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SigmasTek  |  SKU: BW-6459

Altronix AL300ULXD Alarm High-Performance Compatible Replacement Battery Set

Sale price $58.43 USD Regular price $70.55
Shipping calculated at checkout.

➤ Compact size: 5.95" L x 3.86" W x 3.7" H for easy placement

➤ Reliable 12 Volt power output for consistent performance

➤ High 12 Ah capacity ensures longer battery life

➤ Durable F2 terminal type for secure and stable connections

➤ Lightweight at 14.5 lbs for convenient handling and installation


📦🚀 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 | 12 Ah

Terminal Type

F2

SigmasTek 12 Volts 12 Ah F2 Sealed Replacement Battery — Altronix Compatible Model

Restore dependable backup power with the SigmasTek 12 Volts 12 Ah F2 replacement battery, specifically suited for Altronix-compatible applications. Offering a combination of compact form factor, sealed safety, and consistent output, this long-lasting battery is designed to support security, emergency, and backup power systems with ease.

Key Specifications

  • Manufacturer: SigmasTek
  • Brand Replacement: Altronix
  • Voltage: 12 Volts
  • Amp Hours: 12 Ah
  • Terminal Type: F2
  • Length (in.): 5.95
  • Width (in.): 3.86
  • Height (in.): 3.7
  • Weight (lb.): 14.50
  • Type: Security Alarm

Benefits

As a replacement battery, this SigmasTek unit is built for consistent service life and reliable performance. The F2 terminal configuration makes swap-outs fast and reduces installation errors, while the compact dimensions allow it to fit neatly into existing trays and cabinets.

High Performance: This battery offers stable power delivery under load, supporting sensitive electronics and control modules without voltage sag. Being a high-performance battery, it’s a smart choice for systems that demand immediate and reliable power during outages.

Long-Lasting and Low Maintenance: The sealed lead-acid format minimizes maintenance tasks and prevents spills, delivering a long-lasting battery solution that is safe for indoor installations.

Common Use Cases:

  • Security and fire alarm system backups
  • UPS backup for networking and telecommunications
  • Emergency lighting and exit sign power sources
  • Access control and surveillance system standby power
  • Field and cabinet installations requiring 12V standby power

If you’re replacing an old battery or adding spares for preventive maintenance, the SigmasTek 12 Volts 12 Ah F2 is a reliable, long-lasting battery option that fits Altronix-compatible systems and helps maintain continuous operation.

Click to buy now and secure dependable backup power with this trusted replacement battery.


Payment & Security

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