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View alternatives →Specifications
| Specifications | |
|---|---|
| Device Type | Pen |
| Brand | Yocan |
| Power Source | Battery |
| Battery Capacity | 650 mAh |
| Auto Shutoff | 60 min |
| Temperature Control | Digital |
| Replaceable Battery | No |
| Charging Port | USB-C |
| Voltage Range | 1.8V - 4.2V |
| Thread Type | 510 |
| Preheat Function | Yes |
About this vaporizer
The Yocan UNI 4.0 is a battery device for separate 510 cartridges. It offers 650 mAh, USB-C, a 1.26-inch TFT colour display, and adjustable voltage from 1.8–4.2 V. The height and opening width of the cartridge chamber can be adjusted. A cartridge is not included with the device; the UNI 4.0 has no herb chamber.
See also: Vane 2 · HIT 2 · Yocan Black Pocket · Yocan Orbit
Cartridge chamber and magnetic adapters
A height adjuster and a dial adapt the chamber to different cartridges. Yocan specifies 8–14 mm diameter and marks the height specification on the current product page as over 42 mm. Two magnetic adapters of different lengths are included. Check the dimensions of your own cartridge and the 510 connection before purchasing.
Voltage, pre-heating, and display
According to the manufacturer's instructions, the voltage can be set between 1.8 and 4.2 V. The pre-heat mode operates for 10 seconds at 1.8 V. The 1.26-inch TFT displays operating information in colour. Adjustment is made via the device; precise temperature control in °C is not specified for this cartridge battery device.
Battery and contents
The built-in battery has 650 mAh and charges via USB-C. The current product page states automatic shut-off after one hour. The package includes the UNI 4.0, two magnetic adapters, instructions, and a USB-C cable. A cartridge, liquid, or herbs are not included.
Comparison with dry herb vaporizers
The UNI 4.0 supplies power to a compatible, separately inserted cartridge. Material contact, heating coil, and fill depend on that cartridge. For this reason, neither a specific heating chamber material nor suitability for loose herbs can be derived from the battery specifications.
Official Resources
More Yocan Vaporizers 4
Spec comparison
| Price from | N/A | 31.53€ · incl. shipping | 31.53€ · incl. shipping | 55.20€ · incl. shipping |
|---|---|---|---|---|
| Type | Vape Pen | Portable | Portable | Vape Pen |
| Heating | N/A | Convection | N/A | Conduction |
| Temperature | N/A | 93°C - 249°C | 93°C - 249°C | 204°C - 304°C |
| Heat-up time | N/A | N/A | 30s | 10s |
| Battery | 650 mAh | 1800 mAh | 1200 mAh | 1400 mAh |
| Weight | N/A | 97 g | N/A | 93 g |
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Replacement Parts
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No. It is a battery device for compatible 510 cartridges and has no herb chamber.
No. Included are the device, two magnetic adapters, instructions, and a USB-C cable.
The manufacturer specifies 10 seconds of pre-heating at 1.8 V.
The manufacturer's instructions describe a built-in 650 mAh battery; no removable battery is indicated.







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