12V 40AH Wheelchair High Performance Replacement Battery
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⚠️ 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 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
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
⚠️ 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
12V 40AH Wheelchair Replacement Battery — Single Unit (12V 40AH, NB)
This 12V 40AH replacement battery is crafted to deliver compatibility, dependable performance, and long-term reliability for a range of mobility devices and equipment. As a high-performance battery, it features a high discharge design, a wide operating temperature window, and a long expected service life. The battery meets or exceeds original manufacturer specifications to ensure quality and durable operation for your device.
Key Specifications
- Package contains: 1 battery
- Volts: 12
- Amps: 40
- Weight: 29.07 Lbs
- Length: 7.76
- Width: 6.5
- Height: 6.69
- Terminal: NB (Nut & Bolt)
- Chemistry: SLA (Sealed Lead Acid)
- Technology: AGM (Absorbent Glass Mat)
- Maintenance-free
- Spill Proof
- Guaranteed compatibility with original battery
- Warranty: 1-year Warranty
- Shipping Methods: UPS Ground and USPS
- Shipping time: We ship in 1 business day for all in-stock items
- Additional: Shipping & Return Policies apply
- Brand indicator: *SigmasTek*
Benefits
This 12V 40AH replacement battery is a long-lasting battery option engineered for resilience and consistent output. The AGM SLA construction delivers maintenance-free, spill-proof performance that reduces the need for routine service while protecting both the device and user. As a high-performance battery, it supports higher discharge rates—ensuring reliable power delivery for wheelchairs and other energy-demanding devices.
Expect dependable operation across a variety of conditions due to the wide operating temperature range and sturdy internal design that preserves cell integrity over many cycles. Typical uses extend beyond mobility devices: this battery is an excellent choice for UPS backup systems, emergency power reserves, medical equipment, and portable tools that require 12V 40AH capacity. The single-unit packaging makes it easy to replace one battery at a time when needed.
Installation should follow the original configuration and reuse the existing cables and hardware. We recommend checking your existing battery dimensions prior to ordering, as manufacturers can change specifications without notice. With a one-year warranty, fast same-business-day shipping on in-stock items, and clear shipping and return policies, this battery gives you confidence in both performance and support.
Need a dependable 12V 40AH replacement battery? Add this long-lasting, high-performance battery to your cart now and secure reliable power for your device today.
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