Durability in Marine Environments
Terra Supreme Group 31 batteries strike a balance between power, capacity, and reliability, making them a go-to solution for marine applications that demand dependable starting power and extended electrical runtime in many conditions.
Marine-rated Group 31 batteries are built to withstand:
- Vibration and shock from rough water
- High humidity and exposure to moisture
- Corrosion from saltwater environments
Versatility Across Vessel Types
The Group 31 form factor is an industry standard, making replacement and integration easy across many marine battery trays and systems.
- Fishing boats and bass boats
- Sailboats
- Cruisers and yachts
- Commercial workboats
High Capacity and Long Runtime
Group 31 batteries offer high amp-hour capacity, making them well suited for running:
- Navigation and deck lighting
- GPS, fish finders, and radar
- Bilge pumps and livewell systems
- Radios, entertainment, and onboard electronics
- This allows longer time on the water without frequent recharging.
Strong Starting Power
Many Group 31 batteries provide high cold cranking amps (CCA), ensuring reliable engine starts even after extended accessory use.
Looking for a next-gen group 31 battery, or something custom designed for your industry?
Energy Storage Technologies
for the Next Millennium
Careers Terms & Conditions Privacy Policy Environmental Pledge
Copyright © 2026 Terra Supreme Battery – All Rights Reserved.
Any listed product specifications on this website are subject to change without notice.
