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SigmasTek  |  SKU: BW-9782

Fortress Scooters 1600ACV U1 High-Performance Wheelchair Replacement Battery

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

➤ Factory fresh replacement batteries for Fortress Scooters 1600ACV U1

➤ 100% compatible with original wheelchair battery specifications

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

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

➤ Backed by a 1-year warranty for reliable performance and peace of mind


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Replacement Fortress Scooters 1600ACV U1 Battery - SP12-35 NB (12V 35AH)

Upgrade your Fortress Scooters 1600ACV U1 with a factory-fresh, high-quality replacement battery engineered for dependable performance and reliability. This replacement battery is 100% compatible with the Fortress Scooters 1600ACV U1 and designed to provide consistent, long-lasting battery power for mobility applications. Whether you rely on your scooter daily or need a trusted spare, this high-performance battery restores mobility, confidence, and peace of mind.

Key Specifications

  • Model Compatibility: Fortress Scooters 1600ACV U1
  • Replacement Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH (Amp-hours)
  • Terminal Type: Nut & Bolt (NB)
  • 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
  • Installation Note: Requires use of all existing cables and hardware from original configuration
  • Unit Requirement: Fortress Scooters 1600ACV U1 requires 2 batteries (per unit)

Benefits

  • Durability: Built with AGM and valve-regulated, spill-proof construction for rugged, maintenance-free use in mobility environments.
  • Long Life: Deep cycle design and superior energy density provide a long-lasting battery solution that extends run times and reduces replacement frequency.
  • High Performance: Engineered to deliver reliable output under load—perfect as a high-performance battery option for daily mobility demands.
  • Safe and Certified: U.L. Recognized and CE Certified for added safety and regulatory compliance in mobility devices.
  • Typical Applications: Ideal for electric wheelchairs, power chairs, mobility chairs, mobility scooters, and suitable as a dependable replacement battery for light UPS, emergency power standby, and portable power tools where 12V 35AH AGM performance is required.
  • Convenience: Factory-fresh condition and 1 year warranty give confidence in purchase and use.

Ready to restore peak performance to your Fortress Scooters 1600ACV U1? Order this replacement battery today and enjoy superior performance, a long-lasting battery life, and exceptional value. Purchase now to get fast shipping and supported service for installation questions.


Payment & Security

Payment methods

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  • Diners Club
  • Discover
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  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

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