Card Machine Weight and Portability for Mobile Trade
Modern UK card machines weigh 150 to 400 grams. SumUp Air at 80 grams is the lightest portable reader (palm-sized, Bluetooth-paired). SumUp Solo at 220 grams and Zettle Terminal at 240 grams are mid-range standalone 4G devices. Dojo DC55 at 380 grams and Worldpay Move 5000 at 380 grams are heaviest because they include built-in printers. For mobile trade, lighter is better. For counter-service, weight is irrelevant. Choose on use case, not on weight alone.
What this means for your business
Card machine weight ranges from 80 grams (SumUp Air, Bluetooth reader, palm-sized) to 400 grams (Dojo DC55, Worldpay Move 5000, printer-equipped standalone devices). The weight spread reflects the feature set: smaller Bluetooth readers without screens are lightest, mid-range 4G standalone devices with 5-inch touchscreens sit at 200 to 250 grams, and printer-equipped devices at 350 to 400 grams add the weight of the printer mechanism and the paper roll.
For mobile trade where the device travels in a bag all day, lighter is better. SumUp Air at 80 grams disappears in a pocket. SumUp Solo at 220 grams sits well in a small bag. Zettle Terminal at 240 grams is similar. Dojo Go at around 300 grams is at the upper end of comfortable carry. Above 350 grams the device starts to feel heavy in extended carry, which matters for street traders, mobile mechanics, and ride instructors.
For counter-service (cafes, salons, retail), weight is irrelevant because the device sits on the counter. The choice is then driven by screen size, customer-facing prompts, integration with EPOS, and tipping flows. Built-in printer matters more than weight in hospitality. For mobile trade with a counter base (e.g. salon plus home visits), a two-device setup works: a printer-equipped device on the counter, a lightweight Bluetooth or 4G reader in the bag for home visits.
Key points
- UK card machines weigh 150 to 400 grams across the modern range
- SumUp Air at 80 grams is the lightest Bluetooth reader
- SumUp Solo at 220 grams and Zettle Terminal at 240 grams are mid-range 4G
- Dojo DC55 at 380 grams and Worldpay Move 5000 at 380 grams are heaviest, include printers
- Mobile trade benefits from lighter devices, counter-service does not care
- Two-device setup works for hybrid trade: heavy printer-equipped on counter, light reader in bag
- Above 350 grams the device feels heavy in extended bag carry
Common pitfalls
- Choosing the heaviest printer-equipped device for mobile trade because the spec sheet looks complete, the weight wears down over the day
- Forgetting that weight includes the paper roll and battery, the rated weight is usually with both
- Mixing up "portable" with "lightweight", a 350-gram standalone is portable but not lightweight
- Choosing on weight alone without checking screen size and battery, these matter more in most use cases
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Open quote form →Related questions
Does a heavier card machine mean better build quality?
Sometimes. Heavier devices often have larger batteries, integrated printers, and reinforced cases. But weight alone is not a quality signal. Specific build markers (IP rating for dust and water, drop test rating, glass-fronted screen with Gorilla Glass) matter more than weight as a quality proxy.
Can I attach the card machine to a holster or belt clip?
Yes for some devices. SumUp Solo, Dojo Go and Worldpay Move have official belt holsters or hand straps. Third-party accessories cover most modern devices. For mobile trade, a holster keeps the device accessible without filling a bag pocket.
Director, MerchantHQ
Oliver leads MerchantHQ's editorial and comparison research. With a background in UK commercial finance, he oversees provider analysis, rate verification, and industry reporting across all verticals.
Last reviewed: 18 May 2026