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SigmasTek  |  SKU: BW-9091

Invacare Nutron R51 High Performance Wheelchair Replacement Battery 72.06 lb

21% off
New arrival
Sale price $385.99 USD Regular price $489.99
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Factory fresh, brand new replacement batteries for Invacare Nutron R51
100% compatible with Invacare Nutron R51 wheelchair models
Absorbent Glass Mat (AGM) technology for deep cycle performance
Valve regulated, spill-proof design ensures safety and reliability
Includes 1-year warranty with guaranteed high performance and energy density
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 55 AH

Terminal Type

Nut & Bolt

Replacement Invacare Nutron R51 Batteries — Compatible SP12-55 NB

Ensure reliable operation of your Invacare Nutron R51 with our brand-new replacement batteries. These factory-fresh, fully compatible units are built to provide the steady power and dependable runtime necessary for daily mobility and emergency use. Choose a proven, long-lasting battery solution to bring back consistent performance to your Nutron R51.

Key Specifications

  • Compatible Model: Invacare Nutron R51
  • Battery Model: SP12-55 NB
  • Voltage: 12 Volts
  • Amp-Hours: 55 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof
  • Energy Characteristics: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Performance: Performance Guaranteed
  • Requires: 2 batteries for the Invacare Nutron R51 unit
  • Brand: SigmasTek
  • Warranty: 1 Year

Benefits

This replacement battery offers long life and reliable performance, making it an excellent high-performance battery choice for mobility systems. AGM technology provides maintenance-free operation and improves tolerance to vibration and shock, enhancing overall durability. Designed for deep cycle applications, the SP12-55 NB maintains steady voltage and dependable capacity over many charge cycles.

Valve-regulated, spill-proof construction simplifies handling and installation while reducing the risk of acid leakage. The optimized power/volume ratio increases energy density so you get better runtime without unnecessary weight. U.L. recognition and CE certification reaffirm the battery’s quality and safety credentials, giving you confidence in your purchase.

Common applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Whether used for everyday outings or as an emergency reserve, this long-lasting battery helps maintain mobility and independence. The nut & bolt terminals permit secure reconnection using your existing cables and hardware, ensuring a straightforward replacement process.

Buy your replacement Invacare Nutron R51 SP12-55 NB batteries today to secure reliable, long-lasting battery power for your mobility device. In-stock items typically ship within 24 hours. Need help? Contact customer service at (800) 657-1303. Add to cart now and restore dependable performance to your mobility equipment.

Technical Specifications

Voltage12 Volts
Amp Hours55 AH
Terminal TypeNut & Bolt
Length (in.)9.04
Width (in.)5.45
Height (in.)8.15
Weight (lb.)72.0

Product Highlights

  • Brand Replacement : Invacare Nutron R51
  • Manufacturer: SigmasTek
  • Product Type: Medical Equipment Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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