Portable thermal printer 2 in 1 label pos receipt for mobile
Product Overview
This portable thermal printer combines receipt and label printing in one compact device. With Bluetooth and USB connectivity, 203dpi resolution and support for Android, iOS and Windows, it is suitable for mobile POS receipts, product labels, barcode labels, order information and other short-format printing applications.
Its lightweight body, rechargeable battery and 72mm printing width make it convenient for retail stores, restaurants, delivery services, warehouses, mobile businesses and field operations.
Advantages
〖Convenient〗Support bluetooth 4.0, Android, IOS and Windows function, convenient for you to print data in the device wirelessly.
〖Effectively〗High efficiency, printing speed can reach 60+/-5mm/s, clear printing.
〖Easy to Operate〗Support the smartphone control, easy operation, improving the work efficiency .
〖High Performance〗Directly-heated type printers use thermal paper instead of ink. It is smaller, quieter, faster and more energy efficient than a dotmatrix printer.
〖Application〗Taxi bill printing, management fee receipt printing, receipt printing, thermal label printing, restaurant order information printing and so on. Small and light, easy to go out to work.
Product Specifications
| Item | Specification |
| Product Number | SL-M829G |
| Item | Portable thermal printer |
| Printing Method | Thermal printer |
| Printing Width | 72mm |
| Print Command | ESC/TSPL/CPCL |
| Resolution | 203dpi |
| Printing Speed | 60+/-5mm/s |
| Printing Density | 576 dots/line |
| Character Size | 12×24, 24×24 |
| Print Interface | Bluetooth+USB |
| Connection | Android & iOS & Windows |
| RAM Memory | 512Kb |
| ROM Flash | 8M |
| Processor Frequency | 120M |
| Software Adaptation | Self-developed label & small ticket app |
| Adapter | DC 9V, 1A, 3.5mm round-hole charging port |
| Certification | Appearance patent, CCC, CE, FCC, ROHS |
| Automatic Shutdown | 20 minutes |
| Sleep Standby | 30 days |
| Printing Life | 100 kilometers |
| Charging Time | 4–6 hours |
| Paper Detection | Optocoupler detection |
| Lithium Battery | 2200mA |
| USB Type | MicroUSB interface |
| Product Weight | 0.5kg |
| Working Environment | 0–45℃ |
| Working Humidity | 20–90% |
| Storage Temperature | -10℃ to 60℃ |
| Storage Humidity | 10–90%, excluding paper rolls |
| Product Dimensions | 130×119×63mm |
| Outer Box Size | 135×137×112mm |
2 in 1 Thermal Printer for Receipts and Labels
Unlike a device designed only for transaction receipts, this 2 in 1 thermal printer can switch between small-ticket printing and compatible label printing. Businesses can use one compact machine for different daily identification and transaction tasks without preparing separate desktop devices for every application.
As a thermal receipt and label printer, it supports both continuous thermal paper and compatible adhesive label media within the printer’s allowable width and media specifications. Users can print receipts during customer transactions and then switch to labels for product identification, inventory handling or order processing.
The actual printing mode should be selected through the compatible application and command language. ESC commands are commonly used for receipt layouts, while TSPL and CPCL can support compatible label-printing workflows.
Compact Design for Mobile Operations
The printer measures 130×119×63mm and weighs approximately 0.5kg, making it easy to carry between counters, delivery vehicles, tables, warehouse areas and temporary sales locations.
For businesses requiring a small thermal receipt printer, the compact body helps reduce counter-space requirements while retaining the necessary functions for text, order information, prices, codes and short-format labels.
The rechargeable battery and wireless connection also allow the printer to operate as a mobile thermal POS receipt printer for:
1.Table-side restaurant payment
2.Mobile checkout
3.Taxi and transport receipts
4.Field-service billing
5.Delivery collection
6.Temporary retail counters
7.Exhibition or market-stall sales
Direct Thermal Printing Without Ink
This printer uses heat-sensitive paper or thermal label material to create the printed image. It does not normally require an ink cartridge, toner or thermal-transfer ribbon.
A thermal receipt printer no ink configuration simplifies daily consumable management because operators mainly need to replace the compatible thermal paper or label roll. This is useful for mobile and commercial environments where frequent cartridge replacement would interrupt work.
Direct thermal printing also supports quieter operation and a relatively compact internal structure. However, thermal images may be affected by prolonged heat, strong sunlight, friction, plasticizers or certain chemicals, so media should be selected according to the expected application and storage period.
Clear 203dpi Receipt and Label Output
With 203dpi resolution and a printing density of 576 dots per line, the printer can produce clear transaction text, prices, order numbers, product information, simple graphics, supported barcodes and QR codes.
