Manual and Automatic Pre-heating Battery

DZD v900/v400

Customers looking to step up from pen batteries will love the compact-yet-substantial look and feel of the DZD v900/v400 Ducore In-Palm. The aluminum alloy body is just 18 mm thick, making it perfect for pockets and purses. Customizable intensity and an auto-draw option make this an easy choice for vapers on the go.
ProductDZD v400DZD v900
Model No:8026c8026
Body Material:Aluminium AlloyAluminium Alloy
Battery Capacity:400 mAh900 mAh
Activation Mode:Button Activated - VVAuto Draw and Button Activated - VV
Charging Port:Micro USBMicro USB
Compatible Tank:Ducore SDucore S

We provide customized solutions. Contact us for details.

Adjustable Constant

3 Output Modes

Adjustable power output option

This In-Palm battery can be adjusted to 3 different constant voltage settings: 2.8V, 3.2V and 3.6V, with just a couple of clicks of the mode button, which gives you more choice and more pleasant vape experience.

Automatic & Manual

3 clicks of a button

Small size but more choices, both automatic airflow sensor and manual fire button activation are available, easy to change the mode through 3 clicks of the fire button.

Fast Charging

Built-in Safety Protection

The battery uses micro USB charging, the charge current up to 1A for 900mAh nad 0.5A for 400mAh, which gives quick charge. It also comes with the standard safety protection features to ensure safe vaping while charging.


Built for convenience

The Convenience of a 510 Magnetic Connector

With the 510 Magnetic connector you can easily connect any 11 mm tank to the 900 mAh and 400 mAh In-Palm battery.

Available for

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

Want to test out our products? Contact us for a FREE sample.

Components View

In-Palm Battery DZD v400 with Ducore Slim

Drip tip
Magnetic Connection Adaptor
Fire Button
E-Liquid Window
USB Charging Port
Mode Button

Technical Specs


39.5 x 18 x 74.2 mm

Activation Mode

8026: Auto-draw and VV (Button Activated)
8026: VV(Button Activated)

Battery Capacity

900/400 mAh

Body Material

Aluminium Alloy

Voltage Output

2.8v, 3.2v, 3.6v

Charging Port

Micro USB

Charging Current

Fast Charging 1A/0.5A

Compatible Cartridge

11 mm


Compatible Cartridges

The 510 connector makes the Ducore® cartridge compatible with most batteries on the market.
However, we highly recommend using Ispire batteries for the best vaping performance


Delivering a best in class experience, guaranteed to help you stand out.
Signup now to receive product samples, the latest product updates, and more




    Copyright © 2019-2022 Ispire. All Rights Reserved.