GNB's Head Office
Great Northern Battery Systems 54 Burland CrescentHamilton, ON L8H 7T5 905-549-4454 1-877-549-4454 905-549-1679
District Manager – Charlene Bice
Monday – Friday
Office: 8:00 a.m. – 5:00 p.m.
Retail: 9:00 a.m. – 4:00 p.m.
Saturday & Sunday
Closed
Hours subject to change during holidays