Roland BTY-NIMHA Rechargeable Battery for Roland Amps

The BTY-NIMHA power pack is a convenient reusable power solution for select Roland mobile amplifiers that support battery operation, including the CUBE Street EX, AC-33 Acoustic Chorus, and other models. The one-piece design pops easily into the back of the amplifier, eliminating the need to fuss with multiple AA-size batteries.

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Roland BTY-NIMHA Rechargeable Battery for Roland Amps

The Roland BTY-NIMHA Rechargeable Amp Power Pack offers a convenient reusable power solution for select Roland mobile amplifiers that support battery operation. This includes the CUBE Street EX, AC-33 Acoustic Chorus, and other models. The one-piece design pops easily into the back of the amplifier, eliminating the need to fuss with multiple AA-size batteries.

Furthermore, the benefits don’t stop there. With this battery, you also get up to twice the runtime over standard batteries, and the amplifier delivers output power and SPL that’s nearly equivalent to using the AC adaptor.

Products that support the Rechargeable Amp Power Pack are:

  • 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)
  • 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)

Power Supply: AC adaptor
Output Voltage: DC 9.6 V
Output Capacity: 4,000mAh
Indicator: CHARGE, FAIL
Connectors: DC IN jack
Battery charging time: Approximately 4 hours

Expected battery life under continuous use:
Approximately 20 hours – [CUBE-STEX : OUTPUT POWER switch: NORMAL (Maximum power output: 25 W)]
Approximately 10 hours – [CUBE-STEX : OUTPUT POWER switch: MAX (Maximum power output: 50 W)]
Approximately 40 hours – [CUBE-STEX : OUTPUT POWER switch: ECO (Maximum power output: 10 W)]
Approximately 14 hours – [KC-220]
Approximately 16 hours – [AC-33, AC-33RW]
Approximately 13 hours -[BA-330 : OUTPUT POWER switch: MAX]
Approximately 20 hours – [BA-330 : OUTPUT POWER switch: ECO]
* These can vary depending on the conditions of use.

Accessories: Owner’s Manual

Applicable Models:
– CUBE Street EX
– AC-33
– AC-33-RW
– KC-220
* Use the amplifier accessory AC adaptor (PSB-12U).
BA-330
* Use the AC adaptor(PSB-12U) (sold separately).
Options (sold separately): AC adaptor (PSB-12U)

Size and Weight:
Width: 184 mm
Depth: 68 mm
Height: 41 mm
Weight: (including battery) 690 g

For more information, please visit the manufacturer's website.