12 Volt 18 Amp High Performance Wheelchair Replacement Battery
Couldn't load pickup availability
⚠️ 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.
POST YOUR IMAGE
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 | 18 Ah
Terminal Type
Nut & Bolt
12 Volt 18 Amp Wheelchair Rechargeable Battery — 12 Volt 18 Amp Wheelchair Battery
This 12 Volt 18 Amp wheelchair rechargeable battery is a brand new, factory-fresh replacement that meets or exceeds OEM SLA battery specifications for mobility and backup applications. Offering maintenance-free, sealed lead acid performance and UL listing, this battery provides reliable power, consistent runtime, and long-term durability. If you’re looking for a dependable, long-lasting battery replacement for wheelchair or general standby use, this 12 Volt 18 Amp Wheelchair battery is a practical and cost-effective solution.
Key Specifications
- Model Description: 12 Volt 18 Amp Wheelchair rechargeable battery
- Condition: Brand New, Factory Fresh
- Type: Sealed Lead Acid (SLA) battery
- Maintenance: Maintenance free
- Design: Non-spillable design
- Orientation: Can operate in any orientation
- Intended Use: Ideal for both cycle and standby use
- Expected Life: Life expectancy between 3-5 years in standby use
- Warranty: Minimum of one year warranty
- Certification: UL listed
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 18 Ah
- Terminal Type: Nut & Bolt
Benefits
This long-lasting battery is engineered for durability and everyday reliability. As a sealed, maintenance-free unit with a non-spillable design, it eliminates routine electrolyte maintenance and reduces the risk of leaks or corrosion. Its robust construction supports both cycle and standby applications, giving you the versatility to use this battery in mobility devices or as a backup power source.
As a high-performance battery, the 12V 18Ah capacity provides a strong balance of runtime and compact form factor, making it suitable for wheelchairs, mobility aids, and a wide range of other equipment. The expected 3–5 year life in standby service means you’ll enjoy prolonged service life in emergency lighting, security and fire alarm systems, and medical equipment, while the UL listing and factory-fresh condition add confidence to your purchase.
Typical applications include emergency lighting, security alarms, fire alarms, home & garden devices, consumer electronics, and medical equipment. Additionally, this battery is well-suited to UPS systems, emergency power applications, and tools that require a sealed lead-acid power source. Its ability to operate in any orientation and the maintenance-free design make it ideal for compact installations and portable equipment.
Buy your 12 Volt 18 Amp Wheelchair battery today for reliable, long-lasting power backed by a minimum one year warranty and fast shipping. Restore performance to your equipment with this trusted replacement battery—order now.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.