THK v350

13.5mm battery

THK v350/350

Our THK v350/350 Ducore® pen batteries are designed specifically for our larger Ducore® cartridges. With button-activated draw and optimal battery life, customers get reliable results and a consistent excellent vaping experience.

Product THK v350 THK 350
Model No: 9930 9935
Dimension(mm): 13.5 x 77.1 13.5 x 71.6
Battery Capacity: 350 mAh 350 mAh
Voltage: 3.0v/3.3v/3.6V 3.6V
Body Material: Stainless Steel Stainless Steel
Activation Mode: Button Activated Button Activated
Charging Port: Micro USB Micro USB
Charging Current: 0.5A 0.5A
Compatible Tank: Ducore X Ducore X
Colors: Stainless Steel, Black, White, Blue, Green, Orange, Yellow Stainless Steel, Black, White, Blue, Green, Orange, Yellow

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Ultimate OEM/ODM Freedom

Why not customize our Ducore®pen Battery for your brand?
Ispire provide various OEM and ODM solutions for your business.
Want to try our products? Contact us today for a FREE sample.

Adjustable Voltage Output

To give you more heat options to tailor to your vaping experience, the pen battery can be adjusted to 3 different constant voltage settings: 3.0V, 3.3V, and 3.6V. Just quickly press the fire button 3 times to adjust. Power mode will be changed from low to medium to high. Alternatively, a fixed constant voltage output (3.6V) is also available for this pen battery (Product code: 9935).

Stainless Steel Body

Designed for durability
Stainless Steel Construction

Using a stainless steel main body, the Ducore® pen battery can ensure high quality and stability, which offers you prolonged durability.

Powerful Battery Capacity

Safety Protection ChargingA High Capacity Battery backed up by Micro USB 1A chargingPowered by a powerful built-in 350 mAh rechargeable battery that allows the Ducore® pen battery to perform like no other vape pens on the market. You will always have the confidence of a fully charged battery at the time of retail sale. It comes prebuilt with the standard safety protection to ensure harmless operation when charging or vaping.

Multi-Color Design

Custom Surface Material Colors
Comprehensive Multi-Color Designs

We offer a wide range of multi-color designs and patterns for your unique customization. Choose from available surface materials plating and printing options using Vacuum Metalizing Plating, Water Transfer Plating, Decal and Pattern Printing, or Spray (Monochrome, Gradient Spray, Spot) Paint.


THK v350 : 13.5 mm x 77.1 mm THK 350 : 13.5 mm x 71.6 mm

Activation Mode

VV (Button Activated)

Connector Thread

510 Thread (M7)

Voltage Output

9930 : 3.0v/3.3v/3.6V
9935: 3.6V

Body Material

Stainless Steel

Micro USB Charging


Battery Capacity

350 mAh

Charging Current


Cartridge Size

13.5 mm

THK v350/350

Why not customize our Ducore® pen Battery for your brand? Ispire provide various OEM and ODM solutions for your business.

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