Marathon® FT Valve Regulated Lead Acid batteries are the industry-proven power solution to a variety of telecommunications and electric utility applications. Superior design principles have been applied across a wide capacity range to assure a combination of long life, solid discharge performance and scalability to almost any power need.
Design life in years: 10 @ 25°C
Nominal capacity: 86 – 180 Ah @ 25°C
Grid plate
Block battery
Valve regulated lead-acid batteries
Maintenance-free (no topping-up)
Recyclable
- Marathon® FT batteries are excellent AGM power packages offering a simplified modular power concept
- Designed in accordance with IEC 60896-21/-22
- Flame-retardant reinforced container and cover compliant with UL 94 V-0
- Central degassing
- EUROBAT Classification: Long Life
System ampere-hour range – 104 to 4800 Ah to 1.75 VPC at 8-hour rate @ 25°C (77°F).
Electrolyte – 1.310 specific gravity acid (nominal).
Safety vent – 3-10 psi opening pressure, self-resealing.
Terminals – Solid copper insert.
Positive plate – Patented lead calcium tin silver alloy.
Negative plate – Lead calcium grid alloy.
20 years design life in float applications at 25°C (77°F)
1200 cycles to 80% DOD at 25°C (77°F)
Operating temperature – Temperature excursions between -40°C (-40°F) to +50°C (122°F) allowed (battery performance and life will be affected).
Self-discharge – 0.5 to 1% per week maximum @ 25°C (77°F).
Float voltage – 2.23 to 2.27 VPC.
Container and Cover - Polypropylene is standard. Flame retardant, UL94 V-0/28% L.O.I. is optional.
Enhanced post access for maintenance and battery health assessment