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- Kelvin Wallet vs Essential
Chelpis Kelvin Wallet vs Keystone Essential
What Kelvin Wallet does better (1) and where Essential wins (0) — every spec side by side.
3.3Open source3.3
Why is Kelvin Wallet better than Essential?
- Weight35 g vs 115 g3.3×
Why is Essential better than Kelvin Wallet?
Essential has no measurable advantages in this pair.
Specifications
Side by side
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | No | No |
| Upgradable firmware | — | Yes |
| Design | ||
| Weight | 35 g | 115 g |
| Length | 70 mm | — |
| Width | 40 mm | — |
| Thickness | 10 mm | — |









