Introducing Hamilton Devices first variable voltage battery, the Shiv. The Shiv is an automatic deploy and retract vape battery that can be adjusted to a tenth of a volt allowing for precise heat control to dial in the perfect power output for your cartridge. Push the slider up to instantly deploy your cartridge and push the slider down to instantly retract your cartridge back into its concealed position. The Shiv Battery is engineered will work with most 510 thread cartridges.
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