8D AGM Deep Cycle Battery

Description

The 8D AGM battery is a 12V 250Ah AGM deep cycle battery (Group 8D) designed for marine, RV, solar, commercial, industrial, and backup power applications. Its sealed maintenance-free AGM construction provides reliable long-duration power, excellent vibration resistance, and safe operation without watering or electrolyte maintenance.

Available for pickup at our Toronto store—reserve online and pay in store. Local delivery may also be available in select areas; please contact us to confirm availability and arrange your order. Due to this battery’s size and weight, we do not offer courier shipping.

Compatible With / Replaces

The WP250-12 8D AGM battery is a compatible replacement for many Group 8D AGM batteries including:

• 8D-AGM
• AGM8D
• EV8DA-A
• EV-8D
• MP8DAGM
• ODP-AGM8
• UB-8D
• US-AGM8D

Key Features

• 12V 250Ah Capacity – Provides extended runtime for demanding deep cycle applications.
• Group 8D Battery Size – Common replacement size for marine, RV, solar, and industrial systems.
• Deep Cycle AGM Technology – Designed for repeated discharge and recharge cycles.
• Up to 1,300 Cycles at 30% Depth of Discharge – Long service life in properly maintained systems.
• Maintenance-Free Operation – No watering required.
• Sealed & Non-Spillable Design – Safer installation than conventional flooded batteries.
• Heavy-Duty M8 Insert Terminals – Includes hardware for secure high-current connections.
• Low Self-Discharge Rate – Helps maintain charge during storage and seasonal use.
• Series & Parallel Capable – Suitable for larger battery bank configurations.

Common Applications

• Marine house battery systems
• RV and motorhome battery banks
• Off-grid solar energy storage
• Commercial trucks and service vehicles
• Industrial equipment and machinery
• Telecommunications systems
• UPS and backup power systems

Specifications

• Voltage: 12 Volt
• Capacity: 250Ah
• BCI Group Size: 8D
• Battery Type: AGM Deep Cycle
• Terminal Type: M8 Insert Terminal
• Length: 20.5″ / 520 mm
• Width: 10.6″ / 269 mm
• Height: 8″ / 203 mm
• Weight: 162 lbs / 74 kg
• WP250-12 Data Sheet (PDF)

Frequently Asked Questions

Do I need an 8D deep-cycle or starting battery?
This 8D AGM deep-cycle battery is designed to power equipment and electrical systems through repeated discharge and recharge cycles. If you need a battery primarily for engine starting, see our 8D commercial starting battery. Confirm your equipment’s battery specifications, dimensions and terminal requirements before purchasing.

Does this 8D AGM battery require maintenance?
No watering or electrolyte top-ups are required. To help maximize battery life, keep the terminals clean and connections secure, and use a charger with a suitable AGM charging profile.