Warranty: 24 Month Free Replacement
What Our Experts Are Saying
Power your boat or RV with the Optima Blue Top 27M AGM battery—offering dual-purpose performance for strong starts and deep cycling in harsh marine conditions.
About This Item
Replaces Group 27M batteries; 800CCA dual-purpose AGM ideal for marine starting and deep cycling needs.
Equivalent to Optima 9027-127; Delivers 800 cold cranking amps and 66Ah for powerful starts and sustained accessory support on the water.
Built with SPIRALCELL TECHNOLOGY using 99.99% pure lead for clean, efficient, and durable power output.
Ideal for boats, trolling motors, and RVs requiring high cycling capability and strong starting power.
Offers 3x longer life and 15x better vibration resistance than traditional flooded marine batteries.
Covered by a 24-month free replacement limited warranty for dependable marine-grade performance.
Product Specifications
| Item Number | OPT8027-127 |
|---|---|
| Brand | Optima |
| Format | BCI Group 27M |
| Cold Cranking Amps | 800 |
| Capacity | 66Ah |
| Voltage | 12 |
| Lead Acid Type | Starting |
| Lead Acid Type | Dual Purpose (Starting/Cycling) |
| Lead Acid Type | Deep Cycle |
| Reserve Capacity Minutes | 140 |
| National Stock Number | 6140-01-589-0622 |
| Product Sub Category | Premium AGM |
| Positive Terminal Placement | Left |
| Product Category | Marine/RV |
| Chemistry | Lead Acid |
| Battery Type | Standard |
| Lead Acid Design | AGM |
| Usage | True |
| Usage | RV |
| Marine Cranking Amps | 1000 |
| Color | Blue Top |
| Warranty | 24 Month Free Replacement |
| Weight | 53.65 lbs |
| Length | 12.1875 in |
| Width | 6.8125 in |
| Height | 8.75 in |