Invacare PTE (14 Inch Or Less) Wheelchair Compatible Replacement Battery
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🔹 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 PTE (14 Inch or less) Wheelchair Batteries (Compatible with Invacare PTE (14 Inch or less))
Get renewed mobility and dependable power with these replacement batteries for the Invacare PTE (14 Inch or less) wheelchair. These factory-fresh, high-quality batteries are 100% compatible with your Invacare PTE (14 Inch or less) unit and are specified to meet the original requirement: two SP12-35 NB batteries (12 V 35 AH). Whether you need a dependable deep-cycle solution for daily travel or extended outings, this pair is built to deliver consistent, long-term performance.
Key Specifications
- Compatibility: Invacare PTE (14 Inch or less)
- Required Configuration: 2 batteries - SP12-35 NB (12 V 35 AH)
- Battery Type: Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Usage Design: Designed For Deep Cycle Usage
- Construction: Valve Regulated, Spill Proof Construction
- Performance: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Performance Guarantee: Performance Guaranteed
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 35 AH
- Terminal: Nut & Bolt
Benefits
These replacement batteries offer exceptional durability and cycle life for mobility applications, representing a long-lasting battery investment for power chairs and scooters. The AGM, valve-regulated design ensures a maintenance-free experience combined with spill-proof safety—ideal for everyday use and transport. Built for deep cycle performance, these batteries provide steady discharge over extended periods, which is crucial for mobility chairs that require reliable torque and range.
As a high-performance battery solution, the SP12-35 NB units deliver a favorable power-to-volume ratio and energy density, maximizing run-time without excessive bulk. U.L. recognition and CE certification reflect compliance with safety standards expected in mobility devices and medical-adjacent applications. Performance guaranteed and factory-fresh condition mean you receive consistent output and long service life from first use.
Typical applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Note that you should reuse existing cables and hardware from your original configuration to connect the replacement batteries, ensuring proper fit and operation.
Ready to restore full mobility? Buy these replacement Invacare PTE (14 Inch or less) batteries now to get a high-performance battery pair that’s designed for long life and reliable, deep-cycle operation. Order today and enjoy fast shipping and a 1 year warranty.
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