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SigmasTek  |  SKU: BW-9548

Merits P171 High Performance Replacement Battery

Sale price $183.99 USD Regular price $280.53
Shipping calculated at checkout.

➤ Factory fresh Merits P171 wheelchair batteries for reliable power

➤ 100% compatible with Merits P171 units for easy replacement

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

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

➤ Includes 1-year warranty and guaranteed high energy density


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Merits P171 Replacement Batteries — SigmasTek SP12-35 NB (12V 35Ah) for Merits P171

Restore the mobility and reliability of your Merits P171 power chair with these factory-fresh replacement batteries from SigmasTek. Designed specifically for the Merits P171, the SP12-35 NB (12 V 35 AH) batteries are a perfect plug-and-play replacement when you keep your original cables and hardware. These high-performance replacement batteries combine AGM technology and deep-cycle capability to deliver the dependable energy your mobility equipment needs every day.

Key Specifications

  • Brand: SigmasTek
  • Model / Compatible: Merits P171 (SP12-35 NB)
  • Voltage: 12 Volts
  • Capacity: 35 Amp Hours
  • Terminal: NB (Nut & Bolt)
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Durability and long life — AGM construction and valve regulation protect the cells and provide leak-free, maintenance-free operation for mobility devices.
  • High-performance battery for repeated deep-cycle use — optimized for frequent discharge and recharge cycles required by power chairs and scooters.
  • Superior energy density — a favorable power/volume ratio means more usable energy in a compact form, extending range for electric wheelchairs and power chairs.
  • Safe and certified — U.L. recognition and CE certification provide assurance for medical and mobility equipment applications.
  • Reliable in typical applications such as electric wheelchairs, power chairs, mobility chairs, and mobility scooters where a long-lasting battery supports daily independence.
  • Factory fresh units ensure consistent performance out of the box and quality backed by a 1 year warranty for peace of mind.
  • Using your existing cables and hardware keeps replacement straightforward and cost-effective — perfect for technicians and end users alike.

Order your replacement Merits P171 batteries today to enjoy reliable, long-lasting battery performance at a competitive price. These high-performance batteries are ready to ship quickly and will help restore full mobility and confidence to your Merits P171. Buy now and experience the difference with a trusted replacement battery.


Payment & Security

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