Dyna-Ray 5502 High Capacity Replacement Battery
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    🔹 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 | 7 AH
Terminal Type
F1
Dyna-Ray 5502 Battery Replacement — Compatible with Dyna-Ray 5502
When you need a direct-fit, reliable replacement battery for the Dyna-Ray 5502, choose a solution designed for compatibility, consistent performance, and long-term reliability. This replacement battery meets or exceeds OEM SLA specifications for the Dyna-Ray 5502 model and offers AGM construction and maintenance-free operation to keep your critical systems powered and protected. It’s a high-performance battery option that delivers the reserve energy your emergency devices require.
Key Specifications
- Model Compatibility: Dyna-Ray 5502
- Brand: SigmasTek
- Voltage: 6 Volts
- Capacity: 7 AH
- Terminal Type: F1
- Battery Type: Sealed Lead Acid (SLA), Absorbent Glass Mat (AGM) Technology
- Design: Maintenance-Free, Spill Proof Construction
- Safety Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
Benefits
This replacement battery uses AGM technology to provide a rugged, maintenance-free power source that resists vibration and helps prevent electrolyte leakage. The result is a durable and long-lasting battery that retains capacity and performs reliably during emergency discharges. Because it’s sealed and spill-proof, installation is clean and safe—even in enclosed cabinets and vertical orientations.
Designed for consistent, high-performance operation, this battery supports rapid recharge and stable output, making it ideal for demanding standby applications. It’s U.L. recognized and CE certified to meet safety and quality standards, offering peace of mind for installations in commercial, medical, and residential environments.
Common uses include emergency lighting, security and fire alarm systems, consumer electronics, and medical devices. Additionally, this replacement battery is a great fit for UPS backups, emergency power units, and portable power tools when SLA format is required. Choose this long-lasting battery to ensure your Dyna-Ray 5502-equipped systems stay operational when you need them most.
Don’t wait until a failure occurs—purchase this high-performance replacement battery for your Dyna-Ray 5502 today and keep critical systems protected with dependable standby power.
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Payment & Security
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