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SigmasTek  |  SKU: BW-10132

Invacare FWD Jr. Wheelchair High-Performance Replacement Battery

Sale price $91.99 USD Regular price $140.27
Shipping calculated at checkout.

➤ Factory fresh Invacare FWD Jr. wheelchair battery for reliable performance

➤ 100% compatible with Invacare FWD Jr. unit using existing cables and hardware

➤ AGM technology ensures deep cycle durability and spill-proof safety

➤ High energy density provides longer power and efficient usage

➤ Includes 1-year warranty and certified for quality and safety 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 Invacare FWD Jr. Wheelchair Battery - SP12-35 NB (12 V 35 AH)

Upgrade your Invacare FWD Jr. with this factory-fresh replacement battery designed for dependable compatibility, consistent performance, and everyday reliability. This replacement battery is engineered to meet the demands of mobility users who require a high level of power and endurance. If you own an Invacare FWD Jr., the SP12-35 NB (12 V 35 AH) is a direct fit and delivers the steady output needed for safe, comfortable operation. As a high-performance battery and long-lasting battery solution, it is intended to restore and extend the life of your power chair while offering the peace of mind of a brand-new unit.

Key Specifications

  • Model Compatibility: Invacare FWD Jr.
  • Required Battery: SP12-35 NB (12 V 35 AH)
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt (NB)
  • Battery Technology: Absorbent Glass Mat (AGM)
  • Usage: 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
  • Performance: Performance Guaranteed
  • Brand: SigmasTek

Benefits

  • Durability: Built with AGM technology and valve-regulated, spill-proof construction to resist vibration and deliver reliable operation in mobility applications.
  • Long Life: Designed for deep cycle usage, this long-lasting battery gives consistent charge/discharge performance so your Invacare FWD Jr. can run longer between charges.
  • High Performance: A high-performance battery with an optimized power-to-volume ratio provides superior energy density for sustained torque and smooth acceleration in power chairs and scooters.
  • Safety & Certification: U.L. recognition and CE certification mean this replacement battery meets strict safety and quality standards for consumer use.
  • Wide Application: Ideal for electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Additionally suitable where stable sealed lead acid performance is needed—such as backup UPS systems, emergency power setups, and portable power tools that accept this form factor.
  • Easy Replacement: Direct compatibility with the Invacare FWD Jr. and the SP12-35 NB specification means you can reuse your existing cables and hardware for a straightforward swap.
  • Value & Support: Brand-new condition with a 1 year warranty and guaranteed performance provides confidence in your purchase.

Ready to restore full power to your Invacare FWD Jr.? Purchase this replacement battery today and enjoy a reliable, high-performance battery that’s built to last. Order now to get fast shipping and the best value on a long-lasting battery that fits your mobility needs.


Payment & Security

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