Sonnenschein NGA51204D2HSOSA High Performance 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.
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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 | 4.5 AH
Terminal Type
F1
Sonnenschein NGA51204D2HSOSA Battery (Replacement) - Compatible with Sonnenschein NGA51204D2HSOSA
Restore full functionality to your emergency lighting system with this Sonnenschein NGA51204D2HSOSA replacement battery. Designed for direct compatibility and dependable runtime, this high-quality replacement battery meets or exceeds OEM SLA specifications so you can rely on consistent power during tests and outages. It’s an ideal choice when performance, safety, and compatibility are priorities for your facilities.
Key Specifications
- Model Compatibility: Sonnenschein NGA51204D2HSOSA
- Technology: Absorbent Glass Mat (AGM) Technology
- Design: Maintenance-Free Design with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Type: Rechargeable Sealed-Lead-Acid (SLA) Emergency Lighting Battery
- Brand: SigmasTek
- Voltage: 6 Volts
- Capacity: 4.5 AHF1
- Notes: Meets or exceeds OEM SLA battery specifications
Benefits
The Sonnenschein NGA51204D2HSOSA replacement battery is built with AGM technology for reliable, maintenance-free operation. This construction supports a sealed, spill-proof design that simplifies installation and servicing while protecting surrounding components from corrosion or acid exposure. As a high-performance battery, it delivers stable output needed for emergency lighting circuits and periodic discharge testing.
Expect robust durability and long operational life from this long-lasting battery when used in accordance with recommended charging practices. Its sealed lead-acid chemistry offers predictable performance over many cycles, making it suitable for frequent test routines required by safety regulations. The UL recognition and CE certification further ensure compliance with recognized safety and quality benchmarks.
Common applications include emergency exit fixtures, distributed emergency lighting modules, small uninterruptible power systems (UPS) for critical low-power devices, and other emergency power installations in commercial buildings, schools, healthcare facilities, and industrial sites. As a direct OEM-compatible replacement battery for the Sonnenschein NGA51204D2HSOSA model, it’s an efficient, cost-conscious option for maintaining system reliability.
Whether you’re a contractor, facilities manager, or maintenance technician, choosing this SigmasTek replacement battery helps ensure uninterrupted safety lighting and dependable emergency performance.
Don’t wait for a failure—order this Sonnenschein NGA51204D2HSOSA replacement battery now to secure reliable emergency lighting and a long-lasting battery backed by a 1 year warranty.
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