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SigmasTek  |  SKU: BW-8906

Merits Pioneer 4 S347 Wheelchair High-Performance Replacement Battery

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

➤ Factory fresh Merits Pioneer 4 S347 replacement batteries for reliable performance

➤ 100% compatible with Merits Pioneer 4 S347 wheelchair units

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

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

➤ Backed by a 1-year warranty and certified for safety and 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 Merits Pioneer 4 S347 - Compatible with Merits Pioneer 4 S347

Keep your Merits Pioneer 4 S347 performing at its best with these brand new replacement batteries. Built to provide consistent power and dependable reliability, this replacement battery uses advanced AGM technology and deep cycle construction to handle the demands of daily mobility. The valve-regulated, spill-proof design ensures safe, maintenance-free operation and certified performance.

Key Specifications

  • Compatible Model: Merits Pioneer 4 S347
  • Required Quantity: 2 batteries required (SP12-75 NB)
  • Voltage: 12 Volts
  • Capacity: 75 AH
  • Battery Type: Absorbent Glass Mat (AGM) Technology
  • Usage: Designed for Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy: 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
  • Terminal Type: Nut & Bolt
  • Performance: Performance Guaranteed

Benefits

This replacement battery is engineered for durability and steady, long-term performance. The AGM technology and valve-regulated design deliver leak-resistant, maintenance-free operation while supporting deep cycle demands for extended runtime. As a high-performance battery, it offers reliable voltage under load and consistent energy density to help your mobility device perform reliably.

Key benefit highlights:

  • Durability: Constructed to resist vibration and endure daily use.
  • Long Life: Deep cycle optimization extends usable service life.
  • High Performance: Stable, efficient power output for longer operating time.
  • Certified Safety: U.L. recognized and CE certified for safe use.
  • Wide Applications: Ideal for electric wheelchairs, power chairs, mobility scooters, and useful as backup power for UPS, emergency systems, or portable tools that require reliable 12V 75AH capacity.

Order your replacement Merits Pioneer 4 S347 battery now and enjoy a dependable, long-lasting battery that restores performance and reliability. For assistance or questions, call (800) 657-1303 or contact our customer service team.


Payment & Security

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