarm over current alarm low voltage alarm low capacity alarm high temperature alarm etc Cut off memory Auto memorizing the battery capacity value and percentage before the power cuts off Visualized setting menu Easy se...

Page 9: ...lower than this value and the voltage number flashes the beeper rings every 0 5s When the battery capacity is lower than this value and the capacity percentage and the battery icon flashes the beeper rings every 0 5s When the battery temperature is higher than this value and the temperature number flashes the beeper rings every 0 5s This model does not equipped with this function When the displayed v...

Page 10: ...ery till empty and press the button for 3s to zero the capacity Then charge you battery till it s full Normally when the batteries are full the capacity should be 100 on the monitor If not press the button for 3s to fill the capacity with the battery charger attaching Manual mode complex for professional This mode is for people who know their batteries very well and need to monitor the battery stat...

Page 11: ...d to full for the monitor to work as setting 6 7 Parameter Chart 6 8 FAQ Compatible Battery Type Test Voltage Range Test Current Range Test Capacity Range Test Power Range Time Recording Temperature Display Working Current Accuracy Voltage dpi Current dpi Voltage Display Capacity Display Power Display 0 999mAH 1 00AH 9 99AH 10 0AH 99 9AH 100AH 999AH 1 00KAH 9 99KAH 10 0KAH 99 9KAH 0 0 99 9W 100W 9...

Page 12: ...ge is not at 0 when the battery is empty you need to adjust that manually Check 09CZ in the setting detail chart Q My battery has been used for a long time and i don t know its actual capacity What should i do A Empty your battery and zero the monitor by pressing the button for 3s Then recharge the battery till full and press the button for 3s to fill the capacity if it s not filled automatically Q ...

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