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SigmasTek  |  SKU: BW-9817

Everest & Jennings Quest High Performance Wheelchair Replacement Battery

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

➤ Factory fresh replacement batteries for Everest & Jennings Quest wheelchairs

➤ 100% compatible with Everest & Jennings Quest units using SP12-35 NB (12 V 35 AH)

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

➤ Valve regulated, spill-proof design ensures safety and reliability

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


📦🚀 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

Replacement Everest & Jennings Quest Wheelchair Battery - SP12-35 NB (12V 35AH)

Keep your Everest & Jennings Quest mobility system running with this factory-fresh replacement battery engineered for reliability, consistent performance, and deep-cycle endurance. This replacement battery is 100% compatible with the Everest & Jennings Quest and is designed to deliver the steady power your power chair or mobility scooter needs. If you rely on your Quest unit for daily mobility, choosing a high-performance battery like the SP12-35 NB (12V 35AH) ensures dependable operation, long-lasting battery life, and peace of mind when you're on the move.

Key Specifications

  • Model: SP12-35 NB
  • Voltage: 12 V
  • Capacity: 35 AH
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Usage: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • Configuration: Requires 2 batteries for Everest & Jennings Quest
  • Shipping Note: Orders for in-stock items are typically shipped within 24 hours

Benefits

  • Durability: Built with AGM technology and valve-regulated construction, this replacement battery resists vibration and leakage while providing reliable service in demanding mobility environments.
  • Long Life: Designed for deep-cycle usage to deliver a long-lasting battery solution for daily trips and continuous operation—ideal when a long-lasting battery is essential for independence.
  • High Performance: The superior power/volume ratio yields exceptional energy density, giving your Everest & Jennings Quest consistent torque and run time for longer excursions.
  • Maintenance-Free: Factory-sealed AGM chemistry minimizes maintenance and simplifies installation—retain all original cables and hardware for a direct swap.
  • Safety & Compliance: U.L. recognized and CE certified for trusted safety and quality standards in mobility applications.
  • Typical Applications: Specifically designed for Electric Wheelchairs, Power Chairs, Mobility Chairs, Mobility Scooters. Also suitable for related standby and emergency uses where a reliable 12V deep-cycle supply is required (UPS backups, emergency lighting, and portable power tools when compatible).
  • Assured Quality: Brand new and performance guaranteed with a one-year warranty, providing confidence in your purchase of a replacement battery for critical mobility equipment.

Replace your old or failing Quest battery with this high-performance battery today. Order the SP12-35 NB (12V 35AH) replacement battery now to restore dependable power to your Everest & Jennings Quest—buy with confidence for a reliable, long-lasting battery solution.


Payment & Security

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