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SigmasTek  |  SKU: BW-10383

Amigo ETX 350 High-Performance Wheelchair Replacement Battery

Sale price $178.99 USD Regular price $236.60
Shipping calculated at checkout.

➤ Factory fresh replacement batteries for Amigo ETX 350 wheelchair

➤ 100% compatible with Amigo ETX 350 unit, ensuring perfect fit

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

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

➤ Includes 1 year warranty and guaranteed performance 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 | 26 Ah

Terminal Type

Nut & Bolt

SP12-26 NB (12V 26AH) Replacement Battery — Amigo ETX 350 Wheelchair (Requires 2)

Upgrade the power system of your Amigo ETX 350 wheelchair with these brand new replacement batteries: SP12-26 NB (12V 26AH). Specifically made to be 100% compatible with the Amigo ETX 350, these high-performance batteries deliver reliable, long-lasting battery life for mobility devices. Note: the Amigo ETX 350 requires 2 batteries; please reuse your original cables and hardware for installation.

Key Specifications

  • Model: SP12-26 NB (12 V 26 AH)
  • Voltage: 12 Volts
  • Capacity: 26 Ah
  • Terminal: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Usage: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Performance: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Performance: Performance Guaranteed
  • Brand: SigmasTek

Benefits

These replacement battery units are engineered for deep cycle usage, delivering extended runtime and dependable recharge cycles—key qualities for daily mobility applications. AGM technology provides a maintenance-free, spill-proof design that reduces upkeep and improves safety around sensitive electronics and frequent user handling. The valve-regulated construction enhances safety while the high power-to-volume ratio offers exceptional energy density, making these batteries compact yet powerful.

As high-performance batteries designed specifically for mobility, they provide the steady, reliable output required for electric wheelchairs, power chairs, mobility chairs, and mobility scooters. The durable construction ensures these are long-lasting batteries that stand up to regular charging and discharge cycles, daily vibrations, and the demands of personal mobility use.

Because the Amigo ETX 350 uses two SP12-26 NB batteries, replacing both with factory-fresh SigmasTek units restores peak performance and range. Keep in mind to retain and reuse your original cables and hardware for proper connection. Each battery is U.L. recognized and CE certified, and backed by a one-year warranty and guaranteed performance.

Ready to restore mobility confidence? Buy these SP12-26 NB (12V 26AH) replacement batteries for the Amigo ETX 350 today and enjoy a dependable, long-lasting battery solution with quick shipping and trusted quality.


Payment & Security

Payment methods

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