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SigmasTek  |  SKU: BW-9847

Electric Mobility Cycle Chair Wheelchair Compatible Replacement Battery

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

➤ Factory fresh, high-quality replacement batteries for Electric Mobility Cycle Chairs

➤ 100% compatible with original Electric Mobility Cycle Chair units

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

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

➤ Includes 1-year warranty for guaranteed reliable performance


📦🚀 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 Electric Mobility Cycle Chair Batteries — Compatible with Electric Mobility Cycle Chair (SP12-35 NB)

Upgrade your Electric Mobility Cycle Chair with a reliable, factory-fresh replacement battery designed for peak compatibility and consistent performance. These replacement battery units are 100% compatible with the Electric Mobility Cycle Chair and built to deliver dependable power for daily mobility needs. Engineered for deep cycle usage with AGM technology, this replacement battery provides the performance and reliability you expect from a high-performance battery and a long-lasting battery option for mobility devices. Note: the Electric Mobility Cycle Chair requires 2 batteries - SP12-35 NB (12 V 35 AH). You must use all existing cables and hardware from your original configuration to connect the new wheelchair batteries.

Key Specifications

  • Absorbent Glass Mat (AGM) Technology
  • Designed For Deep Cycle Usage
  • Valve Regulated Spill Proof Construction
  • Power/Volume Ratio Yielding Unrivaled Energy Density
  • U.L. Recognized and CE Certified
  • Performance Guaranteed
  • Brand New, Factory Fresh
  • 1 Year Warranty
  • Model: SP12-35 NB (12 V 35 AH)
  • Requires: 2 batteries for Electric Mobility Cycle Chair
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt

Benefits

  • Durability: Built with AGM and valve-regulated construction, this replacement battery resists vibration and minimizes maintenance for extended service life.
  • Long Life: Designed for deep cycle usage and high energy density, this long-lasting battery delivers steady runtime across repetitive charge/discharge cycles common in mobility applications.
  • High Performance: A high-performance battery choice that provides reliable starting and sustained power output for electric wheelchairs, power chairs, mobility chairs, and mobility scooters.
  • Versatile Applications: While optimized for the Electric Mobility Cycle Chair, this battery is well suited for other mobility devices and typical applications where durable sealed lead acid batteries are required — including UPS backup, emergency power systems, and portable power tools when compatible.
  • Peace of Mind: UL recognition, CE certification, and a 1 year warranty mean you get verified safety and backed performance from a brand new, factory fresh replacement battery.
  • Easy Replacement: Maintain your original wiring and hardware—simply replace the old SP12-35 NB battery with this compatible SigmasTek unit for a straightforward swap.

Ready to restore full power to your Electric Mobility Cycle Chair? Purchase this SP12-35 NB replacement battery today and enjoy a high-performance battery that’s reliable, maintenance-free, and built to last. Orders for in-stock items typically ship within 24 hours — buy now and get superior long life battery value with confidence.


Payment & Security

Payment methods

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