Description
The Interstate 27M-AGM-A is a 12-volt, 90 Ah agm battery for engine starting and combined starting and deep-cycle service. It is rated at 750 cold cranking amps and 900 marine cranking amps, so check your engine maker’s minimum cranking spec against that number. The case follows a BCI 27M footprint; confirm your tray size and terminal orientation before you buy. Reserve capacity is 175 minutes at a 25 A draw. The sealed AGM design is maintenance-free and spill-resistant.
Highlights
- 12 V, 90 Ah AGM
- 750 CCA / 900 MCA
- BCI 27M footprint
- 24 month free replacement warranty
- Best for: Cranking, Dual Purpose
Specifications
| Brand | Interstate |
|---|---|
| Model / SKU | 27M-AGM-A |
| Nominal voltage | 12 V |
| Capacity | 90 Ah |
| Chemistry | AGM |
| Cold cranking amps (CCA) | 750 |
| Marine cranking amps (MCA) | 900 |
| Reserve capacity | 175 min @ 25 A |
| BCI group size | 27M |
| Dimensions (L × W × H) | 12 × 6.81 × 8.69 in |
| Warranty | 24 month free replacement |
| Cranking amps (CA) | 900 |
Specs are from the manufacturer. Check your boat’s battery compartment, terminal layout and charging system before you order.







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