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SigmasTek  |  SKU: BW-8939

Electric Mobility Rover Wheelchair High Performance Replacement Battery

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

➤ Factory fresh, high-quality replacement batteries for Electric Mobility Rover wheelchairs

➤ 100% compatible with Electric Mobility Rover units, requires 2 batteries (12V 75AH each)

➤ Absorbent Glass Mat (AGM) technology for deep cycle usage and spill-proof safety

➤ UL recognized and CE certified with guaranteed performance and 1-year warranty

➤ Ideal for electric wheelchairs, power chairs, mobility chairs, and mobility scooters


📦🚀 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 Battery for Electric Mobility Rover - SP12-75 NB (12 V 75 AH)

Restore reliable performance to your Electric Mobility Rover with a premium replacement battery engineered for mobility and endurance. These brand new Electric Mobility Rover batteries are fully compatible with the Rover unit, offering strong, consistent power delivery and the durability you need for everyday use. If you want a dependable, high-performance battery that maintains charge and supports sustained operation, the SP12-75 NB (12 V 75 AH) is an excellent choice.

Key Specifications

  • Model: SP12-75 NB
  • Voltage: 12 Volts
  • Capacity: 75 AH
  • Terminal: Nut & Bolt
  • Requires: 2 batteries for the Electric Mobility Rover unit
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Designed for: Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy Characteristic: 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
  • Performance: Performance Guaranteed

Benefits

These replacement batteries combine AGM technology with valve-regulated, spill-proof design to deliver a long-lasting battery that’s maintenance-free and safe for mobility use. Specifically engineered for deep cycle performance, the SP12-75 NB is optimized for repeated discharge cycles, making it an ideal choice for daily travel and extended outings in your Rover mobility chair.

Expect high-performance results: improved energy density means more usable power in a compact package, while U.L. and CE certifications underscore the safety and quality controls built into every battery. The robust construction increases vibration resistance and reduces the risk of premature failure, resulting in greater reliability and lower lifetime costs.

Typical uses include electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Additionally, this replacement battery is suitable for auxiliary roles such as UPS backup, emergency power reserve, and portable power tools that require a dependable 12V deep-cycle supply. The nut-and-bolt terminals let you reuse your original wiring and hardware for a secure installation.

Upgrade your Electric Mobility Rover today with a certified, factory-fresh replacement battery and experience longer run times and dependable starts. Purchase now to secure superior long life battery performance and fast shipping.


Payment & Security

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