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SigmasTek  |  SKU: BW-8623

Quickie BEC 40 Series Wheelchair U1 AGM High Performance Replacement Battery Set

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

➤ Includes 2 maintenance-free 12V 35AH AGM batteries for Quickie BEC 40 Series wheelchair

➤ High discharge design ensures reliable power and long service life

➤ Spill-proof SLA chemistry provides safe and durable performance

➤ Guaranteed compatibility with original batteries for easy replacement

➤ Backed by a 1-year warranty for quality assurance and peace of mind


📦🚀 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

Quickie BEC 40 Series Wheelchair U1 AGM Replacement Batteries (2-Pack)

Ensure peak performance for your Quickie BEC 40 Series Wheelchair U1 AGM with this compatible replacement battery 2-pack. Built for reliability, safety, and long service life, these batteries represent a high-performance battery option designed to meet or exceed the original equipment specifications. Whether you rely on your chair daily or need dependable backup power, these long-lasting battery units offer consistent discharge characteristics and spill-proof, maintenance-free operation.

Key Specifications

  • Volts: 12
  • Amps: 35 (35 AH)
  • Terminal: NB (Nut & Bolt)
  • Weight: 49.4Lbs (as listed)
  • Length: 7.72 (inches)
  • Width: 5.14 (inches)
  • Height: 6.14 (inches)
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorbent Glass Mat)
  • Maintenance-free and Spill Proof
  • Package contains: 2 batteries
  • Warranty: 1-year Warranty
  • Brand: SigmasTek (as listed)
  • Shipping Methods: UPS Ground and USPS; we ship in 1 business day for all in-stock items
  • Guaranteed compatibility with original batteries

Benefits

  • Robust AGM construction delivers superior reliability and safer handling compared with flooded batteries—ideal for mobility devices like the Quickie BEC 40 Series.
  • Maintenance-free performance means less upkeep and a longer operational lifespan, giving you a dependable long-lasting battery for daily travel.
  • High discharge design supports strong motor performance and consistent power output, making this a preferred high-performance battery for demanding use.
  • Wide operating temperature tolerance ensures dependable operation in various environments, from indoors to outdoor excursions.
  • Well-suited for other critical applications including UPS systems, emergency power backup, and portable tools that require sealed 12V 35AH batteries.
  • Simple replacement process: install in the same original configuration and reuse your existing cables. Confirm dimensions before purchasing to ensure fit.

Ready for reliable power? Purchase this Quickie BEC 40 Series Wheelchair U1 AGM replacement battery 2-pack now to restore performance, benefit from fast shipping, and secure coverage under the included 1-year warranty. Click to buy and get moving again.


Payment & Security

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