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SigmasTek  |  SKU: BW-8657

Invacare Cat (14 Inch Or Less) High Performance Replacement Battery Set

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

➤ Includes 2 high-performance 12V 35AH batteries with NB terminals

➤ Maintenance-free and spill-proof AGM technology for safety and durability

➤ Designed to meet or exceed original manufacturer specifications

➤ Wide operating temperature range for reliable wheelchair power

➤ Easy installation using existing cables in original battery configuration


📦🚀 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

Invacare Cat (14 Inch or less) Replacement Batteries - Fits Invacare Cat (14 Inch or less)

Designed specifically for the Invacare Cat (14 Inch or less), this premium set of replacement battery packs delivers dependable performance and proven reliability for your power wheelchair. Each order includes two 12V 35AH batteries with NB (Nut & Bolt) terminals to match the original configuration, giving you a seamless swap-in experience. Whether you need a reliable power source for daily mobility or a dependable backup for longer outings, these batteries are a high-performance battery option that balances long life and steady output.

Key Specifications

  • Package contains: 2 batteries
  • Volts: 12 V
  • Amps: 35 AH
  • Terminal: NB (Nut & Bolt)
  • Weight: 49.4 Lbs (pair weight listed in source)
  • Length: 7.72 inches
  • Width: 5.14 inches
  • Height: 6.14 inches
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorbent Glass Mat)
  • Maintenance-free / Spill Proof
  • Guaranteed compatibility with original batteries
  • Brand: SigmasTek
  • Warranty: 1-year Warranty
  • Shipping Methods: UPS Ground and USPS
  • Ships in 1 business day for all in-stock items

Benefits

These Invacare Cat replacement battery packs are engineered for durability and consistent high performance. The AGM and SLA chemistry provide a maintenance-free, spill-proof design that stands up to frequent charge cycles and varied temperatures, offering the long-lasting battery life mobility users depend on. The high-discharge construction supports the sudden power demands of motors and controllers, ensuring smooth acceleration and reliable hill-climbing performance.

Typical applications include powering mobility scooters and wheelchairs, UPS systems for medical equipment, emergency power needs, and portable tools that require steady DC output. Because these batteries meet or exceed original manufacturer specifications, they are an ideal high-performance battery replacement to restore range and responsiveness to your Invacare Cat (14 Inch or less).

Installation is straightforward when replacing in the same original configuration — you should reuse your existing cables and verify dimensions before ordering, as manufacturers may change requirements. Backed by a 1-year warranty and fast shipping, this pair is a cost-effective way to get your mobility device back to reliable operation.

Ready to restore confident, dependable power to your Invacare Cat (14 Inch or less)? Order this long-lasting replacement battery pair now and enjoy fast shipping and a 1-year warranty.


Payment & Security

Payment methods

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  • Discover
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  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

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