Electric Mobility Rascal 645 Powerchair High Performance 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 | 75 AH
Terminal Type
Nut & Bolt
Replacement Battery for Electric Mobility Rascal 645 Powerchair - SP12-75 NB (12 V 75 AH)
Give your Electric Mobility Rascal 645 Powerchair renewed energy with a dependable replacement battery that emphasizes performance, safety, and longevity. These brand new Electric Mobility Rascal 645 Powerchair batteries are 100% compatible with the Rascal 645 unit and provide the consistent power delivery needed for comfortable, reliable mobility. Choose a high-performance battery that restores range and responsiveness to your powerchair.
Key Specifications
- Model: SP12-75 NB
- Voltage: 12 Volts
- Capacity: 75 AH
- Terminal: Nut & Bolt
- Requires: 2 batteries for the Electric Mobility Rascal 645 Powerchair unit
- Technology: Absorbent Glass Mat (AGM) Technology
- Designed for: Deep Cycle Usage
- Construction: Valve Regulated Spill Proof Construction
- Energy Characteristic: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Performance: Performance Guaranteed
Benefits
Built with AGM technology and valve-regulated design, this replacement battery delivers a maintenance-free, spill-proof user experience with strong deep-cycle capability. The SP12-75 NB supports repeated charge/discharge cycles without rapid degradation, providing a long-lasting battery solution that keeps your Rascal 645 performing reliably day after day.
The battery’s superior power-to-volume ratio translates to a compact form factor with ample usable energy, improving range without sacrificing space. Certified to U.L. and CE standards and shipped factory-fresh, these batteries meet strict safety and quality benchmarks. Nut-and-bolt terminals ensure a firm connection when reusing your existing cables and hardware, so installation is straightforward.
Ideal applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters. For additional versatility, this high-performance battery can also be used in UPS systems, emergency power situations, and portable tool setups that require a trusted 12V deep-cycle source.
Ready to get back on the move? Order your replacement Electric Mobility Rascal 645 Powerchair battery now for dependable, long-lasting battery performance and fast fulfillment. Buy today to restore mobility with confidence.
-
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.



