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SigmasTek  |  SKU: BW-10349

A-Bec Std Series U1 High Performance Wheelchair Replacement Battery

Sale price $107.13 USD Regular price $140.27
Shipping calculated at checkout.

➤ Factory fresh A-Bec Std Series U1 wheelchair battery for reliable power

➤ 100% compatible replacement for A-Bec Std Series U1 units

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

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

➤ Includes 1-year warranty and guaranteed performance


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert 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.
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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

Replacement A-Bec Std Series U1 Battery — Compatible with A-Bec Std Series U1 (SP12-35 NB, 12V 35AH)

Restore peak mobility performance with this factory-fresh replacement battery for A-Bec Std Series U1 wheelchairs. The SP12-35 NB (12V 35AH) battery is engineered to provide robust, deep-cycle power and dependable reliability so your A-Bec Std Series U1 unit operates consistently for daily use. This replacement battery is an ideal choice when you need a long-lasting battery that balances energy density with maintenance-free convenience.

Key Specifications

  • Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Usage: Designed for Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof Construction
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Seller Brand: SigmasTek
  • Terminal Type: Nut & Bolt
  • Quantity Required: 1 battery per A-Bec Std Series U1 wheelchair

Benefits

  • Durability: AGM and valve-regulated construction minimize leaks and maintenance, delivering a durable replacement battery that thrives in demanding daily mobility use.
  • Long Life: Deep-cycle design supports repeated charging cycles for extended service life, making this a dependable long-lasting battery choice for users who depend on their mobility aids.
  • High Performance: The high energy density ensures consistent output even under load, providing the high-performance battery characteristics needed to power motors and electronics reliably.
  • Safety & Certifications: U.L. and CE certifications reflect compliance with recognized safety standards for consumer mobility batteries.
  • Versatile Applications: While optimized for electric wheelchairs, power chairs, mobility chairs, and mobility scooters, this SP12-35 NB battery is also suitable for UPS backup, emergency power applications, and portable tool setups that accept a 12V 35AH deep-cycle battery.
  • Easy Installation: Fully compatible with your A-Bec Std Series U1—reuse existing cables and hardware for a straightforward replacement experience.

Don't let a weak battery limit your mobility. Order the SP12-35 NB replacement battery today for a high-performance, long-lasting battery solution backed by a 1-year warranty and fast shipping.


Payment & Security

Payment methods

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  • Discover
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