Giant EnergyPak Plus - Easy to Mount and Versatile in Use - E-Bike Blog
EUROBIKE 2015 | The Giant Dirt E+ hardtail with integrated battery | E-MOUNTAINBIKE Magazine
Giant Energypak Plus Range Extender 250WH E-Bike Battery + Mounting Plate
26V 15Ah for Giant Twist Energy Set AE Advanced Electronics STORCK RADDAR Battery pack Li Ion E Bike electric bicycle|Replacement Batteries| - AliExpress
E Bike Battery Rack 48V 24AH Lithium Ion Li Ion Electric Bike Battery 48V Samsung Battery Pack For 1000W Giant Bicycle From Liuzedongaaaa, $272.27 | DHgate.Com
You will find all available batteries for your Giant E-Bike here