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SigmasTek  |  SKU: BW-8850

Tuffcare Challenger Extra Wide Wheelchair Compatible Replacement Battery

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

➤ Factory fresh, high-quality replacement batteries for Tuffcare Challenger Extra Wide

➤ 100% compatible with Tuffcare Challenger Extra Wide wheelchair models

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

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

➤ Includes 1-year warranty and CE/U.L. certification for guaranteed 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 | 75 AH

Terminal Type

Nut & Bolt

Replacement Tuffcare Challenger Extra Wide Battery - SP12-75 NB (12 V 75 AH)

Bring renewed power and reliability to your Tuffcare Challenger Extra Wide with this factory-new replacement battery. The SP12-75 NB (12 V 75 AH) replacement battery is engineered to deliver consistent performance and long-term dependability, restoring mobility and confidence to your device.

Key Specifications

  • Model: SP12-75 NB (12 V 75 AH)
  • Voltage: 12 Volts
  • Capacity: 75 AH (Amp-hours)
  • Quantity required: 2 batteries for the Tuffcare Challenger Extra Wide unit
  • Battery Technology: Absorbent Glass Mat (AGM) Technology
  • Usage Type: Designed for Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Performance: Performance Guaranteed
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • Note: Use existing cables and hardware from original configuration to connect new batteries

Benefits

This replacement battery offers robust durability and reliable performance. The AGM design and valve-regulated construction make it a low-maintenance, spill-proof option ideal for frequent cycling and everyday use. As a long-lasting battery choice, it helps extend the operational life of your mobility device and reduces the need for frequent replacements.

High-performance characteristics mean steady voltage delivery and efficient energy use, translating into longer run times and better responsiveness from your power chair. The strong power-to-volume ratio provides exceptional energy density so you get the most runtime from a compact battery package.

Designed primarily for electric wheelchairs, power chairs, mobility chairs, and mobility scooters, the SP12-75 NB also fits a range of other uses including UPS backup, emergency power, and certain portable tools that require a dependable 12V deep-cycle source. The nut & bolt terminal style ensures secure, reliable connections when reusing existing cables and hardware.

Don’t compromise on performance—order the SP12-75 NB replacement battery for your Tuffcare Challenger Extra Wide today to enjoy a reliable, high-performance, long-lasting battery solution backed by a 1 year warranty and prompt shipping.


Payment & Security

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