Yocan Uni 4.0 Universal 650mAh Battery Mod
PRODUCT DETAILS
Universal Fit, Digital Control – The Yocan UNI 4.0 Universal 510 Battery builds on Yocan's popular UNI platform with extensive cartridge compatibility, digital controls, and a clear-view design that keeps the fitted cartridge visible during use. Its adjustable cartridge chamber allows the UNI 4.0 to accommodate a wide variety of 510-thread cartridges, making it a versatile option for users who regularly switch between different cartridge shapes and sizes. With a 1.26" TFT display, precise 1.8–4.2V voltage adjustment, and a 650mAh battery, it delivers dependable, customisable performance in a compact, protective body.
Key Features:
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Universal Cartridge Compatibility
The adjustable cartridge chamber accommodates cartridges with a diameter between 8mm and 14mm, while cartridge height can be adjusted by more than 42mm. Supplied magnetic adapters allow a wide range of compatible 510 cartridges to be securely fitted. -
Clear-View Cartridge Design
The open cartridge section provides improved visibility of the fitted cartridge, making it easier to monitor contents without removal – while retaining the protective benefits of the UNI-style body. (Cartridge not included.) -
Adjustable Voltage (1.8V–4.2V)
Precise voltage adjustment in 0.1V increments allows users to fine-tune performance. Lower settings provide gentler output; higher settings increase power and vapour production. -
1.26" TFT Display
Clearly displays current voltage, remaining battery level, puff count, and preheat status for easy at-a-glance monitoring. -
10-Second Preheat Function
Operates at 1.8V, gently warming the fitted cartridge before use – helping prepare thicker liquids without immediately applying full power. -
650mAh Rechargeable Battery
Dependable everyday power in a compact, portable form, with convenient USB Type-C charging. -
15-Second Safety Cut-Off
Helps prevent prolonged continuous activation for safer use. -
Compact & Portable Design
Approx. 28mm body width keeps the device easy to carry.
Perfect For:
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Vapers who regularly switch between different 510 cartridge shapes and sizes.
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Users wanting precise voltage control and a clear digital display.
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Those who value preheat functionality for thicker liquids.
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Anyone seeking a compact, protective, and versatile 510 battery.
Tech Specs:
| Specification | Details |
|---|---|
| Brand | Yocan |
| Model | UNI 4.0 |
| Product Type | Universal 510 Battery |
| Battery Capacity | 650mAh (Built-in) |
| Connection | 510 Thread |
| Cartridge Diameter Compatibility | 8–14mm |
| Cartridge Height Adjustment | Over 42mm |
| Voltage Range | 1.8V – 4.2V |
| Voltage Adjustment | 0.1V Increments |
| Display | 1.26" TFT |
| Preheat | 10 Seconds at 1.8V |
| Charging | USB Type-C |
| Safety Cut-Off | 15 Seconds |
| Body Width | Approx. 28mm |
What's in the Box:
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1 x Yocan UNI 4.0 Device
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2 x Magnetic Adapters
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1 x USB Type-C Cable
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1 x User Manual
Yocan UNI 4.0 Universal 510 Battery – Where universal cartridge compatibility, digital precision, and clear-view convenience combine for a versatile, reliable, and customisable everyday 510 battery.
INGREDIENTS
SHIPPING & RETURNS
When choosing your delivery option, you can use Royal Mail or DHL. Use this link to see our delivery costs and pricing table. When selecting DHL, make sure to refer to this table to see what service is available to your postcode region.
Deliveries:
Deliveries will be shipped out on the same working day if placed before 12pm, otherwise they will be posted the next working day.
At the checkout you will have the opportunity to choose your preferred delivery method from our range of couriers. Typically orders will be shipped via Royal Mail or DHL. Higher value orders will be shipped using tracked services only.
Saturday delivery is available from DHL so if you require your order by the weekend, you can select this easily at the checkout. Deliveries will not be sent on Bank Holidays although your order will still be processed. Orders received on Bank holidays will get dispatched the next working day.
Please see our "Payment, Deliveries & Returns" page for full terms & Conditions regarding delivery!
Returns:
If you need to return an item, we are happy to receive these back provided they meet all of the return criteria. Please see our "Payment, Deliveries & Returns" page for full terms & Conditions! Use the "Returns - FAQ Centre" page to see an overview of the return process and how to request a return.
In the event your item becomes faulty, you would need to reach out to us. Returned items will be handled by our dedicated team and you can contact us about any issues you have with your order. We will be able to run through our troubleshooting steps and then confirm the steps needed to get the issue resolved.
Please note, we do not offer extended warranties on products & we adhere to the strict manufacturer warranties set out by them. Each manufacturer has their own warranty and limitations.
No manufacturer covers misuse or 3rd party damage or consumable parts, all returns are inspected upon their return. We will always keep you updated about the progress of your return.
PAYMENT & SECURITY
The sale of E-cigarettes requires an age verification to be carried out to check and ensure that you are over 18 before you can purchase these products. When you go to the checkout screen you will be requested to enter your details to confirm your age. This data is not collected by us, it is processed securely via ID3 only to confirm your age for your account. Once confirmed, you will then be able to freely purchase on Vape Store Direct.
This is an essential check required by law, all vaping website should be carrying out these checks. If you have any concern or queries then please do contact us.
If you accidentally enter the wrong information, it will not allow any further amendments so please ensure you enter your details accurately in order to verify your details.
Payment is processed via SecurePayments / Trustpayments. You can find information about the payment services providers' privacy policies and practices at https://www.trustpayments.com/ Please view our "Terms Page" for our Payment & Security policy.
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