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NPB-1200 series

NPB-1200 series
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NPB-1200 series

Product catalog summary
Features:
  • Ultra-wide charging voltage range: 10.5~21V, 21~42V, 42~80V.
  • Built-in CANBus protocol for control, setting, and monitoring.
  • Programmable 2/3 stage charging and charging curves via SBP-001 or manual DIP switch.
  • Multiple protections: short circuit, overvoltage, overtemperature, battery undervoltage, and reverse polarity.
  • Temperature compensation function for lead-acid batteries.
  • Wide operating temperature range: -30℃ to +70℃.
  • Remote ON/OFF control and smart programmer available.
  • Complies with dual certification standards: 62368-1 and 60335-1/-2-29.
  • Suitable for lead-acid and lithium-ion batteries.
  • 3-year warranty.
Applications:
  • AGV, E-Bike, E-Scooter, camping car, bus, specialty vehicles.
  • Robotic lawn mower, washing robot.
  • Recreation craft, personal yacht, or workboat.
  • Surveillance system, telecommunication base station, radio system backup solution.
  • Equipment or instruments with backup battery.
Specifications:
  • Rated wattage: 1200W.
  • Output voltage options: 12V, 24V, 48V.
  • Efficiency: 92-94% depending on model.
  • Input voltage range: 90~264VAC, 127~370VDC.
  • Frequency range: 47~63Hz.
  • Power factor: >0.98/115VAC, >0.95/230VAC at full load.
  • Operating temperature: -40 to +85℃, storage temperature: -40 to +85℃.
  • MTBF: 172.5K hrs min. (Telcordia SR-332), 47.5K hrs min. (MIL-HDBK-217F).
Procedures:
  • Manual setting via DIP switch for 2/3 stage charging and 4 built-in charging curves.
  • Programmable charging curve via SBP-001 with computer connection.
  • Remote control and monitoring through CANBus interface.
Standards and Certifications:
  • Safety standards: IEC/EN/UL62368-1, EN60335-1/-2-29.
  • EMC standards: BS EN/EN55032, BS EN/EN55014-1, BS EN/EN61000 series.
Overview: The NPB-1200 is a high-reliability, ultra-wide output range intelligent battery charger designed for lithium batteries with a Battery Management System (BMS). It features an auto-ranging mode, CANBus communication, and temperature compensation.
Specifications: The charger operates at 1200W and supports a wide range of output voltages. The default factory setting for auto-ranging is OFF, suitable for lithium batteries with BMS. The auto-ranging mode automatically detects and adjusts the charging voltage based on the connected battery.
Auto Ranging Mode: This mode is enabled via DIP switch settings and is indicated by a green LED flashing three times. It allows automatic adjustment of charging voltage and current (50-100%) without manual potentiometer adjustments.
CANBus Communication: The charger supports CANBus 2.0B for monitoring and control, including settings for output voltage, current, internal temperature, and DC output ON/OFF status.
Temperature Compensation: Designed for lead-acid batteries, the temperature compensation function prolongs battery life by adjusting the charging voltage based on a sensor reading. The range is 0-40°C.
Control and Indicators: The charger features remote ON/OFF control, battery full signal, and charger OK signal, all using TTL level signals. LED indicators provide status updates, including charging stages and fault conditions.
Mechanical Specifications: The charger includes a detailed pin assignment for connectors and control interfaces. Optional accessories include a carry handle and foot pads.
Installation and Accessories: The charger comes with a remote control mating wire and an NTC sensor wire for temperature compensation. Installation instructions and optional accessories are available online.
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Catalog excerpts

NPB-1200 series-1

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger User’s Manual ‧ ‧ ‧℃℃ ‧ ‧  ‧

 Open the catalog to page 1
NPB-1200 series-2

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger BOOST CHARGE VOLTAGE(Vboost)(default) 14.4V FLOAT CHARGE VOLTAGE(Vfloat)(default) 13.8V CHARGE VOLTAGE RANGE Note.3 10.5 ~ 21V OUTPUT RECOMMENDED BATTERY CAPACITY (AMP HOURS) Note.5 240 ~ 800AH LEAKAGE CURRENT <1mA FROM BATTERY (Typ.) VOLTAGE RANGE Note.6 90 ~ 264VAC FREQUENCY RANGE 47 ~ 63Hz POWER FACTOR (Typ.) INPUT AC CURRENT (Typ.) INRUSH CURRENT (Typ.) <1mA/240VAC LEAKAGE CURRENT SHORT CIRCUIT Note.8 Protection type : Constant current limiting, charger will shutdown after 5 sec, re-power on to recover 21.5 ~ 26V 43 ~...

