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SigmasTek  |  SKU: BW-12946

Sonnenschein A312/1.8S Compatible Replacement Battery

Sale price $20.16 USD Regular price $23.44
Shipping calculated at checkout.

➤ Meets or exceeds OEM Sonnenschein A312/1.8S specifications for perfect compatibility

➤ Absorbent Glass Mat (AGM) technology ensures reliable, maintenance-free performance

➤ Spill-proof construction for safe and hassle-free use in any environment

➤ U.L. recognized and CE certified for guaranteed safety and quality standards

➤ Includes a 1-year warranty and arrives 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 | 2.3 Ah

Terminal Type

F1

Sonnenschein A312/1.8S Replacement Battery — Compatible with Sonnenschein A312/1.8S

Ensure uninterrupted performance with this Sonnenschein A312/1.8S replacement battery, crafted to meet or exceed the original OEM SLA battery specifications. This high-performance battery is engineered for reliability and consistency across emergency lighting and standby power systems. If you rely on your equipment for critical alerts and safety functions, this replacement battery provides the dependable energy and long-lasting battery life you require.

Key Specifications

  • Compatible Model: Sonnenschein A312/1.8S
  • Replacement Brand: SigmasTek (replacement)
  • Battery Type: Sealed Lead Acid (SLA) — Absorbent Glass Mat (AGM) Technology
  • Voltage: 12 Volts
  • Capacity: 2.3 Ah
  • Terminal Type: F1
  • Design: Maintenance-Free, Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Meets or Exceeds: OEM Sonnenschein A312/1.8S SLA specifications

Benefits

Built with AGM technology, this Sonnenschein A312/1.8S replacement battery offers excellent durability and a maintenance-free experience that reduces downtime and total upkeep. The spill-proof construction and UL/CE recognition make it safe for indoor installation and compliant with industry safety standards. As a long-lasting battery option, it minimizes replacement frequency and ensures continuous readiness for critical systems.

Designed as a high-performance battery for standby and cyclic duty, it delivers consistent output and robust recharge behavior—ideal for applications that require immediate power during outages. The combination of certified safety features and factory-fresh condition gives you confidence in performance across a wide range of devices.

  • Durability: AGM construction enhances robustness and resistance to vibration.
  • Long Life: Engineered to provide extended operational life in standby applications.
  • High Performance: Stable power delivery for reliable operation of connected equipment.
  • Typical Applications: Emergency lighting, security alarms, fire alarms, UPS systems, emergency power, power tools, medical devices, home & garden equipment, and consumer electronics.

Don’t wait until a failure disrupts your critical systems. Purchase this Sonnenschein A312/1.8S replacement battery now for dependable backup power and long-term reliability. Click to add to cart or contact customer service for help with ordering and installation.


Payment & Security

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