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Mean Well NPB-450-48-NFC Battery Charger 450W 48V - Ultra Wide Output, NFC Programmable Charging Parameters 6.8A
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Mean Well NPB-450-48-NFC Battery Charger 450W 48V - Ultra Wide Outp...
Overview
NPB-450-48-NFC is the model of this series: typical efficiency 93%.
NPB-450 is a miniaturized, versatile, and ultra-widee voltage intelligent charger. It utilizes a fully digital control design with automatic battery voltage detection technology, with five key features including intelligent, versatile, user friendly, safe, and compact. The series have four models with output voltage ranges of 10.5~21V, 21~42V, 42~80V, and 54~100V respectively. The charging voltage range of each model is wide enough to cover a variety of different battery voltages and battery chemistries, and there is a built-in intelligent voltage detection charging mode (Note this mode is set to OFF by factory default and is suitable for lithium batteries with BMS only). The NPB-450 can pair with MEAN WELL's SBP-001 programmer for digital configuration or can be accessed through mobile APP with the built-in NFC interface(NFC models) , such as select 2/3 stage charging, adjust charging voltage/current, and set charging cycle time to protect battery lifetime. Through the user-friendly DIP S.W. on front panel, user may also directly adjust the 2/3 stage charging, current (50~100%), and select between the 4 types of preset charging curves. In addition, a CANBus communication protocol is built in to meet professional applications, which allows remote controlling and monitoring for the status of the charger. In terms of safety, it has intelligent detection for proper battery voltage and connection as well as protection from reverse polarity. It passes ITE IEC/EN/UL62368-1 and household appliancies EN60335-1/-2-29 dual safety(NFC models only pass information IEC/EN/UL62368 safety certification) and 3-year warranty to guarantee reliable operation . The NPB-450 is truly an intelligent, safe, and reliable universal charger with outstanding cost performance.
Features
- Auto ranging with ultra-wide charging voltage (10.5~21V, 21~42V, 42~80V, 54~100V ; Please refer to page 9 for setting)
- Built-in CANBus protocol for control, setting and monitoring
- Set up charging parameters easily via NFC interface(NPB-450-xxNFC)
- Programmable charging curve via SBP-001
- Manual setting for 2/3 stage and 4 built-in charging curves via DIP S.W
- Multiple protections: Short circuit / Over voltage / Over temperature/ Battery under voltage /Battery reverse polarity (No damage)
- Charger OK and Battery Full signal
- Temperature compensation function to prolong battery life (Lead-acid only)
- -30℃~+70℃ wide operating temperature
- Thermal controlled DC fan for noise reduction
- Remote ON/OFF control
- Smart programmer available (Order NO.: SBP-001 , sold separately)
- Carr y handle accessory available(Order NO.: Carry handle, sold separately)
- Comply with 62368-1 + 60335-1/-2-29 dual certification
- Suitable for lead-acid (Pb) and li-ion batteries
- 3 years warranty
Specifications
OUTPUT
- BOOST CHARGE VOLTAGE(Vboost)(default)
- 57.6V
- FLOAT CHARGE VOLTAGE(Vfloat)(default)
- 55.2V
- CHARGE VOLTAGE RANGENote.3
- 42 ~ 80V
- MAX. OUTPUT CURRENT(CC)Note.4
- 6.8A
- MAX. POWERNote.4
- 456.96W
- RECOMMENDED BATTERY CAPACITY (AMP HOURS)Note.5
- 24 ~ 80AH
- LEAKAGE CURRENT FROM BATTERY (Typ.)
- <1mA
INPUT
- VOLTAGE RANGENote.6
- 90 ~ 264VAC / 127 ~ 370VDC
- FREQUENCY RANGE
- 47 ~ 63Hz
- POWER FACTOR (Typ.)
- PF>0.98/115VAC, PF>0.95/230VAC at full load
- EFFICIENCY (Typ.)Note.7
- 93%
- AC CURRENT (Typ.)
- 4.5A/115VAC / 2.2A/230VAC
- INRUSH CURRENT (Typ.)
