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SigmasTek  |  SKU: BW-8869

Quantum Rehab Q1420 High Performance Wheelchair Replacement Battery

Sale price $425.70 USD Regular price $557.39
Shipping calculated at checkout.

➤ Factory fresh, brand new Quantum Rehab Q1420 replacement batteries

➤ 100% compatible with Quantum Rehab Q1420 wheelchair units

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

➤ Valve regulated, spill-proof design for safe and reliable use

➤ Backed by a 1-year warranty and guaranteed performance


📦🚀 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 | 75 AH

Terminal Type

Nut & Bolt

Replacement Quantum Rehab Q1420 Battery — Compatible with Quantum Rehab Q1420

Keep your Quantum Rehab Q1420 operating at peak performance with this brand new replacement battery. Carefully manufactured to be fully compatible with the Quantum Rehab Q1420, this unit provides dependable power, safe construction, and the performance needed for daily mobility. Whether you’re replacing old batteries or preparing a spare, this high-performance battery is designed to be a long-lasting battery choice for sustained independence and reliable operation.

Key Specifications

  • Compatible Model: Quantum Rehab Q1420
  • Replacement Battery Model: SP12-75 NB
  • Voltage: 12 V
  • Capacity: 75 AH
  • Quantity Required: 2 batteries
  • Technology: Absorbent Glass Mat (AGM)
  • Construction: Valve Regulated, Spill Proof
  • Designed For: Deep Cycle Usage
  • Energy Characteristics: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • Performance: Performance Guaranteed

Benefits

  • Dependable Build — AGM cells and valve-regulated, spill-proof design make this replacement battery resilient to everyday stresses, minimizing maintenance and maximizing safety for mobility users.
  • Extended Service Life — Engineered for deep cycle applications, the SP12-75 NB supports frequent discharge and recharge cycles so you can rely on a long-lasting battery under real-world conditions.
  • Strong Output — The high power/volume ratio gives your Q1420 the energy density necessary for steady acceleration and longer range between charges, qualifying it as a high-performance battery choice.
  • Certified Quality — With U.L. recognition, CE certification, and a 1 year warranty, this battery meets recognized standards for safety and quality while offering reassurances through warranty coverage.
  • Versatile Applications — Primarily ideal for electric wheelchairs, power chairs, mobility chairs, and mobility scooters, it’s also applicable in compatible UPS systems, emergency power scenarios, and portable tools requiring similar battery specs.
  • Easy Swap-In Replacement — Use your existing hardware and cables for installation; nut & bolt terminals ensure solid electrical connections for immediate use.
  • Manufacturer Assurance — SigmasTek factory-fresh products and performance guarantees ensure you receive consistent quality and reliable post-purchase support.

Ready to replace the batteries in your Quantum Rehab Q1420? Buy this SP12-75 NB 12 V 75 AH replacement battery now for dependable, long-lasting power and quick shipment on in-stock orders. Order today and regain confidence in your mobility with a high-performance battery solution.


Payment & Security

Payment methods

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