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SigmasTek  |  SKU: BW-8559

Merits Pioneer 3 S1313 High Performance Replacement Battery Set

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

➤ Includes 2 high-performance 12V 35AH batteries for your Merits Pioneer 3 S1313 wheelchair

➤ Maintenance-free, spill-proof design with SLA and AGM technology for safety and reliability

➤ Wide operating temperature range ensures consistent battery performance in various conditions

➤ Guaranteed compatibility with original batteries for easy installation using existing cables

➤ Backed by a 1-year warranty and fast shipping within 1 business day for in-stock items


📦🚀 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

Merits Pioneer 3 S1313 Replacement Batteries — Compatible with Merits Pioneer 3 S1313

Ensure dependable performance for your Merits Pioneer 3 S1313 wheelchair with this set of two replacement 12V 35AH batteries featuring NB terminals. These replacement batteries combine reliable engineering with AGM technology to provide a high-performance battery solution that is both maintenance-free and long-lasting.

Key Specifications

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

Benefits

The Merits Pioneer 3 S1313 replacement batteries are designed to deliver consistent power and dependable service life. With sealed AGM design and SLA chemistry, these units are maintenance-free and spill-proof, providing safe and worry-free operation in mobility devices. They are engineered as a high-performance battery alternative that meets or exceeds original equipment specifications.

Durability: Built to tolerate everyday use and the vibration commonly associated with mobility travel, these batteries are a long-lasting battery option that helps reduce the frequency of replacements.

High Performance: Featuring a high-discharge capability, these batteries provide the surge current required for motor starts and continuous operation, helping maintain better runtime and responsiveness.

Typical Applications: While optimized for the Merits Pioneer 3 S1313 wheelchair, this battery set is also suitable for similar 12V 35AH wheelchair systems, UPS backup, emergency power units, mobility scooters, and other portable equipment that requires a sealed, maintenance-free battery.

Installation Notes: Install the new batteries in the same original configuration and reuse your existing cables. Always confirm your current battery dimensions before ordering, as manufacturer specifications may change without notice. These replacement batteries are quality-tested to ensure compatibility and reliable performance.

Ready for dependable mobility? Order this set of Merits Pioneer 3 S1313 replacement batteries now for fast shipping and a 1-year warranty — the reliable, high-performance battery choice for your wheelchair.


Payment & Security

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