- COLD START 50A at 230VAC
- LEAKAGE CURRENT
- <0.75mA/240VAC
PROTECTION
- SHORT CIRCUITNote.8
- Protection type : Constant current limiting, charger will shutdown after 5 sec, re-power on to recover
- OVER VOLTAGENote.9
- 82 ~ 100V
- OVER VOLTAGE (Protection type)
- Protection type : Shut down and latch off o/p voltage, re-power on to recover
- REVERSE POLARITY
- Protected internal reverse detection, No damage, re-power on to recover after fault condition is removed
- OVER TEMPERATURE
- Shut down O/P voltage, recovers automatically after temperature goes down
FUNCTION
- CHARGING STAGE
- 2/3 stage charging can be selected through NFC
- CHARGING PARAMETERS ADJUSTABLE (Programmable)
- Programmable: Constant current(CC),Tapper current(TC), Constant voltage(CV) and Float voltage(FV) can be set through SBP-001 with computer or using NFC through APP
- CHARGING PARAMETERS ADJUSTABLE (Manual setting)
- Manual setting: 4 built-in charging curves adjustable via DIP S.W on panel, Please refer to function manual for more detail
- AUTO RANGING FOR CHARGING (Typ.)
- Please refer to functin manual for more detail (page 10); Charging current adjustable 50~100% by via potentiometer on panel (Only for auto ranging mode)
- CANBUS INTERFACE
- CANBus 2.0B, Can control, Setting and monitoring(Vo,Io,charging curve, internal temp. and DC output ON/OFF)
- NFC INTERFACE
- Set up charging parameters easily via NFC interface
- CHARGER OK
- The TTL signal out, Charger OK = H(4.5 ~ 5.5V) ; Charger failure or protection status =L( -0.5 ~ +0.5V)
- BATTERY FULL SIGNAL
- The TTL signal out, Battery full = H(4.5 ~ 5.5V ); Charging = L(-0.5 ~ +0.5V)
- REMOTE CONTROL
- Short : Charger normal work / Open : Charger stop charging
- TEMPERATURE COMPENSATION
- By external NTC
- FAN SPEED CONTROL
- Depends on internal temperature
ENVIRONMENT
- WORKING TEMP.
- -30 ~ +70℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20 ~ 95% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +85℃, 10 ~ 95% RH non-condensing
- TEMP. COEFFICIENT
- ±0.05%/℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY & EMC (Note 10)
- SAFETY STANDARDS
- Dekra BS EN/EN62368-1, UL62368-1, J62368-1 approved
- WITHSTAND VOLTAGE
- I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
- ISOLATION RESISTANCE
- I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION (Conducted)
- BS EN/EN55032 (CISPR32),BS EN/EN55014-1; Class B
- EMC EMISSION (Radiated)
- BS EN/EN55032 (CISPR32),BS EN/EN55014-1; Class B
- EMC EMISSION (Harmonic Current)
- BS EN/EN61000-3-2; Class A
- EMC EMISSION (Voltage Flicker)
- BS EN/EN61000-3-3; -----
- EMC IMMUNITY
- BS EN/EN61000-6-2,J55032(H29)
- EMC IMMUNITY (ESD)
- BS EN/EN61000-4-2; Level 3, 8KV air ; Level 2, 4KV contact
- EMC IMMUNITY (Radiated)
- BS EN/EN61000-4-3; Level 2, 3V/m
- EMC IMMUNITY (EFT / Burst)
- BS EN/EN61000-4-4; Level 2, 1KV
- EMC IMMUNITY (Surge)
- BS EN/EN61000-4-5; Level 2, 1KV/Line-Line,Level 3, 2KV/Line-Earth
- EMC IMMUNITY (Conducted)
- BS EN/EN61000-4-6; Level 2, 3Vrms
- EMC IMMUNITY (Magnetic Field)
- BS EN/EN61000-4-8; Level 1, 1A/m
- EMC IMMUNITY (Voltage Dips and Interruptions)
- BS EN/EN61000-4-11; >95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods
OTHERS
- MTBF
- 821.0K hrs min. Telcordia SR-332 (Bellcore) ; 83.4K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 205*135*55mm (L*W*H)
- PACKING
- 1.38Kg; 8pcs/ 12.05Kg / 1.71CUFT
NOTE
- 1
- Modification for charger specification may be required for different battery specification. Please contact battery vendor and MEAN WELL for details.
- 2
- All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
- 3
- This is the range when programming Vboost or Vfloat by using SBP-001 or NFC settings through MEAN WELL APP, the smart battery charging programmer.
