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SigmasTek  |  SKU: BW-9781

Fortress Scooters 1700FS Wheelchair High-Performance Replacement Battery

Sale price $214.25 USD Regular price $280.53
Shipping calculated at checkout.

➤ Factory fresh replacement batteries for Fortress Scooters 1700FS

➤ 100% compatible with Fortress Scooters 1700FS wheelchair units

➤ Uses Absorbent Glass Mat (AGM) technology for deep cycle performance

➤ Valve regulated, spill-proof design ensures safety and durability

➤ Includes 1 year warranty and meets U.L. and CE certification standards


📦🚀 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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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 | 35 AH

Terminal Type

Nut & Bolt

Replacement Fortress Scooters 1700FS Battery — SP12-35 NB (12V 35AH) for Fortress Scooters 1700FS

Maintain peak performance of your Fortress Scooters 1700FS with these brand new replacement Fortress Scooters 1700FS batteries (SP12-35 NB). Each 12V 35AH deep-cycle battery is factory fresh and designed to be 100% compatible with your mobility scooter. These high-performance batteries deliver reliable, long-lasting power so you can travel further with confidence.

Key Specifications

  • Model: SP12-35 NB (12 V 35 AH)
  • Compatible with: Fortress Scooters 1700FS wheelchair (requires 2 batteries)
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Cycle Type: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Performance Feature: 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
  • Performance: Performance Guaranteed

Benefits

  • Durability: AGM construction and valve-regulated, spill-proof design protect the battery from leaks and damage, making it rugged enough for daily mobility use.
  • Long Life: Built for deep-cycle performance, these long-lasting batteries handle repeated discharge and recharge cycles, extending usable life for mobility chairs and scooters.
  • High Performance: The optimized power-to-volume ratio offers exceptional energy density, delivering more run-time per charge without heavy added weight—an ideal high-performance battery for mobility applications.
  • Maintenance-Free: Sealed design eliminates the need for electrolyte maintenance, increasing convenience and safety for users of all ages.
  • Versatile Use: While intended for Fortress Scooters 1700FS, these replacement batteries also suit electric wheelchairs, power chairs, mobility chairs, mobility scooters, small UPS systems, emergency power packs, and select high-demand tools that require sealed 12V 35AH batteries.
  • Safety & Certification: U.L. recognition and CE certification confirm compliance with industry safety standards for battery-powered mobility equipment.
  • Easy Installation: Use all existing cables and hardware from your original configuration to install these batteries—straightforward replacement with standard nut-and-bolt terminals.

Buy your replacement Fortress Scooters 1700FS batteries today to enjoy a high-performance, long-lasting replacement battery that restores mobility and confidence. Order now for quick shipping and a 1-year warranty.


Payment & Security

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