Sure-Lites RD3 High Performance 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
6 Volts | 12 Ah
Terminal Type
F1
Sure-Lites RD3 Replacement Battery — Compatible with Sure-Lites RD3
When your Sure-Lites RD3 begins to show signs of wear, replace it with this reliable replacement battery engineered for performance and compatibility. This sealed SLA battery employs Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design to ensure dependable operation in emergency lighting systems. You’ll get a long-lasting battery solution that meets or exceeds OEM specifications and supports critical safety functions.
Key Specifications
- Compatibility: Sure-Lites RD3
- Brand: SigmasTek (replacement)
- Battery Type: Rechargeable Sealed-Lead-Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 6 Volts
- Capacity: 12 Ah
- Terminal Type: F1
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
- Intended Use: Emergency Lighting
Benefits
This RD3 replacement battery is built for robust performance and extended service life. AGM cells provide reliable charge acceptance and low internal resistance, resulting in consistent output for emergency illumination and standby power. The maintenance-free, spill-proof construction reduces the need for upkeep and minimizes the risk of accidental leaks or corrosion, while U.L. recognition and CE certification ensure dependable safety credentials.
As a high-performance battery, it suits a variety of applications: emergency lighting units, UPS systems, emergency power backups, and portable or fixed tools that rely on stable SLA power. Facilities and maintenance teams will appreciate the plug-compatible terminal configuration and the brand-new condition that guarantees readiness straight out of the box. The included one-year warranty adds protection and peace of mind for installations in commercial, industrial, and institutional settings.
This replacement battery represents a cost-effective alternative to OEM parts without sacrificing quality. It provides the reliable holding capacity and rugged construction required for life-safety applications, ensuring systems remain operational during outages and routine testing cycles.
Ready to replace your Sure-Lites RD3? Add this RD3 replacement battery to your cart now for a long-lasting battery option backed by industry-recognized certifications and a 1-year warranty.
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