The original Lithium-ion rechargeable battery from Japanese tech good giant Zexus. The ZR-02 is a  Lithium-ion rechargeable battery with a capacity of 3400 mAh. 

Suitable for ZX-R730, ZX-R370 headlamps with a USB C port for easy charging. The ZR-02 can be used as power bank to charge your phone. 

Comes with 1 x rechargeable battery and a USB C port adapter.