MK Battery Deka® 12V 183Ah Valve-Regulated Deep-Cycle Gel Battery (8G4D-DEKA)
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Description
MK Battery / Deka® 8G4D-DEKA | 12 V 183 Ah Gel Deep-Cycle Battery
Overview
The Deka® 8G4D-DEKA is a 12 volt, high-capacity valve-regulated gel deep-cycle battery built to meet the demands of renewable-energy, off-grid storage, and industrial power systems. With a 20-hour rate capacity of approximately 183 Ah, it offers sealed, maintenance-free performance in rugged conditions.
Domestic sourcing matters—here’s how this product qualifies:
Proudly Made in the USA
Every MK Battery / Deka® 8G4D-DEKA is built by East Penn Manufacturing Co. in Lyon Station, Pennsylvania—right here in the USA.
These batteries are crafted under one roof with decades of American engineering expertise, using a blend of U.S. and globally sourced materials to deliver unmatched reliability, consistency, and quality.
When you choose Deka®, you’re supporting American manufacturing and dependable power you can trust.
Key Features
- Valve-regulated gel (VRLA) design — sealed, maintenance-free, and non-spillable.
- Rated at ~183 Ah @ C/20 and ~210 Ah @ C/100 under standard conditions.
- Thixotropic gel electrolyte prevents stratification and supports deep-cycle recovery.
- Rugged polypropylene container with lead-calcium alloy plates and enhanced vibration resistance.
- Manufactured in the USA by East Penn Manufacturing Co.
Applications
- Large-format off-grid and solar-storage battery banks.
- Industrial standby / telecom / SCADA power systems requiring long life and sealed service.
- Marine, RV or mobile power installations where safe, non-spillable batteries are required.
- Remote monitoring, water-pumping and rural power systems in harsh environments.
Technical Specifications
| Model | 8G4D-DEKA |
|---|---|
| Nominal Voltage | 12 V |
| Capacity @ C/20 | 183 Ah |
| Capacity @ C/100 | 210 Ah |
| Weight | ≈ 127.5 lb (58 kg) |
| Dimensions (L × W × H) | 20.77″ × 8.43″ × 9.85″ (527 × 214 × 250 mm) |
| Plate Alloy | Lead-Calcium |
| Container / Cover | Polypropylene (sealed gel monobloc) |
| Operating Temperature Range | –76 °F (–60 °C) to +140 °F (60 °C) |
| Charge Voltage @ 77 °F (25 °C) | Cycle: 13.8-14.6 V · Float: 13.4-13.6 V |
| Country of Manufacture | USA (East Penn Manufacturing Co.) |
Specifications sourced from MK Battery / Deka® official datasheet for the 8G4D-DEKA.
Design & Performance
The 8G4D-DEKA gel deep-cycle battery leverages advanced gel-technology imaging of thixotropic gel electrolyte to eliminate acid stratification and deliver reliable deep-cycle performance under continuous duty. Its sealed, non-spillable construction and heavy-duty case make it ideal for demanding renewable-energy setups and industrial storage applications where maintenance must be minimal and reliability paramount.
