1x battery rechargeable 9V 1000mah USB 6LR61 Li-mn battery

Battery Dimensions:

capacity: 1000mah
voltage: 9V
model number: 6LR61
USB port: yes
type: Lithium-ion Battery
size: 49x26x16mm
cycle life: 800 Times and more
certificate: ROHS CE
weight: 26 g 

6LR61, 6F22, J, 6AM6 , 522,  Block 9V, MN1604, E-BLOCK, 6AM-6, 1604E

We do not recommend using rechargeable batteries in audio equipment. Some interference may occur