Invacare Pronto R2 High Performance Replacement Battery for Wheelchair
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 | 55 AH
Terminal Type
Nut & Bolt
Replacement Invacare Pronto R2 Wheelchair Battery - Compatible with Invacare Pronto R2 (SP12-55 NB)
Rejuvenate your Invacare Pronto R2 with this reliable, factory-fresh replacement battery. Engineered to provide consistent, long-lasting power, this replacement battery ensures your Pronto R2 maintains peak performance. With dependable deep-cycle capacity and superior construction, it’s an excellent choice for anyone seeking a high-performance battery for mobility and daily use.
Key Specifications
- Compatible Model: Invacare Pronto R2
- Replacement Model: SP12-55 NB
- Voltage: 12 Volts
- Amp-Hours: 55 AH
- Terminal Type: Nut & Bolt
- Technology: Absorbent Glass Mat (AGM)
- Usage Type: Designed for Deep Cycle Usage
- Construction: Valve Regulated Spill Proof
- Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Replacement Brand: SigmasTek
Benefits
- Durability: The sealed AGM and valve-regulated design protect internal components from spills and shock, making it robust enough for everyday mobility tasks.
- Long Life: Purpose-built for deep cycling, this long-lasting battery is optimized to withstand regular discharge and recharge cycles for extended service life.
- High Performance: High energy density ensures consistent and reliable power output, qualifying it as a high-performance battery for demanding mobility applications.
- Compliance & Quality: U.L. recognition and CE certification underscore the battery’s trusted safety and quality standards.
- Primary Applications: Perfect for electric wheelchairs, power chairs, mobility chairs, and mobility scooters—specifically compatible with the Invacare Pronto R2.
- Additional Uses: Also suited to UPS systems, emergency power applications, and portable power tools where a dependable long-lasting battery is needed.
- Hassle-Free Installation: Designed to work with your existing cables and hardware and features nut & bolt terminals for secure connection.
Purchase this replacement Invacare Pronto R2 SP12-55 NB long-lasting battery now to restore reliable performance to your mobility device. Backed by a 1 year warranty and fast shipping, this high-performance battery is ready to keep you moving—order today.
-
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.



