Product Description
Deka 8A27M 12V 92Ah AGM Deep-Cycle & Starting Battery
Upgrade your marine, RV or off-grid power system with the Deka Marine Master 8A27M, a 12 Volt 92Ah AGM deep cycle battery designed for high-performance dual-purpose use. This Group 27 replacement battery delivers reliable engine starting and durable deep-cycle power in one maintenance-free, spill-proof package.
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
- Spill-proof and Maintenance-free – Sealed AGM design eliminates the need for watering or regular upkeep
- Heavy vibration resistance – Rugged construction ideal for marine, RV and industrial environments
- Exceptional cycle life – Up to twice the life expectancy of standard lead-acid batteries
- Fast recharge AGM technology – Recharges faster than conventional flooded batteries for minimized downtime
- Dual terminal design – 5/16" studs and SAE automotive posts
- Made in the USA – Manufactured by East Penn for trusted performance and quality
Ideal Applications:
- Marine house battery banks – Powers trolling motors, lights, bilge pumps and onboard electronics
- Recreational vehicles – Supports RV appliances, slide-outs, awnings with long lasting power
- Solar energy storage – Works as off-grid power storage with solar systems
- Standby power – Great for emergency lighting, UPS systems and telecom backup
- Mobility & industrial equipment – Supports large mobility devices, wheelchairs, carts, forklifts
- Portable power – Ideal for field equipment, AGVs and inverter systems
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.
Deka 8A27M Battery Cross-Reference
Direct replacement for models: 8A27, 8G27, 8G27M, 27DC, SLI27, SLI27M, SLI27MA, SLI27MAGMDC, SLI27MDC, SLI27MDP, XCA27-1200.
Note: The Marine Master 8A27M is the same battery as the Intimidator 8A27 but with the addition of marine terminal studs.
Extend The Life Of Your Battery
Keeping a battery charged between uses with a quality maintainer is crucial to a long battery lifespan. Save 10% on a NOCO Genius 10 Amp or Battery Tender 26A Charger & Maintainer when bundled with battery using option above.
| 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 |
