Description
The Interstate M-27HDC is a 12-volt flooded lead-acid battery for engine starting. It is rated at 675 cold 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 160 minutes at a 25 A draw. As a flooded battery it needs periodic electrolyte checks and top-ups with distilled water.
Highlights
- 675 CCA
- BCI 27M footprint
- Best for: Cranking
Specifications
| Brand | Interstate |
|---|---|
| Model / SKU | M-27HDC |
| Nominal voltage | 12 V |
| Chemistry | Flooded lead-acid |
| Cold cranking amps (CCA) | 675 |
| Reserve capacity | 160 min @ 25 A |
| BCI group size | 27M |
| Dimensions (L × W × H) | 12.75 × 6.88 × 9 in |
| Cranking amps (CA) | 840 |
Specs are from the manufacturer. Check your boat’s battery compartment, terminal layout and charging system before you order.
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