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SigmasTek  |  SKU: BW-10112

Invacare AGM1234T Wheelchair High Performance Replacement Battery

Sale price $91.99 USD Regular price $140.27
Shipping calculated at checkout.

➤ Factory fresh Invacare AGM1234T replacement battery for reliable performance

➤ 100% compatible with Invacare AGM1234T wheelchairs and power chairs

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

➤ Valve regulated, spill-proof design ensures safety and maintenance-free use

➤ Includes 1-year warranty and meets U.L. and CE certification standards


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Replacement Invacare AGM1234T Wheelchair Battery — Compatible with Invacare AGM1234T

Upgrade your mobility with this brand new replacement Invacare AGM1234T wheelchair battery. Factory fresh and engineered for reliable daily use, this high-performance battery delivers the consistent power your Invacare AGM1234T needs. Designed for dependable performance and compatibility, the SP12-35 NB (12 V 35 AH) unit offers a long-lasting battery solution for electric wheelchairs, power chairs, and mobility scooters. Trust a replacement battery that emphasizes safety, energy density, and proven durability.

Key Specifications

  • Compatible Model: Invacare AGM1234T
  • Battery Model: SP12-35 NB
  • Voltage: 12 Volts
  • Amp-Hours: 35 AH
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Application: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Energy: 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

Benefits

  • Durability & Reliability — Built with AGM technology and valve regulated, spill-proof construction, this replacement battery withstands the rigors of daily mobility use. The rugged design reduces maintenance and improves safety compared to flooded cells.
  • Long Life & Deep Cycle Performance — Specifically designed for deep cycle usage, the 12 V 35 AH capacity delivers sustained runtime and a long-lasting battery life for frequent charge/discharge cycles in wheelchair and scooter applications.
  • High Performance — With a superior power-to-volume ratio and energy density, this high-performance battery provides the reserve power needed for climbs, longer distances, and consistent motor performance on your Invacare AGM1234T.
  • Safe & Certified — U.L. Recognized and CE Certified for quality and safety; valve-regulated design minimizes leaks and maintenance concerns, making it suited for medical mobility and personal transport devices.
  • Versatile Applications — Ideal for electric wheelchairs, power chairs, mobility chairs, and mobility scooters. Also suitable as a dependable backup in small UPS systems, emergency power setups for essential devices, and portable tools that accept similar battery specifications.
  • Easy Installation — 100% compatible with your Invacare AGM1234T; use your existing cables and hardware for a straightforward swap. Nut & Bolt terminals make secure connections simple.

Ready to replace your old battery? Buy the Invacare AGM1234T replacement battery today and enjoy a reliable, long-lasting battery solution at a great price. Orders for in-stock items typically ship within 24 hours — purchase now to restore mobility and confidence with a trusted high-performance battery.


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