Invacare Cat (14 Inch Or Less) High Performance Wheelchair Replacement Battery
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⚠️ 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 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
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
⚠️ 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 Cat (14 Inch or less) Wheelchair Batteries — Compatible with Invacare Cat (SP12-35 NB)
Restore mobility and confidence with these brand-new replacement Invacare Cat (14 Inch or less) batteries engineered for direct compatibility and reliable operation. These replacement batteries provide the durability, energy density, and deep-cycle performance your Invacare Cat requires. If your Cat (14 Inch or less) model calls for SP12-35 NB (12 V 35 AH), this high-performance battery set will return consistent runtime and long-lasting battery life to your wheelchair.
Key Specifications
- Quantity: 2 batteries (required configuration for Invacare Cat)
- Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH
- Technology: Absorbent Glass Mat (AGM) Technology
- Usage: 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
- Performance: Performance Guaranteed
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Terminal Type: Nut & Bolt
- Note: Retain and use all existing cables and hardware from your original battery configuration to connect the new batteries
Benefits
- Durability — The sealed AGM design and valve regulation create a rugged, spill-proof package that resists leaks and vibration, making these batteries well-suited for everyday mobility use.
- Long Life — Engineered for deep-cycle performance, the SP12-35 NB cells deliver extended service life and maintain capacity across numerous charge/discharge cycles for a true long-lasting battery solution.
- High Performance — High energy density results in more usable power per volume so your wheelchair enjoys consistent acceleration and run time. This high-performance battery keeps your device responsive and reliable.
- Safety & Standards — U.L. recognition and CE certification confirm compliance with recognized industry standards for safety and quality.
- Typical Applications — Ideal for electric wheelchairs, power chairs, mobility chairs, and mobility scooters that require SP12-35 NB 12V 35AH batteries. These replacement batteries are tailored to restore original power and performance for the Invacare Cat (14 Inch or less).
- Support & Assurance — Each set comes brand new from factory fresh stock, is performance guaranteed, and is backed by a one-year warranty. For purchase assistance, reach customer service at or e-mail us.
Purchase your replacement Invacare Cat (14 Inch or less) battery set today to bring back dependable power and extended runtime to your mobility device. Order now for a high-performance, long-lasting battery solution with fast shipping on in-stock items.
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