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SigmasTek  |  SKU: BW-8644

Drive Medical Sunfire Plus Compatible Replacement Battery Set

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

➤ Includes 2 high-performance 12V 35AH batteries with NB terminal

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

➤ Compatible with Drive Medical Sunfire Plus wheelchair original specifications

➤ Wide operating temperature range for reliable power in various conditions

➤ 1-year warranty ensures long-lasting quality and customer satisfaction


📦🚀 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 Battery for Drive Medical Sunfire Plus Wheelchair (12V 35AH)

Keep your Drive Medical Sunfire Plus wheelchair powered and ready with this direct replacement battery pack. This package includes 2 sealed 12V 35AH batteries with NB (Nut & Bolt) terminals, designed to match the original specifications for the Sunfire Plus model. These batteries offer a high-discharge design, broad operating temperature tolerance, and maintenance-free construction — the ideal high-performance battery solution for dependable daily use.

Key Specifications

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

Benefits

  • Robust construction: AGM and SLA construction provide a sealed, spill-proof design that is resistant to wear and safe for indoor use.
  • Extended service life: Engineered as a long-lasting battery solution to minimize replacements and maintain consistent performance across charging cycles.
  • Reliable power delivery: The high-performance battery design supports the high-discharge requirements of powered wheelchairs for dependable acceleration and range.
  • Hassle-free maintenance: Sealed and maintenance-free features mean fewer service interventions and safer handling for caregivers and users.
  • Exact fit: Designed to meet or exceed Drive Medical Sunfire Plus original specs so you can reinstall using the original cable layout and configuration.
  • Flexible applications: Ideal for mobility devices and suitable for UPS backup, emergency power reserves, and various power tool applications where a dependable 12V 35AH source is required.

Ready to upgrade to a dependable, high-performance replacement battery for your Drive Medical Sunfire Plus? Add this 2-battery pack to your cart now for fast shipping and a 1-year warranty.


Payment & Security

Payment methods

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