The Deka 8A27M is a 12V Group 27 AGM marine battery built for boats, trolling motors, RVs, and deep-cycle applications where repeated discharge and recharge is the norm.
Specifications
| Group Size | 27 |
|---|---|
| Voltage | 12V |
| Technology | AGM |
| Capacity | 92 Ah (20-hr) |
| Reserve Capacity | 175 minutes |
| Marine Cranking Amps (MCA) | 900 |
| Cold Cranking Amps (CCA) | 580 |
| Warranty | 1 year |
Will it fit?
Boats, trolling motors, RVs, and off-grid power.
Not sure? Use the Battery Finder with your year, make and model, match the group number on your current battery, or call (650) 583-6735.
What you get at Peninsula Battery
- Free battery testing — make sure it’s really the battery before you buy
- Ready in about 1 hour for pickup at our South San Francisco shop
- Same-day local delivery — $35 within 25 miles when you order by 1 pm (Mon–Fri); after 1 pm, next business day
- Installation available at our shop
- Old battery recycling and core exchange (a refundable core deposit may apply)
Why Peninsula Battery?
Locally owned and serving the Bay Area since 1993. Trusted by Bay Area fleets, airlines, healthcare systems and government agencies. DBE and ACDBE certified. Visit us at 1139 Airport Blvd, South San Francisco, or call (650) 583-6735 (Mon–Fri, 8:00 am–4:30 pm).