8D- Deep cycle battery Maintenance free

Group 8D Deep Cycle Battery
High-Capacity Power for Marine, RV, and Solar Applications

The Group 8D Deep Cycle Battery is a large-capacity 12V battery designed for heavy-duty energy storage in marine, RV, and off-grid solar systems. Available in both flooded lead-acid, it delivers long-lasting power, high amp-hour capacity, and reliable deep-cycle performance.

Key Features:

Voltage: 12V

Battery Type: Deep Cycle (Flooded Lead-Acid 

High Capacity: 230 – 300Ah (lead-acid), 300 – 400+ Ah (lithium)

Heavy-Duty Design: Built for large-scale energy storage applications

Long Runtime: Ideal for extended power use and deep cycling

Flexible Options: Available in maintenance-required flooded or maintenance-free lithium

High Performance: Designed for consistent discharge under load

Terminal Type: Stud or post connections

Typical Applications:

Marine and boating systems

RV and camper house batteries

Solar and off-grid energy systems

Backup and inverter power systems

Industrial and commercial energy storage

Specifications:

Nominal Voltage: 12V

Capacity: 230 – 300Ah (Flooded)

Dimensions (L x W x H): Approx. 20.75" x 11" x 10"

Weight: ~120 – 180 lbs (Flooded)

Terminal Type: Stud or Post

Battery Type: Flooded Lead-Acid 

Flooded: Requires periodic watering and ventilation

Flooded Lead-Acid:

Usable Capacity: ~50%

Lightweight and long lifespan