The listed printing speed is 60±5mm/s, providing a balance between mobile portability and everyday printing efficiency.
Print quality is also influenced by:
1.Thermal media sensitivity
2.Paper or label surface smoothness
3.Print density settings
4.Label gap or black-mark detection
5.Barcode size
6.Software-generated layout
7.Print-head cleanliness
Before bulk deployment, buyers should test the final receipt or label file with the intended thermal media.
Bluetooth and USB Connectivity
The printer supports Bluetooth 4.0 and USB connection, providing flexibility for both wireless and wired working environments.
Bluetooth is suitable for employees using mobile phones or tablets, while USB can be used when a more fixed connection is preferred. The printer is listed as compatible with Android, iOS and Windows, although final compatibility also depends on the application, operating-system version, Bluetooth protocol and printer command.
Before purchasing, confirm:
| Compatibility Area | Information to Check |
| Operating System | Android, iOS or Windows version |
| Printing Application | Whether the app supports the printer model |
| Command Language | ESC, TSPL or CPCL |
| Connection | Bluetooth or USB |
| Receipt Format | Text, logo, QR code and transaction layout |
| Label Format | Label width, height, gap and print direction |
| Character Library | Required languages and symbols |
| Charging Standard | Plug and adapter requirements |
Receipt Printing Applications
The printer can function as a compact thermal receipt printer for businesses that need short transaction records and mobile operating flexibility.
1.Retail POS Receipts
It can print product details, quantities, transaction amounts, payment information, dates and store contact information for small shops, convenience stores and temporary checkout counters.
2.Restaurants and Food Service
Restaurants, cafés, bakeries and takeaway businesses can print customer receipts, table orders, kitchen information and collection records through compatible software.
3.Taxi and Transport Receipts
The portable design is suitable for printing taxi bills, transport payment records and other mobile transaction documents.
4.Field-Service Billing
Maintenance, delivery, property management and other field-service teams can use the printer to provide immediate payment or service records.
Businesses searching for a thermal receipt printer for sale should match the printer with their actual receipt width, software, daily volume and connection requirements rather than selecting only by unit price.
Label Printing Applications
In label mode, the printer can be used as a compact thermal label printing machine for product identification, inventory control, barcode management and order processing.
Typical label applications include:
1.Product barcode labels
2.Retail price labels
3.Inventory identification labels
4.Shelf-location labels
5.Order labels
6.Food order labels
7.Package reference labels
8.Small mailing labels
9.QR-code labels
10.Mobile field-service labels
The final label size must remain within the printer’s supported paper path and 72mm printing width.
Thermal Barcode Label Printer
As a thermal barcode label printer, the machine can print supported one-dimensional barcodes and QR codes through compatible software and commands.
Barcode readability depends on the complete printing setup rather than resolution alone. Buyers should verify the barcode type, minimum module width, print direction, label material, scanning distance and scanner model.
For a barcode project, provide:
1.Barcode type
2.Final barcode dimensions
3.Label width and height
4.Required text below the barcode
5.Scanner model
6.Printing application
7.Sample label layout
A sample test helps confirm whether the printed code can be scanned consistently under actual operating conditions.
Thermal Sticker Label Printer
The machine can also operate as a thermal sticker label printer when loaded with compatible self-adhesive direct thermal labels.
Self-adhesive labels are useful when printed information needs to remain attached to a product, package, shelf, container or order. The adhesive, face material and liner should be selected according to the surface and application environment.
For general indoor use, standard paper direct thermal labels may be suitable. Applications exposed to moisture, refrigeration, friction or extended handling may require upgraded face materials or adhesive systems.
Mailing and Shipping Label Printing
This compact printer may be used as a thermal mailing label printer for small address, parcel-reference and order-identification labels that fit within its supported printing width.
It can also support selected applications as a shipping thermal label printer or direct thermal shipping label printer for compact shipping labels, package reference labels and logistics codes.
However, this model has a 72mm printing width and is not intended to replace a standard 4-inch printer for 100×150mm or 4×6-inch shipping labels. Buyers requiring full-size carrier labels should select a dedicated 4-inch shipping label printer.
This distinction helps prevent customers from choosing a compact printer for label formats that exceed the machine’s allowable width.
Commercial Label Printing Considerations
This product is suitable for mobile, low-to-medium-volume and compact label applications. A larger commercial thermal label printer may be more appropriate when the project requires:
1.4-inch shipping labels
2.High daily printing volume
3.Continuous production-line operation
4.Automatic label peeling
5.Industrial Ethernet connection
6.Large media-roll capacity
7.Wider barcode labels
8.Heavy-duty warehouse deployment
For buyers comparing a thermal label printer for sale, the correct choice depends on label width, printing frequency, operating environment and integration requirements.
