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SigmasTek  |  SKU: BW-9210

Merits MP3W High Performance Replacement Battery for Wheelchair 36.03 lb

21% off
New arrival
Sale price $209.99 USD Regular price $265.99
Shipping calculated at checkout.
Factory fresh Merits MP3W wheelchair battery with high-quality construction
100% compatible replacement for Merits MP3W units using SP12-55 NB (12V 55AH)
Absorbent Glass Mat (AGM) technology ensures deep cycle performance and durability
Valve regulated, spill-proof design for safe and reliable use in mobility devices
Comes with a 1-year warranty and guaranteed performance for long-lasting power
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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

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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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

Merits MP3W Replacement Battery — SP12-55 NB

Restore power to your Merits MP3W wheelchair with this brand-new replacement battery designed for perfect compatibility. This SP12-55 NB unit provides 12 Volts and 55 AH of deep-cycle energy in an AGM, valve-regulated package, making it a dependable, high-performance battery option. Ideal for daily mobility needs, this replacement battery offers the long-lasting battery life and safety certifications necessary for worry-free operation.

Key Specifications

  • Compatible Model: Merits MP3W
  • Part Number: SP12-55 NB
  • Voltage: 12 Volts
  • Capacity: 55 AH
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Usage Type: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt

Benefits

  • Durability: The AGM, sealed design provides vibration resistance and spill-proof operation for reliable use in mobility equipment.
  • Long Life: Specifically designed for deep-cycle applications, this battery provides extended service life and consistent capacity through many cycles.
  • High Performance: High energy density and efficient construction make this a high-performance battery that supports sustained operation and responsive power delivery.
  • Certified & Safe: U.L. recognition and CE certification ensure compliance with quality and safety standards.
  • Multiple Uses: While matched to the Merits MP3W, this battery is also well suited for electric wheelchairs, power chairs, mobility scooters, UPS backups, emergency power deployments, and compatible tool systems.
  • Hassle-Free Swap: Replace using your existing cables and hardware for a straightforward installation that gets you back on the move quickly.
  • Warranty Protection: Backed by a 1-year warranty and delivered brand-new, this replacement battery gives reliable value and support.

Ready to upgrade your Merits MP3W with a dependable replacement battery? Purchase this long-lasting battery today for a high-performance solution with quick shipping on in-stock inventory. Order now and restore the power and reliability your mobility device depends on.

Technical Specifications

Voltage12 Volts
Amp Hours55 AH
Terminal TypeNut & Bolt
Length (in.)9.04
Width (in.)5.45
Height (in.)8.15
Weight (lb.)36.0

Product Highlights

  • Brand Replacement : Merits MP3W Wheelchair
  • Manufacturer: SigmasTek
  • Product Type: Medical Equipment Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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