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SigmasTek  |  SKU: BW-10664

Merits Pioneer 1 S235 High-Performance Wheelchair Replacement Battery

Sale price $60.16 USD Regular price $78.77
Shipping calculated at checkout.

➤ Compact size: 5.95" length x 3.86" width x 3.7" height

➤ Reliable 12 Volt power for consistent wheelchair performance

➤ 12 Ah capacity ensures longer usage between charges

➤ Lightweight design at 14.5 lbs for easy handling and installation

➤ F2 terminal type compatible with Merits Pioneer brand replacements


📦🚀 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 | 12 Ah

Terminal Type

F2

SigmasTek 12 Volts 12 Ah F2 — Compatible Model: Wheelchair / Merits Pioneer Replacement

This SigmasTek replacement battery is specified for 12 Volts and 12 Ah capacity with an F2 terminal, and it is also listed as a Brand Replacement for Merits Pioneer wheelchair applications. With precise dimensions and robust weight handling, this pack is tailored for mobility devices and other equipment where exact fit and dependable power are essential. It offers reliable performance, consistent capacity, and compatibility for devices that require a wheelchair-type battery with the listed physical and electrical characteristics.

Key Specifications

  • Manufacturer: SigmasTek
  • Brand Replacement: Merits Pioneer
  • Type: Wheelchair
  • Voltage: 12 Volts
  • Amp Hours: 12 Ah
  • Terminal Type: F2
  • Length: 5.95 in.
  • Width: 3.86 in.
  • Height: 3.7 in.
  • Weight: 14.50 lb.

Benefits

As a long-lasting battery option intended for mobility and wheelchair applications, this SigmasTek pack emphasizes durability, secure mounting, and predictable electrical performance. The physical dimensions and weight are provided to ensure accurate fitment in devices designed for Merits Pioneer replacements. Reliability is critical in mobility scenarios, and this high-performance battery is built to hold charge effectively, sustain repeated cycling, and deliver steady voltage under load.

Typical applications include power wheelchairs, mobility scooters, and other personal mobility devices that require a compact but powerful 12V source. Additionally, this battery can serve in UPS units, small emergency backup systems, and portable power requirements where the specified size and F2 terminal are compatible. The sealed construction simplifies maintenance and helps protect both the user and the device from spills, while the robust weight rating and form factor ensure secure installation and stability during use.

Choosing a correct-fit replacement battery reduces downtime and improves confidence that the device will perform when needed. The combination of accurate dimensions, a recognized replacement brand association, and the SigmasTek name provides a reliable option for users seeking to restore or upgrade power in mobility equipment.

Ensure your wheelchair or mobility device returns to full functionality — purchase the SigmasTek 12 Volts 12 Ah F2 replacement battery today for reliable, long-lasting performance.


Payment & Security

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