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SigmasTek  |  SKU: BW-8745

Orthofab/Lifestyles 755FS Wheelchair U1 High-Performance Replacement Battery Set

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

➤ Includes 2 high-performance 12V 35AH batteries for your wheelchair

➤ Maintenance-free and spill-proof AGM technology for safety and durability

➤ Guaranteed compatibility with original Orthofab/Lifestyles 755FS U1 batteries

➤ Wide operating temperature range ensures reliable power in all conditions

➤ 1-year warranty for peace of mind and product confidence


📦🚀 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

Orthofab/Lifestyles 755FS Wheelchair U1 Replacement Batteries — Compatible with Orthofab/Lifestyles 755FS Wheelchair U1 (2 x 12V 35AH NB)

When your Orthofab/Lifestyles 755FS wheelchair needs reliable power, this two-battery replacement pack delivers the performance and dependability you expect. These replacement batteries are engineered to meet or exceed original equipment standards for the 755FS U1 model, providing stable, consistent power in a maintenance-free, spill-proof design. If you require a high-performance battery that offers dependable discharge characteristics and a long service life, these 12V 35AH NB batteries are an excellent long-lasting battery choice for mobility and backup applications.

Key Specifications

  • Package contains: 2 batteries
  • Volts: 12 V
  • Amps (Capacity): 35 AH
  • Weight: 49.4 Lbs
  • Length: 7.72 (inches)
  • Width: 5.14 (inches)
  • Height: 6.14 (inches)
  • Terminal: NB (Nut & Bolt)
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorbent Glass Mat)
  • Maintenance: Maintenance-free, Spill Proof
  • Design: High discharge design, Wide operating temperature range
  • Compatibility: Guaranteed compatibility with original batteries
  • Brand: SigmasTek
  • Warranty: 1-year Warranty
  • Shipping Methods: UPS Ground and USPS
  • Shipping Speed: We ship in 1 business day for all in-stock items

Benefits

  • Durability: Robust AGM and sealed SLA construction ensures a spill-proof, maintenance-free experience that stands up to everyday wheelchair use.
  • Long life: Designed for extended service life and reliable performance under repeated discharge cycles—this long-lasting battery is a smart choice for mobility users.
  • High performance: The high-discharge design supplies steady power for motors and electronics, qualifying it as a true high-performance battery for demanding applications.
  • Versatility: Ideal for the Orthofab/Lifestyles 755FS U1 wheelchair, and suitable for UPS backup, emergency power situations, medical equipment, and compatible battery-powered tools.
  • Simple installation: Install in the original configuration and reuse your existing cables; NB terminals (nut & bolt) ensure a secure and familiar connection method.
  • Fast shipping & warranty: Ships quickly so you can reduce downtime, with a 1-year warranty included for added confidence.

Ready to restore performance to your Orthofab/Lifestyles 755FS wheelchair? Order this reliable, long-lasting replacement battery pack now — a high-performance battery solution backed by fast shipping and a 1-year warranty. Click to buy and get back to dependable mobility.


Payment & Security

Payment methods

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  • Discover
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  • PayPal
  • Shop Pay
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