Burke Mobility Plus III High Performance Compatible 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 | 35 AH
Terminal Type
Nut & Bolt
SP12-35 NB (12V 35 AH) Replacement Battery for Burke Mobility Plus III
The SP12-35 NB (12V 35 AH) replacement battery is purpose-built to be fully compatible with the Burke Mobility Plus III. This deep-cycle, factory-fresh battery delivers consistent power and durability for daily mobility use, providing a dependable and long-lasting battery option for your Burke Mobility Plus III unit. If you require a high-performance battery that balances energy density and robustness, this replacement unit delivers the performance you expect.
Key Specifications
- Model: SP12-35 NB
- Compatible With: Burke Mobility Plus III
- Voltage: 12 V
- Capacity: 35 AH
- Technology: Absorbent Glass Mat (AGM)
- Design: Valve Regulated, Spill Proof Construction
- Usage: Designed For Deep Cycle Usage
- Feature: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Terminal Type: Nut & Bolt
- Warranty: 1 Year
- Brand: SigmasTek
- Performance: Performance Guaranteed
Benefits
Engineered for deep-cycle performance, the SP12-35 NB provides extended run times, excellent cycle life and reliable discharge characteristics — all essential for mobility devices that need consistent power throughout the day. The AGM, valve-regulated construction ensures a maintenance-free, spill-proof solution that performs well in the vibration and movement typical of mobility applications. High energy density means more usable power in a compact package, making this a practical long-lasting battery choice for mobility users.
Common applications include electric wheelchairs, power chairs, mobility chairs and mobility scooters, as specified, and it is also suitable for UPS backups, emergency power modules and portable power tools requiring a robust 12V 35AH source. The nut & bolt terminal allows for straightforward installation using the original cables and hardware, ensuring an easy swap with minimal downtime.
Replace your Burke Mobility Plus III battery today with this reliable, high-performance replacement battery. Purchase now to enjoy dependable performance, a 1-year warranty and quick shipping on in-stock items.
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