Customer reviews & Questions
Specification
| AMP Hours | 97.6Ah |
| Battery Voltage Level | Low voltage |
| Lead Acid Battery Type | Gel |
| Type | Lead Acid |
| Voltage | 12V |
| Dimensions LxWxH | 12.93 x 9.33 x 6.74 in |
| Weight | 68.5 lbs |
| Manufacturer | Deka |
| Manufacturer Part # | 8G31-HST-DEKA |
| Operating Temperatures | -40°F - 140°F |
| Warranty | 1 year warranty |
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About product
The MK Battery Deka 8G31-HST is a premium 12V sealed Gel deep cycle battery engineered for solar and renewable energy systems. With genuine gel technology and a maintenance-free design, this battery offers reliable long-term performance in demanding off-grid and backup applications.
The 8G31-HST uses genuine gel electrolyte, providing enhanced cycle life and durability compared to AGM or flooded batteries. It’s built for deep discharges and frequent cycling, making it ideal for photovoltaic systems, wind generation, remote monitoring, and off-grid power setups.
The battery features a reinforced, heat-sealed polypropylene case and cover, 100% leak-tested for maximum reliability. Its robust casing resists bulging and stands up to challenging environmental conditions.
The Deka 8G31-HST excels in a wide range of uses including residential solar, water pumping, cathodic protection, railway signaling, and lighting. With minimal maintenance and excellent cycle life, it delivers dependable energy storage wherever it’s needed.
Manufactured by East Penn Manufacturing and distributed by MK Battery, this battery is proudly made in the USA and backed by stringent quality standards for long-term peace of mind.
12.93 ˣ 6.74 ˣ 9.33 in (328 ˣ 171 ˣ 237 mm)
68.5 lbs (31.0 kg)
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Deka batteries represent the pinnacle of American battery manufacturing excellence, produced by East Penn Manufacturing since 1946 when Air Force veteran DeLight Breidegam Jr. started a battery business with his father in a small one-room creamery in Bowers, Pennsylvania. Today, East Penn owns and operates the largest single site battery manufacturing facility in the industry, serving customers worldwide with reliable power solutions.
East Penn Manufacturing is America's largest family owned and operated battery, wire and cable manufacturer. East Penn Manufacturing makes thousands of Deka Batteries in different sizes and types of lead-acid batteries as well as battery accessories for virtually any application. The company has built its reputation on quality, with East Penn's Deka batteries going through a series of over 250 stringent quality control checks and extensive testing to ensure the industry's most accurate and dependable ratings.
The East Penn manufacturing site includes a modern U.S. EPA permitted lead smelter, refinery and recycling center where virtually 100% of every used lead-acid battery returned to East Penn is recycled. This comprehensive approach ensures environmental responsibility while maintaining manufacturing efficiency at their Pennsylvania facility.
Deka car batteries deliver reliable performance for everyday vehicles, featuring maintenance-free designs that eliminate the need for regular electrolyte checks. These batteries provide consistent cold cranking amps to ensure reliable starts in all weather conditions.
Deka marine batteries are engineered specifically for harsh marine environments. The Marine Master series offers exceptional durability for boats, yachts, and watercraft applications, providing reliable deep-cycle performance for trolling motors and onboard electronics.
Deka motorcycle batteries and the ETX power sports line deliver dependable performance for recreational vehicles. These compact, high-performance batteries are designed for motorcycles, ATVs, snowmobiles, and other powersports equipment requiring reliable starting power.
Deka offers comprehensive motive power solutions for industrial applications including forklifts, tractors, and material handling equipment. These heavy-duty batteries are built to withstand demanding commercial environments.
Deka solar batteries provide reliable energy storage for renewable energy systems. East Penn's cutting edge R&D and innovation supports smart grid technology and renewable energy operations. These deka solar batteries deep cycle designs are optimized for daily charge-discharge cycles in off-grid and backup power applications.
The Deka Unigy I Telcom Series uses exclusive IPF technology to optimize power capacity, cell consistency, and long-term reliability. These batteries serve critical backup power needs for telecommunications and data center applications.
Revolutionary Deka Fahrenheit technology is built to thrive in high temperature environments, ensuring optimal performance across varying conditions from freezing temperatures to extreme heat.
Deka agm batteries automotive applications feature leak-proof, maintenance-free designs that resist vibration and provide superior performance in demanding conditions.
MK Battery's Sealed Gel Cell Batteries set the standard by which all other Gel Cell batteries are judged. The deka dominator gel batteries combine advanced gel electrolyte technology with robust construction for extended service life.
All Deka Unigy production facilities are certified to meet globally recognized ISO 9001 and TS16949 quality standards. American-made quality with over 75 years of manufacturing expertise.
All batteries shipped meet or exceed IEEE-485 and Telcordia capacity requirements. Rigorous testing ensures industry-leading reliability and performance.
East Penn has always been committed to taking actions that protect the health, safety, and vitality of our environment, our employees, and the surrounding community. Comprehensive recycling programs support sustainability.
Family-owned American manufacturing supports domestic jobs while ensuring quality control and supply chain reliability.
Marine enthusiast Tom R. from Florida shares: "I've been running deka marine master batteries in my fishing boat for over five years. Even in the harsh saltwater environment, these batteries consistently deliver reliable power for my trolling motor and electronics."
— Tom R., Florida Marine Enthusiast
Commercial fleet manager Sarah M. notes: "Our switch to deka maintenance free car batteries reduced our maintenance costs significantly. The consistent performance across our 200-vehicle fleet has been impressive."
— Sarah M., Commercial Fleet Manager
Finding deka batteries near me is easy through East Penn's extensive authorized dealer network. Major retailers, automotive stores, and marine dealers across the United States stock genuine Deka products with full warranty support.
East Penn Manufacturing is the company name and "Deka" is a brand name that EPM owns. East Penn Manufacturing has been producing Deka batteries since 1946 at their Pennsylvania facility.
Deka offers comprehensive battery solutions including automotive, marine, motorcycle, industrial, solar, and telecommunications applications, with over 4,000 different battery configurations available.
Yes, most modern Deka batteries feature sealed, maintenance-free construction that eliminates the need for regular water additions or electrolyte maintenance.
Deka batteries are available through authorized dealers nationwide, including automotive stores, marine suppliers, and battery specialty retailers.
Warranty coverage varies by application and battery type, with automotive batteries typically offering 36-month warranties and marine batteries providing 12-month coverage.
Ready to power your equipment with premium American-made Deka batteries?
Contact your local authorized Deka dealer for competitive pricing on reliable battery solutions backed by industry-leading warranties and American manufacturing excellence.
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