 Open the catalog to page 2
NPB-1200 series-3

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger Block Diagram PFC fosc : 80KHz PWM fosc : 60KHz ACTIVE INRUSH CURRENT LIMITING RECTIFIERS & FILTER POWER SWITCHING DETECTION CIRCUIT PHOTO COUPLER ISOLATION Remote ON-OFF CHARGER OK BATTERY FULL DATA ISOLATION Derating Curve OUTPUT CURRENT (%) 12V model 24V model 48V model CHARGE VOLTAGE (V) ◎ The rated current should change with the output voltage programming accordingly. File Name:NPB-1200-SPEC 2021-11-2

 Open the catalog to page 3
NPB-1200 series-4

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger Function Manual 1.Manual setting This series provides 2 or 3 stage charging curve Charging curve adjustable 4 built-in charging curves adjustable via DIP S.W 1.2 Charging curve can be adjustable via DIP S.W on panel ◎ 2 stage charging curve ◎ Default 3 stage charging curve Charge Voltage Cut off for stop charging Charge Current Color of LED Loading Indicator Constant Current Constant Voltage stage 2 Orange Battery Full Green Charge Current Constant Current ◎ Suitable for lead-acid batteries (flooded, Gel and AGM) and Li-ion...

 Open the catalog to page 4
NPB-1200 series-5

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger ◎ Embedded 2 stage charging curve ◎ Embedded 3 stage charging curve Default, programmable Pre-defined, flooded battery Default, programmable Pre-defined, flooded battery Default, programmable Pre-defined, flooded battery Pre-defined, flooded battery Default, programmable Pre-defined, flooded battery Default, programmable Default, programmable Pre-defined, flooded battery 2.Programmable charging curve Charging Curve can be set via SBP-001 with computer Step 1 Hardware configuration DIP S.W position 2 and 3 need to swith to...

 Open the catalog to page 5
NPB-1200 series-6

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger Step 2 Connect to software for setting To the personal computer USB port (Type A) 14 pins (HRS DF11-14DS)   10 pins (HRS DF11-10DS) 1 UART_RX PMBUS_D     ,  Smart programmer (Sold separately) Connector NPB-1200 14pins connector (Connector Part No.: HRS DF11-14DS)

 Open the catalog to page 6
NPB-1200 series-7

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger ※ Function Description: SBP-001 is a programmer, particularly for MEAN WELL's various programmable battery charger models to program the parameters of charging curves, such as the 2 or 3 stage selectable, Constant current (CC), tapper current(TC), Constant voltage (CV), float voltage (FV),Charging time out and so on, to accommodate the diversified battery specification in industry. With the design accounting for simplicity and convenience, users can easily configure MEAN WELL's programmable battery chargers with SBP-001 programmer...

 Open the catalog to page 7
NPB-1200 series-8

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger ※ When using the auto ranging charging curve function, please pay attention to the following: (1) Default factory setting is OFF via DC output side DIP S.W, Follow steps A1~A6 below to enable the setting. (2) Auto ranging function should use together with Lithium batteries and BMS (Battery Management System). (3) Do not exceed the output voltage and current ranges as specified in the NPB-1200 specifications (please refer to page 2). ※ Auto Ranging function by DIP S.W Setting Step Applying AC main and swith on under remote...

 Open the catalog to page 8
NPB-1200 series-9

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger 4.Auto Derating function ※ Covered by over temperature protection, auto de-rating function works under operation either in charging curve (2 or 3 stage) or under control by communication protocol(CANBus). T1(Typ.): Maximum ambient temperature of 100% output current. T2(Typ.): T1+5℃. OUTPUT CURRENT (%) PIN 9 & 10 GND-AUX PIN 11 CANH PIN 12 CANL CANBus commend list Command Code Command Name Transaction Type ON/OFF control Output voltage setting (format: value, F=0.01) Output current setting (format: value, F=0.01) Abnormal...

 Open the catalog to page 9
NPB-1200 series-10

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger Command Code Command Name Transaction Type Manufacturer's model name Manufacturer's model name Firmware revision Manufacturer's factory location Manufacturer date Product serial number Product serial number Constant current setting of charge curve (format: value, F=0.01) Constant voltage setting of charge curve (format: value, F=0.01) Floating voltage setting of charge curve (format: value, F=0.01) Taper current setting value of charging curve (format: value, F=0.01) Configuration setting of charge curve CC charge timeout...

 Open the catalog to page 10
NPB-1200 series-11

1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger 7.Battery Full Signal Battery full signal is a TTL level signal. The maximum sourcing current is 10mA. Between Battery Full (pin 5) and GND-AUX (pin 9 & 10) Battery Full 8.Remote ON-OFF Control The NPB-1200 can be turned ON/OFF by using the "Remote Control" function. Between Remote ON-OFF (pin 7) and +12Vaux (pin 8) ※ The charger is shipped, by factory default, with Remote ON-OFF(pin 7) and +12Vaux (pin 8) shorted by connector. PIN 7 Remote ON-OFF 2 9.Temperature compensation(3 stage only) Temperature compensation function...

 Open the catalog to page 11

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.