P31S Portable Label Printer: Simplify Your Marking, Anytime Anywhere












Whether you’re organizing wires in an office, labeling small parts in a workshop, or marking equipment for outdoor work, having a reliable, easy-to-carry label printer can make a world of difference. The P31S Portable Label Printer is built to meet these everyday needs—blending portability, long-lasting power, and simple operation so you can handle marking tasks without hassle.

Let’s start with what makes it easy to take on the go: its lightweight and compact design. Weighing just 580g and measuring 132mm×105mm×59mm, the P31S fits comfortably in one hand and slips easily into a tool bag or backpack. You won’t have to lug around a heavy device, even when moving between job sites or tight spaces like server closets.

Battery life is another big plus for anyone who works away from power outlets. Equipped with a 2000mAh large-capacity battery, a full charge lets you print up to 500 pages nonstop. It also uses Type-C charging—so you can use the same cable you might have for your phone, no need to carry extra chargers. Outdoor work or last-minute labeling tasks? No more stressing about running out of power.

Changing consumables is fast, too—no complicated steps here. The P31S uses integrated consumables that pair carbon ribbons and labels together in one cartridge. You can swap out old consumables for new ones in just 3 seconds, and there are multiple label types available. Need to switch from cable labels to part labels? It takes just a moment, so you can keep up with different tasks without delays.

Operating the printer is straightforward, even if you’re not tech-savvy. All you need is a mobile app: it lets you edit labels with customizable templates, and comes with plenty of creative tools to make your labels useful. You can add icons, symbols, different fonts, QR codes, barcodes, or even dates—so you can create exactly the label you need, whether it’s for a cable port or a storage box.

The P31S works well in all kinds of practical scenarios:


  • Electrical Labeling: Mark components like “28AWG/IP PWR 02” or “PWR 01” to keep electrical setups organized and easy to maintain.

  • Wire and Cable Labeling: Identify ports such as “MG 02 Port 1” to “MG 02 Port 4” so you never mix up cables during repairs or upgrades.

  • General Identification: Label small parts like “M4×8 ST PH RH” or “M2 WASHER”—perfect for keeping workshops or storage areas neat.

  • DataCom Labeling: Tag network-related items like “Fiance-Secure-Ne”, “IT-Closet-Switch”, or “Guest-WiFi-” to keep data centers or office networks clear.


For those who want to know the key details: it uses thermal transfer printing for clear, smudge-resistant labels, with an effective printing width of 25.4mm and 300DPI resolution for sharp text and symbols. It prints at a maximum speed of 20mm/s, connects via Bluetooth or USB, and has a manual cutter to get clean label edges every time. There’s no screen—which keeps the design simple and lightweight.

If you’re looking for a label printer that’s easy to carry, easy to use, and works for all your daily marking needs, the P31S is a solid choice. You can also pick from different consumable cartridges to match whatever you need to label, making it even more flexible.












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