The Power Experts

NorthStar NSB 125 Silver

NorthStar NSB 125 Silver Series top terminal telecom battery

NSB 125 TT

NorthStar NSB Silver Series has been replaced with the NorthStar Red Series. NSB 125 Red in the replacement for this Silver Battery.

The NorthStar NSB 125 Silver Battery® is a premium, high density battery designed to offer ten to fifteen years of trouble free service in standby emergency power (float) applications. They are best suited to deliver high power and cyclic capability in semi stable grid applications.

High energy density allows for maximum backup times, minimizes the battery footprint and reduces floor loads. The Silver Battery has fast recharge times, a long cycle life and a shelf life of two years.


  • 12 volt, 129 Ah
  • Dimensions:  13.6 in L x 6.8 in W x 10.8 in H
  • Weight:  98 lbs
  • Terminal Type: Female M6 Leak Proof


  • 10 Year float life at 25 degrees Celsius (77 degrees Fahrenheit)
  • Operating temperature range -40 degrees Celsius to 65 degrees Celsius
  • High cycle capability, high energy density
  • Fast recharge performance
  • Integral handles and front access terminals ensure ease of installation and maintenance
  • State-of-the-art automated manufacturing ensures consistency and reliability
  • Advanced 3 stage terminal design to ensure leak-free operation – female M6 brass terminals provide maximum performance
  • High modulus Polyphenylene Oxide (PPO) plastic materials designed to withstand extended elevated operating temperatures and maintain high battery compression essential for reliable operation


  • Approved as non-hazardous cargo for ground, sea and air transport DOT 49CFR173.159(d), (i) and (ii)
  • Case and cover Flame retardant (UL 94 VO) and LOI of at least 28%

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