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NorthStar NSB210FT RED 12V 204Ah thin plate pure lead AGM front terminal telecom battery, male M6 terminals
NorthStar NSB210FT RED 12V 204Ah thin plate pure lead AGM front terminal telecom battery, male M6 terminals

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NorthStar NSB210FT RED Pure Lead - Long Life Battery

$689.95
SKU: NSB210FT-RED
Availability: Request Quote For Availability
Minimum Purchase: 4 units
Shipping: Free shipping on orders $75 and up
Voltage: 12
Chemistry: Thin plate pure lead AGM (VRLA), 99.9% pure lead
Features: Pure lead AGM, long float life, -40F to 149F, UL94 V-0 case, 3-year EnerSys warranty
Capacity: 204 Ah (8-hour rate to 1.75 VPC at 77F (25C))
Terminal: Front terminal, male M6 threaded post, three-stage design, torque 9.0 Nm (80 in-lbs)
Dimensions: 22.0 x 4.9 x 13.02 in (L x W x H)
Design Life: 15+ years at 20C (68F); EUROBAT Very Long Life (12+ years)
Group Size: Not published by NorthStar; 22.0 x 4.9 in front-terminal telecom case
NorthStar NSB210FT RED Pure Lead - Long Life Battery

NorthStar NSB210FT RED Pure Lead - Long Life Battery

$689.95

Out of stock

Description  

NorthStar NSB210FT RED Battery - 12V 204Ah Pure Lead AGM, Front Terminal

The NSB210FT RED is a member of NorthStar's standard RED front-terminal range: 12 volts, 204 Ah at the 8-hour rate to 1.75 VPC at 77°F (25°C), measuring 22.0 by 4.9 by 13.02 inches at 139 lbs (63 kg). The terminals are male M6 posts on the front face. The RED build uses 99.9% pure lead electrochemistry and thin plates, which raises temperature and corrosion resistance and slows component aging, and it is drawn for long float life on both reliable and unreliable grids. Design life is 15 or more years at 68°F (20°C), which EUROBAT classifies as Very Long Life. Quoted in sets of four or more.

Warranty

The NSB RED Battery carries a three-year EnerSys warranty. Design life is a separate EnerSys figure: 15 or more years at 68°F (20°C). Terms are confirmed in writing with your quote.

Why the RED Build Exists

The RED line is NorthStar's long-float-life build, and what earns it that description is the lead. At 99.9% purity the grid corrodes more slowly and the plates age more slowly, so the capacity curve stays flatter for longer than a conventional alloy AGM manages on the same duty. Thin plates give a large surface area, high power density and low internal resistance, which is what lets a front-terminal block this size hold a heavy telecom load down to end voltage. It is built for standby: the battery floats for years and is asked to work a handful of times. Where a site cycles the battery on purpose, the BLUE+ line is the one drawn for that duty. Where the cabinet runs hot, the HT RED build is drawn for sustained operation at 104°F (40°C), and EnerSys warrants it for four years.

Technical Specifications

Nominal Voltage12V (6 cells)
Capacity, 8-Hour Rate204 Ah to 1.75 VPC at 77°F (25°C)
Capacity, 10-Hour Rate204 Ah to 1.80 VPC at 68°F (20°C)
ChemistryThin plate pure lead AGM (VRLA), 99.9% pure lead
Internal Resistance3.3 milliohms
Short Circuit Current3,850 A
Float Voltage2.29 VPC at 68°F (20°C) / 2.27 VPC at 77°F (25°C)
Terminal TypeFront terminal, male M6 threaded post, three-stage design, torque 9.0 Nm (80 in-lbs)
Length22.0 inches
Width4.9 inches
Height13.02 inches
Weight139 lbs (63 kg)
Operating Temperature-40°F to 149°F (-40°C to +65°C)
Shelf LifeUp to 24 months
ContainerUL94 V-0 rated flame retardant, highly resistant to shock, vibration and elevated operating temperatures
TransportApproved as non-hazardous cargo for ground, sea and air
StandardsTelcordia SR4228, IEC 60896; Bellcore GR-63-Core; UL approved and UN2800 certified
MonitoringCompatible with the optional EnVision Connect system monitor
Design Life15+ years at 68°F (20°C); EUROBAT Very Long Life (12+ years)
Warranty3 years (EnerSys)
Specification SourceNorthStar NSB RED range summary, AMER-EN-RS-NSB-RED-0625 (EnerSys, 2025), read first-hand; operating range per the NorthStar per-model data sheet, which governs for this line
Technical Documentation
NorthStar NSB RED range summary, AMER-EN-RS-NSB-RED-0625 (PDF)  ·  NorthStar NSB RED performance and discharge tables (PDF)

