Power-Tec 12V AGM Deep Cycle Marine Battery - Group 31 - 8A31DTM | Defender
Group 31 Dual-Purpose AGM Battery, 105 Amp Hours | West Marine
Bass Pro Shops Power Series Deep-Cycle AGM Marine Battery | Bass Pro Shops
SRM-31 battery | Interstate Batteries
VMAX XCA31-1400 Group 31 Battery. Made in USA.
Amazon.com: (2) XTR31-135 24 Volt Trolling Motor Batteries 135 Amp Hours VMAX Group 31 12V AGM Deep Cycle Maintenance-Free Sealed Marine 12 Volt 135Ah Battery for 24V Trolling Motors : Health & Household