Description
MK Battery / Deka® 8G8D-DEKA | 12 V 225 Ah Valve-Regulated Deep-Cycle Gel Battery
Overview
The Deka® 8G8D-DEKA is a 12 V, high-capacity, valve-regulated gel deep-cycle battery designed for demanding renewable-energy, storage-bank, and off-grid applications. Rated at approximately 225 Ah at the 20-hour rate, it features thixotropic gel electrolyte and a robust polypropylene case to deliver exceptional deep-cycle recovery, safety, and durability for professional-grade installations.
Proudly Made in the USA
Every MK Battery / Deka® 8G8D-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
- High-capacity 225 Ah (@ C/20) gel battery ideal for energy-storage banks
- Valve-regulated, gelled-electrolyte design – sealed, maintenance-free, non-spillable
- Thixotropic gel prevents stratification and allows safe indoor or mobile installations
- Rugged polypropylene case and premium internal construction for long cycle life
- Manufactured in the USA by East Penn Manufacturing Co.
Applications
- Off-grid and grid-tie solar battery banks
- Large-format energy-storage systems, telecom backup, and remote power stations
- Marine, RV, and industrial mobile power requiring high-capacity sealed batteries
- Stand-alone storage modules and rack-mounted systems for professional use
Technical Specifications
| Model | 8G8D-DEKA |
|---|---|
| Nominal Voltage | 12 V |
| Capacity @ C/20 | 225 Ah |
| Capacity @ C/100 | 265 Ah |
| Weight | ≈ 157 lb (71 kg) |
| Dimensions (L × W × H) | 20.44″ × 10.97″ × 11.25″ (519 × 279 × 286 mm) |
| Plate Alloy | Lead-Calcium |
| Container / Cover | Polypropylene |
| Operating Temperature Range | –76 °F (–60 °C) to +140 °F (60 °C) |
| Country of Manufacture | USA (East Penn Manufacturing) |
Specifications sourced from the Deka® 8G8D-DEKA datasheet.
Design & Performance
Built for large-scale deep-cycle performance, the 8G8D-DEKA uses advanced gel-technology and premium internal components to deliver superior recovery, long cycle life, and safe, sealed operation. Designed for systems where capacity, reliability, and maintenance-free operation matter most.