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Model
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DALY SMART BMS: Y-series 30-60A(YH) 80-100A(YK) 150-200A(YM)
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Optional strings range：4-8S 7-17S 7-24S
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Optional current range：30A 40A 60A 80A 100A 150A 200A
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Usage Scenario
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Used in RV energy storage,photovoltaic energy storage,home and outdoor energy storage,electric vehicles,tricycles,forklifts,tourist vehicles,golf cart etc.
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Support Customization
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Bulk orders can customize functions,parameters,logo.
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Support OEM
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Standard BMS, smart BMS all can be customized
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For details, please contact customer service
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How to choose the right BMS
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Attention
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Illustration
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Mismatched BMS Consequences
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Lithium
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BMS type and lithium battery type must be in
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1、BMS damaged,even bms and battery burn out
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battery type
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one-to-one correspondence（Li-ion/Lifepo4)
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2、The battery cannot be fully charged and discharged
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Number of battery pack
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BMS strings and battery strings must be in
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BMS and battery burn out
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strings
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one-to-one correspondence
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Selection method
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load maximum power÷(string number of battery×overdischarge voltage)×coefficient
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in experience
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Depending on the battery usage scenario, the coefficient value is also different
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Please consult customer service for specific values
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Specialty
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Bluetooth function:You can monitor battery data in real time by connecting to the APP
BMS built-in Bluetooth
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Superiority
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1、High-quality microelectronic components：precise and fast IC.Low resistance,high withstand voltage MOSFET.
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2、Through the Bluetooth APP, the battery data is constantly monitored.
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3、A variety of accessories,can easily control the data and modify the parameters.
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4、A variety of communication modes,data monitoring,alarm backtracking,data reading, and upgrade can be easily realized
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5、Thermal silica,accelerate the heat dissipation.Ensure the smooth operation of the battery.
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6、Preset interface,buckle cable,make the connection more convenient.
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Basic Functions
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Over-charging protection
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Over-discharging protection
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Over-current protection
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Temperature protection
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Disconnect protection
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Short Circuit Protection
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Balance Function
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Short Circuit protection recover
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Package Contains
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BMS*1pcs
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Sampling cable*1pcs
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Temperature probe(NTC)*1pcs
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B+ cable *1pcs
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English manual *1pcs
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Optional accessories
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UART to USB cable
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Battery Capacity Indicator
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Touch screen LCD
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Customization
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soft switch
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RS485 and CAN Communication
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key switch
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DO/I port for special needs
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Optional accessories, customized accessories must match the BMS model and be purchased at the same time.
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please contact customer service for details
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Balance cable connection
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Find the total positive and total negative of the battery pack.
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Find B-/P- of BMS
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Insert temperature probe (NTC) into the BMS
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Note: When soldering, the balance cable cannot be inserted into the BMS
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(1)Weld Sampling cables: Start from thin black wire to B- (total negative),then connect each cell's positive in order. Last red wire to B+ (total positive)
*Note: Do NOT plug into BMS during welding. Insulate unused wires.
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(2)Check voltages: Use multimeter or wire tester to confirm each cell'svoltage is normal. Fix any miswiring or poor soldering.
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(3) Weld output wires: Secure B- and P- to BMS with 10N·m torque; weld B-to battery negative.
*Note: Insulate P- before final connection.
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(4) Plug NTC and Sampling cable: Insert NTC, then plug sampling cable toauto-activate BMS.
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Measure whether the battery voltage（B+→B-)is consistent with the output voltage of the BMS(B+ P-).
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If the two voltage values are equal, it means that the BMS is working normally.
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Passive Equalization
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3.4V
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≥20mV
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100±30mV
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1.Reach the set balanced start voltage
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2.The highest voltage reaches the set balanced start voltage difference.
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