NorthStar NSB 12-425 Red

The NorthStar NSB 12-425 Red UPS Battery delivers superior performance at high discharge rates down to <15 mins. The NSB 12-425 offers performance that excels at high rates of discharge and recharge. Pure lead electrochemistry greatly increases temp and corrosion resistance while reducing component aging. The thin plates deliver large surface area high power density and low resistance. With a design life of 15+ years at 20°C (68°F) meets the EUROBAT design life definition of Very Long Life (12+ years).

NorthStar NSB 12-425 Red Features

  • Operating temperature range -40°C to +65°C (-40°F to 149°F)
  • State-of-the-art automated manufacturing ensures consistency and reliability
  • Advanced 3 stage terminal design to ensure leak-free operation – 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
  • Non-halogenated thermally sealed plastic casing
  • Approved as non-hazardous cargo for ground sea and air transport DOT 49CFR173.159(d), (i) and (ii)


Height 8.4 in
Width 6.8 in
Length 13.4 in
Weight 75 lbs
Terminal Female M6 x 1.0
Terminal torque 8.0 Nm (71 in-lbs)
4C (15 min) power to 1.67 VPC 397 Watts/Cell
Float voltage 2.27 VPC
Shelf life up to 24 months
Conductance 1875 S
Impedance (1Khz) 2.4 mΩ @ 25°C (77°F)
Short circuit current 3900 A
Operation temperature range -40°C to +65°C
Nominal voltage 12 V
Silver equilvalent NSB 12-400
Capacity W/cell (15 min)
For more information about NorthStar Batteries,
call 800-876-9373 or email [email protected].