Product Description
MR147-155 GC12 Deep-Cycle Battery
The VMAX MR147-155 12V GC12 battery delivers true AGM deep-cycle marine performance with a 155Ah capacity in a Group GC12 case. It’s built for applications that need strong, steady power for extended periods.
Engineered using VMAX’s military-grade AGM construction, the MR147-155 features thick internal plates, tightly packed separators, and a sealed, maintenance-free design. The result is excellent vibration resistance, high output, and durability that holds up in the toughest environments.
Features & Benefits
- 155Ah Deep-Cycle Capacity – Designed for frequent deep discharges without loss of capacity.
- High Output – 1,150 cranking amps ensure reliable power in all weather conditions.
- AGM Construction – Heavy-duty plates with Absorbed Glass Mat separators for extreme durability.
- Heavy Vibration Resistance – Rugged construction ideal for marine, RV, and industrial environments.
- Group GC12 – Replacement or upgrade for marine, RV, and off-grid energy storage applications.
- Low Self-Discharge – Maintains a charge longer between uses than conventional flooded batteries.
- Temperature Tolerant – Dependable starting power in both high and low temperatures.
- M8 Insert Terminals – Includes new hardware for quick installation and secure connections.
- Left-Positive Polarity – Verify your current battery's terminal locations before purchase.
- Built for Commercial Use – VMAX takes pride in building Tough Batteries for Tough Applications.
VMAX Marine Series AGM
VMAX Marine deep cycle batteries are engineered for applications that demand consistent power and zero excuses. Built with thick, military-grade lead plates and tightly compressed AGM separators, they deliver true deep-cycle endurance, fast recovery, and consistent output—day after day.
These batteries are purpose-built for tough environments – from marine electronics & trolling motors, to house power banks & commercial equipment. You get rugged construction, long runtime, and maintenance-free reliability in a single platform that handles long power draws and sustained cycling. When failure isn’t an option and compromises cost you, VMAX Marine AGM is built to perform.
| Voltage | 12V |
| Capacity | 155 Ah |
| Type | Deep-Cycle AGM |
| Marine Cranking Amps | 1,150A |
| Group Size | GC12 |
| Length | 13.50" (343 mm) |
| Width | 6.80" (173 mm) |
| Height | 11.30" (287 mm) 11.50" (292 mm) w/terminals |
| Terminals | M8 Inserts (HW included) |
| Polarity | + Left / - Right |
| Weight | 90 lbs |
| Charging Current | 10 - 35 Amps |
| Charging Voltage | 14.4V - 14.9V |
| Float Voltage | 13.5V - 13.8V |
| Warranty | 1 Year |
VMAX MR147-155 Battery Cross-Reference
12 Volt GC12 Batteries: CT3500H, MB147-155 SLR155, XTR12-155.
Important: Always confirm your battery's electrical specifications, dimensions, and terminal configuration before purchase.
