Metabo HPT 18V MultiVolt™ 18-Ga Compact Cordless Brad Nailer Kit, Includes 1-18V 2.0 Ah Battery, NT1850DGM
Usually this retails $303-330 on Amazon US via Amazon AU.
Comes with an 18v battery and charger but the charger will be US cord/voltage. Hikoki nailers are quite good and this is cheaper than the also decent Ryobi brad nailer from Bunnings.
MECHANICAL SPRING: Provides power to drive up to 2" brad nails
LONG LASTING: 700 nails per charge with included 2.0Ah 18V battery with fuel gauge
LOW CENTER HEIGHT & LIGHTWEIGHT: Fits in tight spaces and only weighs 5.5 lbs
FAST RESPONSE: Between nails with no ramp up time
BRIGHT LED LIGHT: Illuminates the work area
SIMPLE ADJUSTMENT: Tool-less depth of drive
FASTENERS: Accepts 5/8" up to 2" 18-Gauge brad nails
CONVENIENT: No gas, hose, or noisy compressor