Product Description
Deka 8A27M AGM Deep-Cycle & Starting Battery
The 8A27M is a premium Group 27 AGM battery from the Deka Marine Master series, designed to deliver reliable deep cycle and starting power in one rugged unit. Built with advanced Absorbed Glass Mat (AGM) technology, this maintenance-free battery is ideal for Marine, RV and commercial applications that require consistent performance and durability in demanding environments. This dual-purpose AGM battery with 92 Ah capacity is engineered to handle deep discharges while still delivering powerful cranking amps for engine starts. The sealed design resists vibration, prevents electrolyte leakage, and allows for flexible installation positions. Whether you're powering trolling motors, RV's, or mobility applications, the DEKA 8A27M offers superior cycle life, faster recharging, and long-lasting energy storage.
8A27M Features:
- Dual-Purpose AGM Performance – Combines deep cycle capacity with strong starting power for marine and RV systems
- High Tolerance to Deep Discharges – Delivers long service life even in demanding deep‑cycle conditions
- Heavy Vibration Resistance – Rugged construction ideal for marine, RV and industrial environments
- Premium AGM Technology – Completely spill-proof and maintenance-free design
- Exceptional Cycle Life – Up to twice the life expectancy of standard lead-acid batteries
- Faster Charging – Marine Master batteries spend more time in service by recharging faster than conventional batteries
- Dual Terminal Design – 5/16" studs and SAE automotive posts for flexible installations
- Proudly Made in the USA – Manufactured by East Penn for trusted performance and quality
Why Choose the 8A27M?
Compared to traditional flooded or basic starting batteries, the 8A27M offers significantly longer life, faster charging, and maintenance-free reliability. For users needing dependable dual-purpose performance in a Group 27 size, this AGM battery is a premium solution trusted by marine and RV professionals alike.
Applications:
- Marine: House battery banks, trolling motors, lighting, bilge pumps, and onboard electronics
- RVs: Durable power for appliances, electronics, and entertainment systems
- Industrial Equipment: Floor scrubbers, forklifts, pallet jacks, scissor lifts
- Solar Energy Storage: Off‑grid systems requiring robust deep‑cycle performance
- Standby Power: Emergency lighting, UPS systems, telecom backup
- Large Mobility Devices: Power wheelchairs, track chairs, and similar applications
Deka 8A27M Battery Cross-Reference
Group 27 replacement for models: 27DC, 27DC-DL, 8G27M, CT2400, DURA12-100C/FR, DURDC12-100P, DURHR12-370C/FR-A, MB127-100, MR127-100, SLI27, SLI27M, SLI27MA, SLI27MAGMDC, SLI27MDC, SLI27MDP, SLR100, XCA27-1200, XTR27-110, XTR627-220.
Note: The Marine Master 8A27M is the same battery as the Intimidator 8A27, but with the addition of marine terminal studs.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit.
| Voltage | 12V |
| Capacity | 92Ah |
| Type | Dual Purpose AGM |
| Cold Cranking Amps | 580A |
| Group Size | 27 / 27M |
| Length | 12.7" |
| Width | 6.8" |
| Height | 8.5" 9.3" w/terminals |
| Terminals | 5/16" Studs (hardware included) & SAE Posts |
| Polarity | + Left / - Right |
| Weight | 62 lbs |
Extend the Life of Your Battery
Keeping your battery charged between uses with a quality maintainer is essential for maximizing its lifespan. Save 10% on a NOCO Genius 10, or the waterproof NOCO GENPRO 10 Chargers & Maintainers when bundled with battery using the option above.
