Altronix AL642UL2ADA Alarm High-Performance Compatible Replacement Battery Set
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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.
🔹 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 | 12 Ah
Terminal Type
F2
SigmasTek 12V 12Ah F2 Replacement Battery — Compatible with Altronix
Designed as a direct-fit replacement battery for Altronix security systems, the SigmasTek 12 Volts 12 Ah F2 battery delivers dependable power, consistent performance, and proven reliability. Whether you’re maintaining an alarm panel, access control, or UPS backup, this replacement battery provides the reliable reserve power you need to keep critical systems online. This high-performance battery is engineered for consistent charge acceptance and dependable standby service, making it a top pick for security professionals and facility managers seeking a long-lasting battery solution.
Key Specifications
- Manufacturer: SigmasTek
- Length (in.): 5.95
- Brand Replacement: Altronix
- Width (in.): 3.86
- Voltage: 12 Volts
- Height (in.): 3.7
- Amp Hours: 12 Ah
- Weight (lb.): 14.50
- Terminal Type: F2
- Type: Security Alarm
Benefits
This SigmasTek replacement battery offers exceptional durability and a long service life, built to withstand the demands of continuous standby applications. As a high-performance battery, it delivers stable voltage under load and reliable recharge characteristics—ideal for emergency power, UPS systems, alarm panels, access control, and other mission-critical devices. The F2 terminal provides secure, easy connections, reducing installation time and ensuring a firm electrical contact for consistent power delivery.
Engineered for long-term reliability, this long-lasting battery minimizes downtime and replacement frequency, helping to reduce maintenance costs and keep security and backup systems operational. Its compact dimensions make it a space-efficient choice for cabinet-mounted battery compartments commonly found in alarm systems and small UPS enclosures. The weight and build quality signal robust internal construction, offering steady performance across varied environments.
Choose this replacement battery when you need a practical, cost-effective power solution that doesn’t compromise on performance. Its compatibility with Altronix systems and industry-standard F2 terminal make it a straightforward swap-in part for technicians and DIY installers alike. With clear specifications and dependable function, this battery supports critical equipment through power interruptions and everyday operation.
Ready to upgrade to a reliable, high-performance battery? Add the SigmasTek 12V 12Ah F2 replacement battery compatible with Altronix to your cart now and secure long-lasting power for your security and backup systems.
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Payment & Security
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