The portable model provides flexibility, while larger desktop or industrial models provide greater media capacity and higher sustained throughput.
Paper and Label Media Compatibility
The printer supports compatible thermal paper and direct thermal label media. Before ordering rolls, confirm the following:
| Media Factor | Why It Matters |
| Roll Width | Must remain within the printer’s supported width |
| Roll Diameter | Must fit inside the media compartment |
| Core Size | Affects roll installation |
| Media Type | Receipt paper, continuous label or die-cut label |
| Label Gap | Must be recognized by the printer sensor |
| Black Mark | Required for certain positioning systems |
| Thermal Sensitivity | Influences print darkness and speed |
| Adhesive Type | Must suit the application surface |
| Liner Thickness | Influences feeding and roll capacity |
| Image Life | Should match the required storage period |
For receipt printing, use compatible direct thermal paper. For label printing, use thermal labels with suitable gap, black-mark or continuous-media settings according to the selected application.
Sailing can supply printers together with thermal paper and label consumables, allowing the printing result and media compatibility to be tested as one system.
Receipt and Label Mode Selection
The 2-in-1 structure allows buyers to use the printer for different workflows, but the appropriate mode and media must be selected before printing.
| Printing Requirement | Recommended Mode | Typical Media |
| Transaction receipt | Receipt mode | Continuous thermal paper |
| Restaurant order | Receipt mode | Continuous thermal paper |
| Barcode label | Label mode | Die-cut thermal label |
| Product identification | Label mode | Adhesive thermal label |
| Shelf or inventory label | Label mode | Gap or black-mark label |
| Small mailing label | Label mode | Self-adhesive thermal label |
| QR-code label | Label mode | Direct thermal sticker label |
Users should not switch media types without adjusting the application, paper positioning and print layout.
Thermal Receipt Printer Eco Friendly Considerations
A thermal receipt printer eco friendly evaluation should consider the entire printing system rather than assuming that every thermal printer or thermal paper is automatically environmentally friendly.
The direct thermal process can reduce the need for ink cartridges and ribbons. Its compact size may also reduce packaging and transportation volume compared with larger equipment.
However, environmental performance also depends on:
1.Thermal-paper coating
2.Label face material
3.Adhesive
4.Release liner
5.Battery service life
6.Product durability
7.Local recycling systems
8.Packaging design
9.Disposal practices
Buyers with sustainability requirements can request information about compatible BPA-free, BPS-free, phenol-free or responsibly sourced thermal media where available.
OEM and Private-Label Customization
Sailing supports thermal receipt printer OEM and private-label projects for distributors, POS solution providers, consumable wholesalers and commercial customers.
Customization can be discussed for:
1.Printer logo
2.Housing color
3.Product label
4.Startup information where technically supported
5.User manual
6.Individual box
7.Outer carton
8.Barcode sticker
9.Accessory configuration
10.Plug type
11.Receipt paper packaging
12.Thermal-label packaging
13.Printer-and-consumable sets
Final options depend on order quantity, selected configuration and technical feasibility.
Thermal Receipt Printer China Supply
Sailing provides thermal receipt printer China supply support for international B2B customers requiring printers, compatible receipt paper, thermal labels and branded packaging.
For distributors and project customers, supplying the printer and consumables together can simplify:
1.Model selection
2.Paper-width matching
3.Label testing
4.Print-density adjustment
5.Barcode testing
6.Packaging customization
7.Repeat consumable purchasing
8.Export documentation
9.Shipment coordination
This approach is particularly useful when the customer wants to build a complete mobile printing product line rather than purchase an isolated printer model.
Thermal Receipt Printer Manufacturers China: What Buyers Should Check
Buyers comparing thermal receipt printer manufacturers China should evaluate more than the product appearance or quoted unit price.
Important purchasing factors include:
1.Model and component consistency
2.Command and software compatibility
3.Battery configuration
4.Print-head life
5.Thermal-media availability
6.Quality-inspection procedure
7.Certification documents
8.OEM packaging ability
9.Replacement and after-sales communication
10.Long-term supply continuity
A sample-printing test with the buyer’s actual software and media can reduce compatibility risks before mass production.
Quality Inspection Before Shipment
Each printer order should be inspected through both appearance and functional testing.
| Inspection Area | Inspection Content |
| Housing | Surface, buttons, cover and color |
| Power | Startup and automatic-shutdown function |
| Battery | Charging and standby status |
| Print Head | Text, line and image consistency |
| Printing Speed | Output under standard settings |
| Bluetooth | Pairing and wireless communication |
| USB | Interface and data connection |
| Commands | ESC, TSPL and CPCL testing |
| Paper Detection | Gap, paper or optocoupler response |
| Barcode | Barcode and QR-code sample output |
| Accessories | Adapter, cable and instructions |
| Packaging | Labels, box and carton protection |
Project customers can provide a receipt file, label file, barcode sample or inspection checklist before production.
