Roland BTY-NIMH/A Chargeable Amp Power Pack

• Official Roland rechargeable battery pack for select amplifier models
• Easy to install and remove
• Longer runtime than using AA batteries
• Allows the amplifier to deliver more output power and SPL than what’s possible with standard batteries
• Premium design with safe, efficient, and reliable NiMH (nickel-metal hydride) battery
• Can be charged with the AC adaptor included with the supported Roland amp model (excluding the BA-330)

CUBE Street EX Battery Powered Stereo Amplifier
• AC-33 Acoustic Chorus
• AC-33-RW Acoustic Chorus
• KC-220 Battery Powered Stereo Keyboard Amplifier
• BA-330 Stereo Portable Amplifier (optional PSB-12U or PSB-12U2 adaptor required for charging)