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SigmasTek  |  SKU: BW-8868

Quantum Rehab Q1650 High Performance Wheelchair Replacement Battery

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

➤ Factory fresh replacement batteries for Quantum Rehab Q1650 wheelchair

➤ 100% compatible with Quantum Rehab Q1650 units using SP12-75 NB (12V 75AH)

➤ AGM technology with valve regulated, spill-proof, deep cycle design

➤ High energy density ensuring longer power and performance

➤ U.L. recognized, CE certified, and backed by a 1-year warranty


📦🚀 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 | 75 AH

Terminal Type

Nut & Bolt

Replacement Quantum Rehab Q1650 Battery — Compatible with Quantum Rehab Q1650

Restore dependable power to your Quantum Rehab Q1650 with this factory-fresh replacement battery. Built to meet the rigorous demands of daily mobility, this high-quality battery is a high-performance battery solution that ensures consistent output and reliable operation. If you rely on your Quantum Rehab Q1650 for independence and mobility, this replacement battery delivers the long-lasting battery life and proven compatibility you need to keep going further, day after day.

Key Specifications

  • Compatible Model: Quantum Rehab Q1650
  • 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

  • Robust Construction — AGM technology and valve-regulated construction provide a spill-proof, low-maintenance design that increases durability and safety for daily mobility applications.
  • Reliable Longevity — Optimized for deep cycle operation, this replacement battery offers dependable recharge cycles and a long-lasting battery life for consistent performance over time.
  • High Performance — With a strong power-to-volume ratio, the SP12-75 NB supplies the torque and runtime required for demanding maneuvers and prolonged outings—ideal as a high-performance battery for your wheelchair.
  • Certified & Guaranteed — U.L. and CE certifications, plus an included 1 year warranty and performance guarantee, ensure you’re investing in a quality product backed by support.
  • Multi-Purpose Use — Primarily intended for electric wheelchairs, power chairs, mobility chairs, and mobility scooters, this battery also suits other DC backup and portable power needs, such as UPS backup, emergency power systems, and compatible power tools.
  • Straightforward Replacement — Use existing cables and hardware from your original setup for a quick swap; nut & bolt terminals deliver secure connections for trouble-free installation.
  • Trusted Brand — SigmasTek factory-fresh units provide consistent manufacturing quality and dependable customer service for assistance and questions.

Ready to upgrade your Quantum Rehab Q1650? Purchase this SP12-75 NB 12 V 75 AH replacement battery now to ensure continued mobility with a high-performance, long-lasting battery. Order today for fast shipping and the confidence of a 1 year warranty.


Payment & Security

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