Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com

WELCOME5
SigmasTek  |  SKU: BW-9498

Optiway Technology 2000 Mini U1 High Performance Wheelchair Replacement Battery 49.45 lb

23% off
New arrival
Sale price $245.99 USD Regular price $317.99
Shipping calculated at checkout.
Factory fresh, high-quality replacement Optiway Technology 2000 Mini U1 batteries
100% compatible with Optiway Technology 2000 Mini U1 wheelchair units
AGM technology with valve-regulated, spill-proof design for safety and durability
Designed for deep cycle use, providing long-lasting power and performance
Includes 1-year warranty and meets U.L. and CE certification standards
In stock

— Ready to ship immediately

Free shipping

Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe

Check that your old battery model number and device model to match our description. This makes sure they work together.


We ship your order same day if you buy it before 4 PM EST.

Send Your Battery Photo

Expert Technician Help

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.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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.


Volts & Amps

12 Volts | 35 AH

Terminal Type

Nut & Bolt

Replacement Optiway Technology 2000 Mini U1 Batteries (SP12-35 NB) — SigmasTek

Upgrade your Optiway Technology 2000 Mini U1 wheelchair with these factory-fresh replacement batteries from SigmasTek. Designed specifically for the Optiway Technology 2000 Mini U1 (requires 2 batteries, model SP12-35 NB), these 12V 35 AH units use advanced AGM construction and deep-cycle design to deliver consistent, dependable power for mobility devices. If you demand a high-performance battery that provides extended run time and reliable starting power, these long-lasting batteries are an ideal choice.

Key Specifications

  • Compatible Model: Optiway Technology 2000 Mini U1
  • Part Number: SP12-35 NB
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 35 AH (amp-hours)
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Design: Deep cycle usage
  • Construction: Valve regulated, spill proof
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Quantity Required: 2 batteries per unit

Benefits

These replacement batteries are engineered for durability and sustained performance. AGM technology offers superior vibration resistance and maintenance-free operation, making these units ideal for wheelchairs, power chairs, and mobility scooters where reliability and safety are paramount. As a high-performance battery solution, the SP12-35 NB provides excellent power-to-volume ratio, yielding high energy density so you get more run time without oversized batteries.

The deep-cycle design ensures long life and repeated recharge capability—perfect for daily mobility use. Valve regulated construction reduces leakage risk and allows safe operation in varied orientations typical of mobility devices. Certified by U.L. and CE, these batteries meet elevated safety and quality standards expected in mobility and medical applications.

Beyond mobility chairs, these long-lasting batteries are suitable for UPS backups, emergency power, and other portable power demands where a 12V 35 AH battery is appropriate. The nut & bolt terminal ensures a secure, low-resistance connection when reused with your existing wiring and hardware.

Buy your replacement Optiway Technology 2000 Mini U1 batteries today and enjoy superior longevity, certified quality, and rapid shipping on in-stock items. Order now to keep mobility devices performing at their best.

Technical Specifications

Voltage12 Volts
Amp Hours35 AH
Terminal TypeNut & Bolt
Length (in.)7.72
Width (in.)5.14
Height (in.)6.22
Weight (lb.)49.4

Product Highlights

  • Brand Replacement : Optiway Technology 2000
  • Manufacturer: SigmasTek
  • Product Type: Medical Equipment Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.