Hi there!
Please note the battery is sold separately from the GDP cartridge.
To view the battery to use with this cartridge, please click here: https://www.hellomd.dev/products/5af6192d1bf83e0007fdd972/battery-charger
VeronicaB
The vaporizer cartridges and their batteries are sold separately. I believe you are referring to the Grand Daddy Purple cartridge from Absolute Extracts, which case you can use with this battery and charger set:
https://www.hellomd.dev/products/5af6192d1bf83e0007fdd972/battery-charger
Kevin P.