Discover EV8DA-AT 12V AGM Dry Cell Traction Battery – Group 8D Industrial Deep Cycle
The Discover EV8DA-AT is a 12V Group 8D AGM Dry Cell VRLA deep cycle battery engineered for demanding industrial traction applications. Designed to deliver long runtime, high operating current, and exceptional deep discharge recovery, it is ideal for equipment operating multiple times throughout the day.
Trusted by leading industrial OEMs for over a decade, Discover DRY CELL Traction batteries outperform conventional Flooded, AGM, and Gel batteries while providing maintenance-free operation, superior cycle life, and outstanding reliability.
Mechanical Specifications
| Specification | Value |
|---|
| Industry Reference | BCI Group 8D |
| Length | 20.6 in (522 mm) |
| Width | 10.8 in (275 mm) |
| Height | 8.7 in (222 mm) |
| Total Height | 9.5 in (242 mm) |
| Weight | 171.97 lbs (78 kg) |
| Terminal | AT |
| Battery Technology | AGM DRY CELL (VRLA) |
Electrical Specifications
| Specification | Value |
|---|
| Nominal Voltage | 12V |
| Internal Resistance | 2.45 mΩ |
| Short Circuit Current | 4,800A |
| Self-Discharge | 2–3% per month at 20°C (68°F) |
| Charge Temperature | -10°C to 50°C (14°F to 122°F) |
| Discharge Temperature | -40°C to 50°C (-40°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
Note: Internal resistance and short circuit current are approximate values. Additional system design considerations are recommended when operating continuously at maximum temperatures.
Capacity Ratings
| Discharge Rate | Capacity (Ah) |
|---|
| 3 Hour Rate | 215 Ah |
| 5 Hour Rate | 240 Ah |
| 20 Hour Rate | 280 Ah |
Capacity Reference: 3HR @ 1.70 VPC, 5HR @ 1.75 VPC, 20HR @ 1.80 VPC (25°C / 77°F).
Runtime Performance
| Discharge Current | Runtime (Minutes) |
|---|
| 25A | 645 |
| 56A | 280 |
| 75A | 205 |
| 85A | 170 |
| 100A | 140 |
Battery Features
| Technology | Benefit |
|---|
| Hydro Polymer Electrolyte | Prevents dry-out, resists thermal runaway, and maintains long-term performance. |
| Enhanced Alloy Plates | Thick graphite-enhanced plates maximize runtime and battery life. |
| Carbon Boost Technology | Improves duty cycle performance, charge acceptance, and partial state-of-charge operation. |
| Automated Through-Partition Weld | Higher current capability with lower internal resistance and stronger intercell connections. |
| Heavy-Duty Polypropylene Case | Excellent heat resistance, durability, integrated flame arrestors, and pressure relief valves. |
Key Benefits
| Category | Advantages |
|---|
| Extended Runtime | High amp-hour capacity with stable operating voltage throughout battery life. |
| Long Service Life | 550+ cycles at 70% DoD and 350+ cycles at 100% DoD. |
| Superior Durability | Excellent resistance to overcharge, deep discharge, vibration, and intensive duty cycling. |
| Extreme Temperature Performance | Reliable operation in both high and low temperature environments. |
| OEM Approved | Exceeds OEM specifications and is trusted by major industrial equipment manufacturers. |
| Maintenance-Free Design | Valve Regulated Lead Acid (VRLA), spill-proof, non-gassing, and maintenance-free. |
Applications
- Floor scrubbers and sweepers
- Electric pallet jacks
- Material handling equipment
- Aerial work platforms
- Industrial cleaning machines
- Electric utility vehicles
- Renewable energy storage
- Marine and off-grid power systems
