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SigmasTek  |  SKU: BW-12871

Sonnenschein A212/24G High Performance Replacement Battery

Sale price $119.98 USD Regular price $139.48
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Absorbent Glass Mat (AGM) technology for enhanced safety and efficiency

➤ Maintenance-free and spill-proof design for hassle-free use

➤ U.L. Recognized and CE Certified ensuring high quality and safety standards

➤ Includes 1-year warranty and is brand new, factory fresh for peace of mind


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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 | 26 Ah

Terminal Type

Nut & Bolt

Sonnenschein A212/24G Replacement Battery — Compatible with Sonnenschein A212/24G

Restore dependable power with a Sonnenschein A212/24G replacement battery built to meet or exceed OEM SLA specifications. This high-performance battery provides reliable, maintenance-free operation for emergency lighting and other critical systems. Designed for compatibility and dependable service, the Sonnenschein A212/24G is an excellent choice when you need a long-lasting battery that performs under pressure.

Key Specifications

  • Model Compatibility: Sonnenschein A212/24G
  • Battery Type: Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Voltage: 12 Volts
  • Capacity: 26 Ah
  • Terminal Type: Nut & Bolt
  • Design: Maintenance-Free
  • Construction: Spill Proof
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Brand: SigmasTek
  • Warranty: 1 Year

Benefits

Built with AGM technology, the Sonnenschein A212/24G replacement battery offers robust durability and a long service life with minimal upkeep. The spill-proof and maintenance-free design reduces downtime and makes it safer to handle and install. As a high-performance battery, it supports stable voltage under load and dependable recharge characteristics, ideal for emergency lighting circuits and alarm systems that must remain operational in critical moments.

This long-lasting battery is suitable for a range of uses including emergency lighting, security and fire alarm systems, consumer electronics, and medical devices. It also works well with UPS systems and other backup power installations where consistent, reliable output is essential. Certified by U.L. and CE standards, and backed by a 1 year warranty, the Sonnenschein A212/24G provides the reassurance professionals require.

If you demand a replacement battery that combines OEM compatibility with proven SigmasTek quality, the Sonnenschein A212/24G is a smart pick. It delivers the dependable performance needed to protect people and property when power anomalies occur.

Don’t wait until your next power event—purchase the Sonnenschein A212/24G replacement battery now to ensure uninterrupted protection and long-lasting performance.


Payment & Security

Payment methods

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