Certificate and Compliance
The current product page lists an appearance patent and CCC, CE, FCC and RoHS certification information for the SL-M829G model. Buyers should confirm the available documentation for the exact printer, adapter, battery and destination market before placing an order.
For distributor, tender or retail-chain projects, provide the required compliance-document list during the inquiry stage.
Packaging and Accessories
The final accessory configuration should be confirmed in the quotation and order document.
Common packaging items may include:
1.Portable thermal printer
2.Charging adapter
3.USB cable
4.Operating instructions
5.Test media
6.Individual box
7.Product label
8.Outer carton
Custom packaging may include a branded color box, multilingual instructions, barcode labels, shipping marks and combined printer-and-consumable sets.
Plug compatibility should be confirmed according to the destination country.
How to Select the Right Printer?
Before requesting a quotation, buyers should provide the following information:
1.Receipt printing, label printing or both
2.Required paper or label width
3.Label length and roll diameter
4.Continuous, gap or black-mark media
5.Android, iOS or Windows system
6.Bluetooth or USB connection
7.ESC, TSPL or CPCL command requirement
8.Daily printing quantity
9.Barcode and QR-code requirements
10.Required languages
11.Plug type and destination market
12.Logo and packaging customization
13.Order quantity
14.Delivery schedule
These details help determine whether the portable 72mm model or a wider desktop printer is more suitable.
Why Choose Sailing?
Sailing supports buyers that require both a portable printer and compatible thermal consumables.
Our supply scope can include:
1.Portable receipt and label printers
2.Thermal receipt paper
3.Direct thermal labels
4.Barcode labels
5.Small mailing labels
6.Printer and media compatibility testing
7.OEM and ODM support
8.Custom logo and packaging
9.Export packaging
10.B2B project communication
By evaluating the printer, software and thermal media together, buyers can reduce the risk of paper-feeding problems, weak printing, incorrect label positioning and unreadable barcodes.
FAQ
1. Can this printer print both receipts and labels?
Yes. It is designed as a 2-in-1 portable printer and supports compatible receipt paper and thermal label media. The correct application, command and media setting must be selected for each printing mode.
2. What is the maximum printing width?
The current specification lists a printing width of 72mm. The total roll width and actual printable area should be confirmed before designing the final receipt or label.
3. Can it connect to a mobile phone?
Yes. The printer supports Bluetooth and is listed as compatible with Android, iOS and Windows. Actual compatibility depends on the application, system version and printing command.
4. Does it require ink?
No. It uses direct thermal paper or direct thermal labels and does not normally require ink, toner or a ribbon.
5. Can it print barcode labels?
Yes, subject to software and command compatibility. Barcode type, dimensions and scanner performance should be tested before bulk deployment.
Request a Portable Thermal Printer Quotation
Looking for a portable thermal printer that can handle both receipt and label printing?
Send us your required printing width, media size, operating system, printing command, barcode requirements, destination country, customization needs and order quantity.
Sailing can help you evaluate the printer, compatible thermal paper, direct thermal labels and OEM packaging as one complete supply solution.
Contact Sailing today to request specifications, sample printing, compatibility testing and a quotation.
| Product number | SL-M829G |
| Printing method | Thermal printer |
| Printing width | 72mm |
| Print command | ESC/TSPL/CPCL |
| Resolution | 203dpi |
| Printing speed | 60+/-5mm/s |
| Printing density | 576 dots/line |
| Character size | 12*24, 24*24 |
| Print interface | Bluetooth+USB |
| Connection | Android & iOS & Windows |
| RAM | memory 512Kb |
| ROM | flash 8M |
| Processor frequency | 120M |
| Software adaptation | Self-developed label & small ticket app |
| Adapter | DC 9V, 1A 3.5mm round hole charging port |
| Certification Appearance patent | CCC/CE/FCC/ROHS |
| Standby time | 20min will be automatic shutdown |
| Sleep standby | 30 days |
| Printing life | 100 kilometers |
| Full power printing 1 | 150m |
| Charging time | 4-6 hours |
| Paper detection | Optocoupler detection |
| Lithium battery | 2200mA |
| USB type | MicroUSB interface |
| Product weight | 0.5kg |
| Working environment | 0-45℃ |
| Working humidity | 20-90% |
| Storage temperature | minus 10℃-60℃ |
| Storage humidity | 10-90% (except paper rolls) |
| Dimensions | 130*119*63mm |
| Outer box size | 135*137*112mm |
























