21st Century Bounder High Performance Wheelchair 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 | 100 Ah
Terminal Type
Nut & Bolt
SigmasTek 12V 100Ah Wheelchair Replacement Battery (21st Century Compatible)
This SigmasTek 12 Volt 100 Ah wheelchair replacement battery is designed to meet the needs of mobility systems requiring long-duration power and rugged reliability. Engineered for mobility chairs and similar applications, this long-lasting battery delivers steady performance and dependable operation. As a high-performance battery solution, it's a solid choice when you need consistent energy delivery, structural durability, and compatibility with 21st Century replacement requirements.
Key Specifications
- Manufacturer: SigmasTek
- Brand Replacement: 21st Century
- Voltage: 12 Volts
- Amp Hours: 100 Ah
- Terminal Type: Nut & Bolt
- Length: 12 in.
- Width: 6.6 in.
- Height: 8.15 in.
- Weight: 136.00 lb.
- Type: Wheelchair
- Polarity: "+/-"
- Warranty: 12 Months
Benefits
- Reliable mobility support — Specifically intended for wheelchair and mobility applications, this replacement battery helps ensure dependable travel distance and performance for daily use.
- High-capacity performance — At 100 Ah, it provides ample reserve energy for extended operation and reduces the frequency of recharges, making it an excellent long-lasting battery option for users who need extended run times.
- Solid construction and fit — Physical dimensions and nut & bolt terminals make installation straightforward in compatible battery trays and mounts, helping maintain a secure electrical connection under vibration and movement.
- Designed for durability — The build and specified weight indicate a robust battery intended to withstand the demands of mobility systems, delivering a high-performance battery experience over repeated cycles.
- Warranty backed — A 12-month warranty gives added peace of mind, ensuring coverage for manufacturing defects and initial service issues.
- Universal polarity layout — The "+/-" polarity labeling allows installers to confirm correct orientation and wiring for safe, proper installation.
If you need a dependable 21st Century-compatible replacement battery for your wheelchair or similar mobility equipment, this SigmasTek 12V 100Ah unit is engineered to deliver consistent power, durability, and a solid warranty. Order now to secure a high-performance, long-lasting battery for your mobility needs.
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Payment & Security
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