Sonnenschein A212/5.7S 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
12 Volts | 7.5 Ah
Terminal Type
F2
Sonnenschein A212/5.7S Replacement Battery — Compatible with Sonnenschein A212/5.7S
When it’s time to replace the battery in your Sonnenschein A212/5.7S emergency lighting unit, choose a dependable, maintenance-free option built to meet OEM expectations. This replacement battery offers stable performance, industry-recognized certifications, and construction designed for safe, long-term service in emergency and standby applications.
Key Specifications
- Model Compatibility: Sonnenschein A212/5.7S
- Type: Rechargeable Sealed-Lead-Acid (SLA) Emergency Lighting Battery
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 12 Volts
- Capacity: 7.5 Ah
- Terminal: F2
- Construction: Maintenance-Free, Spill Proof
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Brand: SigmasTek (replacement for Sonnenschein)
- Warranty: 1 Year
Benefits
Engineered with AGM technology, this high-performance battery provides excellent charge acceptance and minimal gassing, which helps maintain safe operation across a wide range of installed environments. As a long-lasting battery solution, it reduces the need for frequent replacements and ensures dependable operation for emergency lighting circuits and backup systems.
Its sealed, maintenance-free design and spill-proof housing eliminate the need for routine fluid checks, making it ideal for use in enclosed fixtures and wall-mounted cabinets. The battery’s rugged construction and stable chemistry also improve resistance to deep discharge and frequent cycling, which enhances its durability in demanding applications.
Typical applications include UPS backups, emergency lighting systems, exit signs, security systems, and other standby power roles where reliability is essential. The unit is U.L. recognized and CE certified to meet regulatory and safety requirements for commercial and institutional installations. Each battery ships brand new and is covered by a 1 year warranty for added confidence.
Ready to restore full functionality to your Sonnenschein A212/5.7S? Add this replacement battery to your cart now and ensure uninterrupted emergency power when you need it most.
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