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SigmasTek  |  SKU: BW-9149

Fortress Scooters Centurion High Performance Wheelchair Replacement Battery

Sale price $313.99 USD Regular price $480.28
Shipping calculated at checkout.

➤ Factory fresh replacement batteries for Fortress Scooters Centurion wheelchairs

➤ 100% compatible with Fortress Scooters Centurion units, ensuring seamless fit

➤ Advanced AGM technology for deep cycle use and spill-proof safety

➤ High energy density delivers longer run times and reliable power

➤ Includes 1 year warranty and certified for quality and performance


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 55 AH

Terminal Type

Nut & Bolt

Replacement Fortress Scooters Centurion Battery — Compatible with Fortress Scooters Centurion

Bring reliable, long-lasting power back to your Fortress Scooters Centurion with this replacement battery set. These factory-fresh batteries are 100% compatible with the Fortress Scooters Centurion unit and deliver the deep-cycle performance needed for everyday mobility. Designed for consistent output and dependable runtime, this high-performance replacement battery ensures your Centurion stays ready whenever you are.

Key Specifications

  • Compatible Model: Fortress Scooters Centurion
  • Required Quantity: 2 batteries (SP12-55 NB)
  • Model / Part Number: SP12-55 NB
  • Voltage: 12 V
  • Capacity: 55 AH
  • Terminal Type: Nut & Bolt
  • Battery Technology: Absorbent Glass Mat (AGM)
  • Usage Type: 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
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Performance: Performance Guaranteed

Benefits

Engineered for durability, the AGM design and valve-regulated construction provide a durable, maintenance-free power solution that resists spills and vibration. This long-lasting battery excels in deep-cycle applications, delivering steady power across repeated charge cycles for improved overall lifespan and reliable day-to-day performance. As a high-performance battery choice, users will benefit from superior energy density, meaning more usable power within a compact footprint.

The SP12-55 NB set is ideally suited for electric wheelchairs, power chairs, mobility chairs, and mobility scooters — exactly the kinds of applications Fortress Scooters Centurion owners rely on. Additionally, sealed AGM batteries like these are often used in UPS systems, emergency backup power, and small equipment or tool charging where a safe, spill-proof, and reliable sealed lead-acid battery is preferred.

Installation is simple: use the existing cables and hardware from your original configuration to connect the two SP12-55 NB batteries. With U.L. and CE recognition plus a one-year warranty and factory-fresh condition, this replacement battery provides trusted performance and value. Performance is guaranteed to meet the needs of mobility users seeking dependable power.

Ready to upgrade to a dependable, replacement battery for your Fortress Scooters Centurion? Buy now to restore full mobility and enjoy fast shipping and dependable customer support.


Payment & Security

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