You can purchase the battery case compatible with the BA-330 as an optional accessory.
Rechargeable Amp Power Pack BTY-NIMH/A
* For the BA-330, use the optional AC adaptor PSB-12U / PSB-12U2 (sold separately).
If you wish to place an order, we kindly ask you to get in touch with any of our authorized distributor in your area or reach out to our customer support team.