Description
MK Battery / Deka GC15DT-DEKA — 6 V 215 Ah Flooded Deep-Cycle Battery (Group GC15)
Overview
The Deka GC15DT-DEKA is a rugged, deep-cycle 6 V flooded (wet) battery built by MK Battery / East Penn Manufacturing for renewable-energy, mobility, and industrial applications requiring dependable power and long cycle life. Rated at 215 Ah @ C/20, it delivers consistent capacity and durability under daily cycling when properly maintained.
Proudly Made in the USA
Every MK Battery / Deka GC15DT-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
- Flooded, serviceable design for deep-cycle longevity
- High capacity: 215 Ah @ C/20 · 239 Ah @ C/100
- Durable polypropylene case and cover
- Individual quarter-turn bayonet vent caps for easy maintenance
- Proven Deka reliability and American manufacturing quality
Applications
- Off-grid solar / hybrid systems
- Golf carts and utility vehicles
- Telecom, SCADA, and industrial controls
- Marine and RV power systems
Technical Specifications
| Model | GC15DT-DEKA (Flooded / Wet) |
|---|---|
| Nominal Voltage | 6 V |
| Capacity | 215 Ah @ C/20 · 239 Ah @ C/100 · 178 Ah @ C/6 |
| Dimensions (L × W × H) | 10.25″ × 7.13″ × 10.63″ (260 × 181 × 270 mm) |
| Weight | 63 lb (28.6 kg) |
| Terminal Type | T881 (dual terminal post) |
| Case Material | Polypropylene |
| Operating Temperature Range | 60 °F (16 °C) to 120 °F (49 °C) |
| Charge Voltage @ 68 °F (20 °C) | Cycle 1.15–1.17 VPC · Float 1.20–1.22 VPC |
| Self-Discharge Rate | ≈ 1 % per week |
| Vent Type | Individual quarter-turn bayonet vent caps |
| Certifications | ISO 9001 · ISO/TS 16949 |
| Country of Manufacture | USA (East Penn Manufacturing) |
Specifications per MK Battery EPGC15 data sheet:contentReference[oaicite:1]{index=1}.
Design & Performance
The GC15DT-DEKA employs thick, lead-antimony plates and abundant electrolyte volume to handle deep-cycling service with minimal degradation. Individual bayonet vents simplify watering, while the polypropylene case resists impact and acid corrosion. With ISO-certified production and strict quality controls, it provides exceptional reliability for renewable, motive-power, and standby applications.
