EnerRocket ES 42-12 | 12V 42Ah Long Life SMF VRLA Battery
ES 42-12 – 12V 42Ah Long Life SMF VRLA Battery
- 12V 42Ah SMF VRLA battery from the Long Life Series, rated at the 20-hour discharge rate.
- 10-year design life as per Eurobat standards.
- Absorptive Glass Mat (AGM) system with heavy-duty, highly optimized grids.
- Low internal resistance of ≤9.0 mΩ supporting fast charging.
- Maximum discharge current of 400A for 5 seconds.
- Charge acceptance of 16A for quicker recovery between outages.
- Wide operating temperature range for demanding installation environments.
- ABS container construction, with flame-retardant (FR) casing available as an option.
- Low self-discharge — 97% capacity retained after 1 month of storage at 20°C.
- Non-spillable, sealed, maintenance-free construction with gas recombination technology.
- Compliant with IEC 60896 Part 21 & 22; ISO 9001, UL and CE certified.
- Suitable for UPS, telecommunication, fire alarm & security, and medical equipment.
Feature
Catalogue
Feature
Technical Features
- Non-spillable sealed construction
- Sealed lead acid battery
- Absorptive Glass Mat System (AGM System)
- ABS (Acrylonitrile Butadiene Styrene) construction — flame-retardant (FR) casing optional
- Gas recombination technology
- Venting system for low internal pressure
- Low self-discharge
- Heavy-duty, highly optimized grids
- High power output
- Wide operating temperature
- Maintenance-free operation
Applications
- UPS Systems
- Telecommunication Systems
- Fire Alarm Safety & Security Systems
- Medical Equipment
Electrical Characteristics
- Nominal Voltage: 12V
- Capacity (25°C / 77°F): 42Ah at 20-hour rate, 40Ah at 10-hour rate, 37.55Ah at 5-hour rate
- Design Life: 10 Years
- Internal Resistance (25°C, 100% charge): ≤9.0 mΩ
- Self Discharge (20°C): 97% remaining capacity after 1 month
- Maximum Discharge Current: 400A for 5 seconds
- Maximum Charging Current: 16A
- Short Circuit Current: 950A
Charging Parameters
- Cycle Use (constant voltage, 25°C / 77°F): 14.4 to 14.7V, temperature compensation −30mV/°C
- Standby Use (constant voltage, 25°C / 77°F): 13.4 to 13.8V, temperature compensation −20mV/°C
Operating Temperature Range
- Discharge: −20°C to 60°C
- Charge: −10°C to 60°C
- Storage: −20°C to 60°C
- Normal Operating Temperature: 25°C ± 3°C
Physical Specifications
- Length: 197.5 mm
- Width: 165 mm
- Height: 170 mm
- Total Height: 170 mm
- Weight: 12.8 kg (±5%)
- Terminal: M6 threaded insert, Ø14 mm
Compliance & Certification
- IEC 60896 Part 21 & 22
- Design life as per Eurobat Standards
- ISO 9001 Quality Assured
- UL Listed
- CE Marked
Catalogue
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