• Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete
  • Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete
  • Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete
  • Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete
  • Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete
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Bentsai B45 Dual-Head Portable Printer (2-Inch, 46mm) – For QR Codes, Barcodes, and Graphics on Cartons, Pallets, Sacks, and Concrete

  • B45
  • 46mm
  • 1-20 Lines
  • Yes
The Bentsai B45 dual-head handheld inkjet printer features two cartridges for a large 2-inch (46mm) print height, making it ideal for logos, big characters, QR codes, HT marks, and case labeling. Its portable design suits indoor and outdoor use, especially on bulky or immovable items. Compatible with water-based ink for porous surfaces like wood and cartons, and solvent-based ink for non-porous materials such as metal, plastic, and concrete. Plus, with its built-in photoelectric sensor, the B45 easily integrates into conveyor systems for automated coding.


2 inch 50mm handheld printer

Inkjet Coding Machine For Large Characters 

The Bentsai B45 dual-head portable handheld inkjet printer is designed for large-character coding and marking. Featuring 300 dpi high resolution, it delivers crisp, legible prints on a wide range of substrates.

Dual Print Heads  Supports up to 46mm character height and 2100mm print length for large-format printing

Versatile Content Support Prints text, dates, serial numbers, logos, QR codes, barcodes, GS1 codes, and database entries

Multi-Substrate Compatibility Prints on plastic pouches, nylon bags, glass, metal sheets, concrete pipes, cartons, wooden crates, and more


Dual head coding marking printer

Portable Printer For Indoor And Outdoor Use 

The Bentsai B45 handheld inkjet printer is built for mobility and flexibility. Its lightweight, compact design makes it ideal for coding tasks in indoor facilities and outdoor environments. The intuitive 5-inch touchscreen enables instant input and seamless printing.

Ultra-Lightweight Design-Weighs only 460g for effortless transport and operation

Multi-Color Cartridges-Supports water- and solvent-based inks in multiple colors for different substrates

Battery & AC Power Compatibility –Up to 8 hours battery runtime or continuous plug-in use for reliable performance anywhere


large character portable printers

Positioning Plate For Precise Coding And Marking 

The Bentsai B45 handheld inkjet printer uses a metal positioning plate to improve print accuracy. It helps stabilize manual operation on curved or uneven surfaces and keeps text aligned.

Enhanced Manual Precision–Improves alignment and stability when printing on irregular surfaces

Ideal for Static Objects–Perfect for coding large, immovable items in both indoor and outdoor environments


2 inch 50mm handheld printer

Inline Conveyor Coding Option

Integrate the Bentsai B45 into your production line for hands-free, automated coding.

Conveyor Integration– Includes photocell sensor and mounts easily to production systems for inline printing

Continuous Coding–Supports batch numbers, expiration dates, and variable data on moving packages





Product Videos



Printer System


Display5" HD Touch Screen
Operation SystemLinux System
System Languages

English / German / French / Italian / Spanish / Portuguese / Slovenian / Serbo-Croatian / Czech / Bulgarian / Romanian / Polish / Greek / Hungarian / Russian / Ukrainian / Slovak / Arabic / Persian / Turkish / Chinese / Traditional-Chinese / Japanese / Korean / Hindi / Thai / Vietnamese / Indonesian / Burmese / Hebrew (Available languages vary for different regions) 

Embedded Memory4G
Status AlarmGreen: Ready  |  Blue: Printing  |  Red: Alarm
Battery6000mAh #18650 lithium ion batteries x 2  |  Operating time up to 8 hours
Working EnvironmentStorage: -20℃-55℃  |  Working: 5℃-35℃  |  Humidity: 10%-80%
Application ModeHandheld/Inline
Power PortsUSB-C 9V/5A Battery Charging
I/O Ports

USB-A, USB-C, Power port, Sensor port, Beacon port

Accessories

Ink Cartridge *2, U-Disk *1, Detachable Auxiliary Roller *1 , Positioning Plate *1,  AC/DC Power Adaptor *1, Photocell Sensor *1


Printing Features


TechnologyThermal Inkjet Printing Technology
Coding & Marking TypeText, Numbers, Images, Logo, 2D codes, Barcodes, Dates, Counter, Database and etc.
Image FormatsJPG, JPEG, PNG, BMP
Barcode FormatsCode 128,Code 39,EAN-8,EAN-13,UPC-A,ITF 2 of 5, ITF-14
2D Code FormatsQR Code,QR Code,GS1 DM
FontsTrue type fonts, Dot-matrix fonts 
Printable Materials

Water-based ink for porous and semi-porous substrates: Paper / Corrugated box / Wood / Fiberboard / Textile and etc.

Solvent-based ink for semi-porous and non-porous substrates: Plastic / Glass / Metal plate / Alu-foil / Cable and etc.

Ink Throw Distance2mm-5mm (Distance between nozzle plate and print object)
Gray Level Options1-10
Ink Cartridges Colors

Water-based Color options: Black, Cyan, Magenta, Yellow, Green

Solvent-based Color options: Black, Cyan, Magenta, Yellow, White, Green

Print Height2.5mm-46 mm (1-20 Lines)
Resolution300 dpi
Max Print Size46 mm * 2100 mm
Max Pixel Size566px*12800px
Max Print Speed60m / min


Product Models


Model NameB40 (Supports water-based cartridges only) /B45 ( supports both water- / solvent- based cartridges)
Printheld50mm /2"(25.4mm*2)
Operating ModeHandheld/Inline
Dimension160mm*80mm*280mm
Weight900g
Packaging378mm*178mm*270mm   |  3700g

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