Where This Battery Is Used

  • Telecom backup, inside and outside plant - -48 volt strings on 19 and 23-inch shelves, where the front-terminal format puts every connection on the aisle side.
  • Cable TV and broadband plant - powering nodes and headend reserves that float for years between events.
  • Emergency lighting and life safety - installations where the 15-year design life is written into the specification.
  • Railway, oil and gas - remote standby on grids that cannot be relied on, which is the condition the RED line was drawn for.

Ordering and Freight

Sold in a minimum of four units. Four NSB210FT RED come to about 556 lbs on a pallet and ship freight pre-paid by LTL to a commercial address; a residential or limited-access delivery adds $100 for the liftgate and access charge the carrier passes through, and most cell sites qualify as limited access. Send the quantity, your delivery ZIP and your requested-by date. A battery specialist confirms availability, volume pricing and the correct part in writing, with the spec sheet, in 24 to 48 hours.

Frequently Asked Questions

Why does the NSB210FT RED quote an 8-hour rate?

Because the 2025 RED range summary rates the top block at the 8-hour rate to 1.75 VPC at 77°F, which gives 204 Ah. The spec table also carries the 10-hour figure, 204 Ah to 1.80 VPC at 68°F, so it can be set beside the 155FT and 170FT, which are rated at the 10-hour rate. Compare blocks at the same rate, end voltage and temperature, or the capacity figures will not line up.

How do RED, HT RED and BLUE+ differ?

By duty and by cabinet temperature. RED is the long-float-life standby build: 15+ year design life, -40°F to 149°F operating range, and a three-year EnerSys warranty. HT RED shares that range and adds sustained operation at 104°F as a published characteristic, and EnerSys warrants it for four years. BLUE+ is the cycling build, rated 2050 cycles at 50% depth of discharge with a 12+ year design life, and its warranty term is confirmed in writing with your quote. Match the build to how the site treats the battery and to how hot the cabinet gets, then size the capacity.

Does the NSB210FT RED ship as hazardous cargo?

No. The block is a sealed, non-spillable VRLA design certified under UN2800, the classification that lets it travel as non-hazardous cargo by ground, sea and air with its terminals protected against short circuit. The pallet moves by ordinary LTL. If the blocks are going onward by air to a remote site, tell the specialist so that leg is planned with the order.

Can I add one new block to an aged NSB210FT RED string?

Rarely a good idea. In a series string the weakest block sets the runtime, so a new block put into an aged string ages down to the string rather than lifting it, and the replacement delivers less than its own sheet says. A young string with one early failure is worth a call before anything is bought. If the string is several years old, the honest answer is usually to plan the whole string and keep the good survivors as spares. Send the install date and the last set of float readings and a specialist will tell you which case you are in before anything is ordered.

Running hot? NorthStar NSB210FT HT REDThe same footprint rated for sustained 104°F operation, with a four-year EnerSys warranty.
Replacing a NSB210FT RED string?

Send the quantity, your delivery ZIP and the cabinet layout. A specialist confirms the 22.0 by 4.9 inch footprint against the shelf, checks the terminal hardware against your cabling, and quotes the set with lead time and freight in writing.

Call 1-877-775-4381  ·  battery specialists, not a call center

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov (State of California only).

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