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SigmasTek  |  SKU: BW-10598

Merits Mini-Coupe S549 Compatible Wheelchair Replacement Battery

Sale price $104.22 USD Regular price $136.46
Shipping calculated at checkout.

➤ Factory fresh Merits Mini-Coupe S549 replacement batteries for optimal performance

➤ 100% compatible with Merits Mini-Coupe S549 wheelchair models

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

➤ High energy density with valve regulated, U.L. recognized, and CE certified design

➤ Includes 1 year warranty and guaranteed long-lasting power


📦🚀 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 | 15 Ah

Terminal Type

F2

Merits Mini-Coupe S549 - SP12-15 Replacement Wheelchair Batteries

Replace worn batteries with confidence using these replacement Merits Mini-Coupe S549 wheelchair batteries. Factory fresh and 100% compatible with the Merits Mini-Coupe S549, these batteries are engineered for deep cycle use, delivering reliable capacity and consistent power to keep your mobility device running longer between charges. This is a high-performance battery solution designed specifically for electric wheelchairs and mobility chairs where endurance and safety matter.

Key Specifications

  • Compatible model: Merits Mini-Coupe S549
  • Includes: Requires 2 batteries - SP12-15
  • Voltage: 12 Volts
  • Capacity: 15 Ah
  • Battery Type: Absorbent Glass Mat (AGM) Technology
  • Usage: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Performance: Performance Guaranteed
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand / Seller: SigmasTek
  • Terminal Type: F2

Benefits

These SP12-15 replacement batteries provide robust durability and long service life through AGM construction and deep-cycle design, ideal for repeated discharge and recharge cycles typical of mobility devices. As a high-performance battery option, they deliver stable voltage under load and excellent energy density, enabling more runtime per charge in compact form factors. The valve-regulated, spill-proof construction and sealed design minimize maintenance needs and improve safety in everyday use.

Typical applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters. The compact 12V 15Ah form factor is especially well-suited for small to mid-size mobility platforms that require reliable starting and sustained current for motors and control electronics. Because these are replacement batteries, you should reuse the original cables and hardware to ensure proper connections and compatibility.

Backed by U.L. recognition and CE certification, these batteries meet recognized safety standards for mobility equipment. The factory-fresh condition and one-year warranty provide extra assurance, making this replacement battery set a practical and cost-effective alternative to OEM replacements.

Upgrade your Merits Mini-Coupe S549 with these long-lasting, high-performance battery replacements today — purchase now to restore reliable mobility and enjoy extended runtimes with a trusted replacement battery solution.


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