- 4
- Refer to derating curve.
- 5
- This is MEAN WELL's suggested range. Please consult your battery manufacturer for their suggestions about maximum charging current limitation.
- 6
- Derating may be needed under low input voltages. Please check the derating curve for more details.
- 7
- The efficiency is measured at 16.8V charge voltage(12V model), 33.6V charge voltage(24V model), 67.2V charge voltage(48V model), 84V charge voltage(72V model).
- 8
- This protection mechanism is specified for the case the short circuit occurs after the charger is turned on.
- 9
- Each model incorporates a MCU-controlled dynamic over voltage protection, which is about 125% of Vboost over Constant Current stage and Constant Voltage stage whereas 125% of Vfloat over Float stage.
- 10
- The charger is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to "EMI testing of component power supplies." (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
- 11
- The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
Technical drawings
Typical applications
- E-Bike, E-Scooter, Camping car, Bus, Specialty vehicles
- Roboti law n mower
- Washing robot
- Recreation craft, Personal yacht or workboat
- Surveillance system
- Telecommunication base station
- Radio system backup solution
- Equipments or instruments with back-up battery
Downloads
::specification::
FAQ
What battery types is the Mean Well NPB-450-48-NFC designed for?
This model is suitable for lead-acid and lithium-ion batteries. It also includes temperature compensation for lead-acid charging, which can help support battery life in those applications.
What makes the NPB-450-48-NFC different from a standard fixed-output battery charger?
The NPB-450-48-NFC offers a wide 42 ~ 80V programmable charge voltage range and allows charging parameters to be set through its NFC interface. It also includes built-in CANBus support for control, setting, and monitoring, making it more flexible than a basic fixed-profile charger.
Is this charger suitable for industrial or commercial battery charging applications?
Yes, this 450W charger is aimed at demanding battery charging applications where programmable behavior and monitoring are important. Features such as CANBus communication, NFC parameter setup, built-in charging curves, and multiple protections make it a strong fit for B2B use cases.
What are the key electrical ratings of the NPB-450-48-NFC?
This model has a default boost charge voltage of 57.6V (float 55.2V), a maximum charging current of 6.8A and a maximum power of 456.96W. Those specifications make it appropriate for 48V-class battery charging applications that need a higher-power charger.
Can charging behavior be adjusted on this model?
Yes, the NPB-450-48-NFC supports programmable charging parameters through NFC, and programmable charging curves are available with the SBP-001 smart programmer sold separately. On this NFC model 2-stage or 3-stage charging is selected via NFC (not by DIP switch), and 4 built-in charging curves are selectable via DIP switch.
What protections are built into the Mean Well NPB-450-48-NFC?
This charger includes protection against short circuit, over voltage, over temperature, and battery reverse polarity with no damage. It also provides Charger OK and Battery Full signals for status monitoring.
Can the NPB-450-48-NFC operate in harsh temperature conditions?
Yes, this model is specified for a wide operating temperature range of -30°C to +70°C, with derating per the derating curve. Its built-in fan speed is controlled by internal temperature to support thermal management.
Does this charger include any warranty or compliance advantages for professional buyers?
The NPB-450-48-NFC is approved to UL62368-1, BS EN/EN62368-1 (Dekra) and J62368-1, which is relevant for buyers looking for recognized safety compliance in commercial applications. The datasheet does not state a warranty period.
Payment & Security
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Other NPB-450 Models
3 other models| Model | Power | Battery Type | Battery Voltage | Charging Current | Price | |
|---|---|---|---|---|---|---|
| Mean Well NPB-450-72-NFC Battery Charger 450W 72V - Ultra Wide Output, NFC Programmable Charging Parameters 5.5A | 450 Watt | Lithium and Lead Acid Battery | 72V | — | $141.32 | View |
| Mean Well NPB-450-24-NFC Battery Charger 450W 24V - Ultra Wide Output, NFC Programmable Charging Parameters 13.5A | 450 Watt | Lithium and Lead Acid Battery | 24V | — | $141.32 | View |
| Mean Well NPB-450-12-NFC Battery Charger 450W 12V - Ultra Wide Output, NFC Programmable Charging Parameters 25A | 450 Watt | Lithium and Lead Acid Battery | 12V | — | $141.32 | View |
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