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Mean Well NPB-1200-12 Battery Charger 1176W 12V - Suitable for Lead-acid and Li-ion 70A
Mean Well NPB-1200-12 Battery Charger 1176W 12V - Suitable for Lead...
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NPB-1200-12 is the model of this series: typical efficiency 92%.
NPB-1200 is a miniaturized, versatile, and ultra-wide 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 and 42~80V 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-1200 can pair with MEAN WELL's SBP-001 programmer for digital configuration, such as 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 appliance EN60335-1/-2-29 dual safety and 3-year warranty to guarantee reliable operation. The NPB-1200 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; Please refer to page 8 for setting)
- Built-in CANBus protocol for control, setting and monitoring
- 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)
- Carry 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)
- 14.4V
- FLOAT CHARGE VOLTAGE(Vfloat)(default)
- 13.8V
- CHARGE VOLTAGE RANGENote.3
- 10.5 ~ 21V
- MAX. OUTPUT CURRENT(CC)Note.4
- 70A
- MAX. POWERNote.4
- 1176W
- RECOMMENDED BATTERY CAPACITY (AMP HOURS)Note.5
- 240 ~ 800AH
- 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
- 92%
- AC CURRENT (Typ.)
- 12A/115VAC 6.5A/230VAC
- INRUSH CURRENT (Typ.)
- COLD START 50A at 230VAC
- LEAKAGE CURRENT
- <1mA/240VAC
PROTECTION
- SHORT CIRCUITNote.8
- Protection type : Constant current limiting, charger will shutdown after 5 sec, re-power on to recover
- OVER VOLTAGENote.9
- 21.5 ~ 26V; 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 or 3 stage selectable through DIP S.W on panel
- CHARGING PARAMETERS ADJUSTABLE
- Programmable: Constant current(CC),Tapper current(TC), Constant voltage(CV) and Float voltage(FV) can be set through SBP-001 with computer; 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 8); 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)
- 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
- CB IEC62368-1,IEC60335-1/2-29, Dekra BS EN/EN62368-1,BS EN/EN60335-1/2-29, UL62368-1, EAC TP TC 004 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) Class B; Radiated: BS EN/EN55032 (CISPR32) Class A; Harmonic Current: BS EN/EN61000-3-2 Class A; Voltage Flicker: BS EN/EN61000-3-3 -----
- EMC IMMUNITY
- ESD: BS EN/EN61000-4-2 Level 3, 8KV air ; Level 2, 4KV contact; Radiated: BS EN/EN61000-4-3 Level 2, 3V/m; EFT / Burst: BS EN/EN61000-4-4 Level 2, 1KV; Surge: BS EN/EN61000-4-5 Level 3, 1KV/Line-Line,Level 3, 2KV/Line-Earth; Conducted: BS EN/EN61000-4-6 Level 2, 3Vrms; Magnetic Field: BS EN/EN61000-4-8 Level 1, 1A/m; Voltage Dips and Interruptions: BS EN/EN61000-4-11 >95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods
OTHERS
- MTBF
- 517.5K hrs min. Telcordia SR-332 (Bellcore) ; 47.5K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 250*158*67mm (L*W*H)
- PACKING
- 1.93Kg; 4pcs/ 10Kg / 1.72CUFT
NOTE
- 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, 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). 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. All the EMC tests are been executed by mounting the unit on a 600mm*900mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. 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
- Robotic lawn 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
Datasheet1
Certificates7
Test reports1
FAQ
Is the Mean Well NPB-1200-12 suitable for both lead-acid and lithium batteries?
Yes. This model is specified for both lead-acid and Li-ion battery charging, making it suitable for buyers managing mixed battery chemistries across equipment fleets or industrial systems. It is a 12V-class charger whose charge voltage can be programmed from 10.5 to 21V with the SBP-001.
What kinds of applications is the NPB-1200-12 best suited for?
The NPB-1200-12 is aimed at high-power 12V battery charging applications that need a reliable industrial charger rather than a light-duty consumer unit. Its 1176W output, 70A max charging current, programmable charging settings, and CANbus support make it a strong fit for OEM, fleet, and equipment-based battery charging environments.
How does the NPB-1200-12 differ from a basic fixed-output battery charger?
This model offers more control and integration features than a basic charger. It includes built-in CANbus, selectable default charging curves, adjustable 2-stage or 3-stage charging, and programmable charging voltage, current, and timeout through the SBP-001 interface. That makes it better suited to professional applications where battery behavior and charging logic need closer control.
Can the Mean Well NPB-1200-12 operate in demanding environments?
It is designed for wide-temperature operation from -30°C to +70°C (refer to the derating curve), which helps reduce environmental limitations in industrial or commercial settings. The charger also uses a fan whose speed depends on internal temperature and supports automatic derating at high temperature to protect performance under heat stress.
What are the main output specifications of the NPB-1200-12?
The Mean Well NPB-1200-12 is rated at 1176W maximum power with a default boost charge voltage of 14.4V (float 13.8V) and a 70A maximum charging current. It weighs 1.93 kg. These specifications place it in the high-capacity range for 12V battery charging applications.
Does the NPB-1200-12 support programmable charging and system integration?
Yes. This charger includes built-in CANbus protocol for system-level communication and allows charging voltage, charging current, and timeout to be programmed through the SBP-001. In auto ranging mode (lithium batteries with BMS), charging current can also be adjusted from 50% to 100% via the panel potentiometer, giving buyers more flexibility for battery-specific charging policies.
Payment & Security
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Other NPB-1200 Models
2 other models| Model | Power | Battery Type | Battery Voltage | Charging Current | |
|---|---|---|---|---|---|
| Mean Well NPB-1200-48 Battery Charger 1209.6W 48V - Suitable for Lead-acid and Li-ion 18A | 1200W | Lithium and Lead Acid Battery | — | — | View |
| Mean Well NPB-1200-24 Battery Charger 1209.6W 24V - Suitable for Lead-acid and Li-ion 36A | 1200W | Lithium and Lead Acid Battery | — | — | View |
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