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SigmasTek  |  SKU: BW-9278

12 Volt 40 Amp High Performance Wheelchair Replacement Battery

Sale price $133.20 USD Regular price $174.41
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, and high-quality construction for long-lasting use

➤ Maintenance-free sealed lead acid design with non-spillable safety

➤ UL listed with a minimum one-year warranty for peace of mind

➤ Ideal for wheelchair applications with fast 24-hour shipping and expert support


📦🚀 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 | 40 Ah

Terminal Type

Nut & Bolt

Replacement 12 Volt 40 Amp Wheelchair Battery - 12 V 40 AH (Sealed Lead Acid)

Get a dependable, brand-new replacement battery that meets or exceeds OEM SLA specifications for wheelchair and general-purpose power applications. This 12 Volt 40 Amp Wheelchair battery is built factory-fresh for dependable operation, offering non-spillable sealed lead acid construction and reliable standby and cycle performance. If you need a high-performance battery that’s maintenance-free and ready for long-term use, this is an excellent choice.

Key Specifications

  • Model / Name: 12 Volt 40 Amp Wheelchair battery
  • Voltage: 12 Volts
  • Capacity: 40 Ah
  • Chemistry: Sealed Lead Acid (SLA)
  • Design: Maintenance free, non-spillable design
  • Orientation: Can operate in any orientation
  • Use Types: Cycle and standby use
  • Life Expectancy: 3-5 years in standby use
  • Certifications: UL listed
  • Warranty: Minimum one year warranty
  • Condition: Brand new, factory fresh
  • Brand: SigmasTek
  • Terminal Type: Nut & Bolt

Benefits

  • Durability: Sealed Lead Acid construction and maintenance-free design make this replacement battery rugged and dependable for everyday use and emergency scenarios.
  • Long Life: With a typical standby life expectancy of 3–5 years, this long-lasting battery is ideal for devices that demand extended readiness and reliable backup power.
  • High Performance: Meeting or exceeding OEM SLA specs and UL listed, this high-performance battery delivers consistent voltage and dependable capacity under both cycle and standby conditions.
  • Versatility: The non-spillable SLA design allows installation in various orientations, making it practical for tight or unusual battery compartments in mobility equipment and electronics.
  • Typical Applications: Perfect for emergency lighting, security alarms, fire alarms, home & garden devices, consumer electronics, and medical equipment that require reliable standby or cycle power.
  • Safe & Ready: Factory-fresh condition, UL listing, and a one-year minimum warranty provide reassurance of quality and safety when replacing critical batteries.

Don’t let a weak battery limit your equipment—purchase this replacement battery now and enjoy the reliable, long-lasting battery performance you need. Order today to get prompt shipping and exceptional value on a high-performance battery built for demanding applications.


Payment & Security

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