Description
MK Battery / Deka® 8G27-DEKA | 12 V ~88 Ah Gel Deep-Cycle Battery
Overview
The Deka® 8G27-DEKA is a 12-volt, valve-regulated gel deep-cycle battery engineered for solar, mobility, and standby power applications. With a typical capacity of ~88 Ah at the 20-hour rate (and up to ~99 Ah at C/100), this sealed, maintenance-free battery features thixotropic gel electrolyte, a rugged polypropylene case, and is rated non-spillable—and built to perform where frequent deep-discharges and reliable recovery are required.
Domestic sourcing matters—here’s how this product qualifies:
Proudly Made in the USA
Every MK Battery / Deka® 8G27-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
- Sealed gel technology — no watering, no spillage, and minimal maintenance
- Rated ~88 Ah at C/20, ~99 Ah at C/100 under solar-cycle conditions
- Reinforced polypropylene case resists bulging; forged terminals and bushings for high durability
- Thixotropic gel electrolyte for stable performance during deep-cycling and high-vibration environments
- Manufactured in the USA at East Penn’s facility in Pennsylvania
Applications
- Off-grid or hybrid solar energy storage banks
- Telecom backup, SCADA, remote monitoring systems
- Marine, RV and mobility power systems requiring sealed, non-spillable batteries
- Standby or frequently cycled deep-discharge applications
Technical Specifications
| Model | 8G27-DEKA |
|---|---|
| Nominal Voltage | 12 V |
| Capacity @ C/100 | 99 Ah |
| Capacity @ C/20 | 88 Ah |
| Dimensions (L × W × H) | 12.83″ × 6.56″ × 9.33″ (326 × 167 × 237 mm) |
| Weight | ≈ 62 lb (28 kg) |
| Terminal Type | T876 (Flag post) |
| Case / Cover | Polypropylene |
| Operating Temperature Range | −76 °F (−60 °C) to +140 °F (60 °C) |
| Country of Manufacture | USA (East Penn Manufacturing) |
Specifications per MK Battery / Deka® data sheet. (PDF sourced) — Nominal ratings at 77 °F (25 °C) unless otherwise noted.
Design & Performance
The 8G27-DEKA features true gel-electrolyte construction that immobilizes sulfuric acid and prevents stratification, enhancing recovery and deep-cycle durability. Its sealed, non-spillable design makes it safe for indoor, mobile, or enclosed installations while delivering consistent output in solar, marine or industrial deployments.
