Stryten Energy E-Series 2-PDQ25 Flooded Lead Calcium Battery - PDQ Product Line
Stryten Energy's E-Series PDQ Flooded Lead Calcium batteries provide high-rate, rapid-response power solutions engineered for today's most demanding environments - including data centers, government institutions, healthcare facilities, utlility plants, and other sectors requiring uninterruptible power supply (UPS) systems. Available in 4-volt and 8-volt multi-cell configurations, the PDQ Series are designed for applications requiring substantial bursts of power over short durations, making them ideal for critical backup operations. Stryten's E-Series Flooded Calcium PDQ batteries deliver nominal ratings from 1609 to 4217 watts per cell. Their precision-engineered grids and separators are optimized to provide near-instantaneous current flow, ensuring fast and reliable response to sudden load demands. Whether supporting critical IT infrastructure, maintaining uptime in healthcare systems, or powering secure government operations, the E-Series PDQ product line is a trusted solutions for high-power, short-duration needs.
Key Features & Benefits
- Design life of up to 20 years
- Superior terminal post design
- Reduced grid growth and corrosion
- Minimized positive-plate shedding
- Low resistance and high rate performance
- Flame retardant case and cover options
- Enhanced safety and accessibility features
- Easy maintenance and installation
- Fully recyclable
Applications
- Emergency Lighting
- Central Office
- Inside Plant
- Data Center
- UPS
- Government
- Healthcare
- Safety Lighting
- Security Lighting
Stryten 2-PDQ25 Construction Details
- Heavy-duty container (ABS) and (SAN) cover plastics
- Flame retardant POLY-FR option (UL94 V-0 / 28% L.O.I.)
- Flame retardant PVC option (UL94 V-0 / 32% L.O.I. in 2-cell containers)
- Wrapped separator design to minimize positive-plate shedding effects
- Two lead-plated posts with copper insert (one negative and one positive per cell)
- Dual seal (O-ring and flat gasket) design to prevent acid creep into the post area
- Flat plate flooded design with patented lead-calcium-tin-silver alloy
- Electrolyte level lines on all container faces
- Combination flash arrester/fill funnel for each cell
- Electrolyte withdrawal sampling tubes for specific gravity readings
Specification Details for 2-PDQ25 by Stryten Energy
| ATTRIBUTES |
DETAILS |
General Info |
Chemistry |
Flooded Lead Calcium (PbCa) |
Voltage |
4V |
Capacity |
3913WPC @ 15 Min Rate |
Cells Per Unit |
|
|
Dimensions
- Length
- Width
- Height
|
12.15 inches / 309 mm
14.50 inches / 368 mm
22.62 inches / 575 mm
|
Weight |
471 lbs / 214 kgs |
Container Type |
Styrene Acrylonitrile (SAN) Plastic
|
Terminal Type |
|
Terminal Material |
|
Design Life |
20 Years |
Warranty |
1 Year Full 20 Pro Rata |
Electrical Specifications & Performance Characteristics |
Float Charging Voltage |
2.23 VPC - 2.33 VPC ± 0.05 VPC |
Equalizing Charging Voltage |
2.33 VPC - 2.45 VPC ± 0.05 VPC |
Internal Resistance |
Approx. 5 mΩ |
Operating Temperature Ranges |
Nominal: 60°F (16°C) - 90°F (32°C)
Charge: 70°F (21°C) - 90°F (32°C)
Storage: 60°F (16°C) - 90°F (32°C)
|
Specific Gravity |
1.250 @ 77°F (25°C) - 1.215 SPG optional
|
Electrolyte |
Lead Calcium / Lead Calcium Tin
|
Construction Details |
Cell Cover |
Acrylonitrile Butadiene Styrene (ABS) Plastic
|
Grid Alloy |
Negative: Lead-Calcium
|
Separators |
|
Retainers |
|
Posts |
One negative, one positive 1.75 inch x 0.5 inch Post Per Cell
|
Post Seals |
Floating "O" Ring - Seal Nut
|
Vents |
Stryten Energy "Pre-Vent" Flame Arrester
|
Level Lines |
High and Low - All Jar Faces
|
Electrolyte Withdrawal Tibes |
1 Per Cell |
Inter-Cell Connectors
|
Lead Plated Copper |
|
Positive Plate Dimensions
- Height
- Width
- Thickness
|
15.5 inches / 393.7 mm
12.75 inches / 317.5 mm
0.175 inches / 5.00 mm
|
|
Negative Plate Dimensions
- Height
- Width
- Thickness
|
15.5 inches / 393.7 mm
12.75 inches / 317.5 mm
0.130 inches / 3.43 mm
|
Certifications & Safety Compliances
- UL Recognized Components
- UL94 V-0
- Flame Retardant Case & Cover
Options & Accessories
- 1.215 Specific Gravity Options Available
- POLY-FR Cover (UL94 V-0) Options Available
- PVC Cover (UL94 V-0) fOptions Available *for 2-PDQ models only*
- Contact a member of the Power Storage Solutions Sales Team for additional information on options and accessories.
Explore Other Models in the Stryten Energy PDQ Series
- 4-PDQ11
- 4-PDQ13
- 4-PDQ15
- 4-PDQ17
- 2-PDQ19
- 2-PDQ21
- 2-PDQ23
- 2-PDQ27
As your full-service provider, Power Storage Solutions offers more than just products—we provide turnkey installation, system design support, removal and recycling services, and compliance-focused maintenance. Our expert technicians ensure every install is safe, efficient, and built to last. We are proud to offer the following services:
Visit our services page to explore how we can protect your business operations and optimize your critical backup power systems.
