EnerSys Lead Acid Batteries
- Discover Additional Solutions:
- EA-M and EC-M
- SBS XL-12V
- DSG
- CA-M and CC-M
PowerSafe E Batteries are available in Antimony Alloy (EA-M) and Calcium Alloy (EC-M). They have thick positive plates for long discharges, copper post inserts for better performance, and large double-hole posts for optimal connectivity.
PowerSafe EA-M batteries with antimony alloy plates are perfect for rugged applications. PowerSafe EC-M batteries with calcium alloy plates are best in long discharge applications with reduced watering requirements.
Key Features
- Capacity range: 215 to 850 Ah
- 20-year life expectancy in float service at 77°F (25°C)
- Slide-Lock™ post seal design protects seal while allowing for plate growth
Specifications
| Application | Switchgear and Substation, Industrial UPS |
| Technology / Chemistry | Flooded lead acid |
| Capacity (Min) – Europe Standard | 0 |
| Capacity (Max) – Europe Standard | 0 |
| Capacity (Min) – US Standard | 215 |
| Capacity (Max) – US Standard | 850 |
| Capacity US Standard | Ah / 8hr / 1.75Vpc / 77°F |
| Voltage (Min) | 2 |
| Voltage (Max) | 2 |
| Design | Top terminal |
Resources & Support
Product Literature
Support Documents
Video Resources
FAQs
What are the main differences between the EA-M and EC-M series batteries?
The EA-M series utilizes antimony alloy plates, making them ideal for cycling applications and environments with higher operating temperatures. In contrast, the EC-M series features calcium alloy plates, which are optimized for long discharge applications and have reduced watering requirements.
What is the expected service life of the EA-M and EC-M series batteries?
Both the EA-M and EC-M series are designed for a 20-year life expectancy in float service at 77°F (25°C) ambient temperature.
What are the recommended operating temperature ranges?
The recommended operating temperature range for these batteries is between 68°F to 86°F (20°C to 30°C). However, they can operate within a broader range of 32°F to 104°F (0°C to 40°C).
How often do these batteries require watering?
The EC-M series, with calcium alloy plates, has reduced watering requirements compared to traditional flooded lead-acid batteries, leading to longer intervals between maintenance. The EA-M series may require more frequent watering due to their antimony alloy composition.
Are these batteries suitable for high-rate discharge applications?
Yes, both series are equipped with thick positive plates and copper post inserts, enhancing their performance in high-rate discharge applications.
What safety features are included in these batteries?
The batteries incorporate several safety features, including:
- Tongue-and-groove jar-to-cover seal for enhanced structural integrity.
- Slide-Lock™ post seal design to accommodate plate growth without compromising the seal.
- Flame arrestors to prevent ignition of gases.
Can these batteries be used in seismic zones?
Yes, when installed with appropriate seismic-rated racks, these batteries can be used in areas prone to seismic activity.
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