Altronix AL400UL3 High-Performance Alarm Replacement Battery Set
Couldn't load pickup availability
⚠️ 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.
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
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
F1
Altronix AL400UL3 Alarm Battery Set — Compatible with AL400UL3
This replacement battery set is specifically configured for the Altronix AL400UL3 system, providing dependable backup power, consistent performance, and the safety features required for alarm and access control installations. As a high-performance battery option that meets or exceeds OEM SLA specifications, the AL400UL3 battery set gives you the reliability needed for continuous protection of home and commercial security systems.
Key Specifications
- Model Included: SP12-7.5 (two batteries)
- Voltage: 12 Volts
- Capacity: 7.5 Ah
- Terminal Type: F1
- Brand: SigmasTek
- Construction: Valve Regulated Spill Proof
- Certifications: U.L. Recognized and CE Certified
- Case: Rugged Plastic Case and Cover
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
- Quantity: 2 batteries per set
- Compatibility: Designed for Altronix AL400UL3 alarm and power systems
- Performance: Superior Performance Guaranteed
Benefits
Built for durability and reliable service, this replacement battery kit features valve-regulated, spill-proof construction for safe, maintenance-free operation. The rugged plastic case and UL/CE certifications ensure the batteries are suitable for professional security installations and comply with recognized safety standards. As a high-performance battery solution, it provides stable discharge profiles and predictable recharge characteristics to support long-term use.
For security installers and facility managers, this long-lasting battery provides peace of mind during blackouts and power events. It is ideal for alarm panels, access control systems, burglar alarms, and general security power supplies listed for the AL400UL3. Beyond those uses, the set works well in UPS backup modules, emergency power systems, and portable tool chargers that require reliable 12V standby power. Superior performance and matched-pair configuration minimize balancing issues and help extend the life of your replacement battery pack.
Supplied brand new with a 1 year warranty and factory freshness, this AL400UL3-compatible pack is a practical, cost-effective choice for routine maintenance and emergency replacements. Orders for in-stock items are typically shipped promptly so you can restore full operation quickly.
Protect your Altronix AL400UL3 equipment with this long-lasting, high-performance replacement battery set — add it to your cart and purchase today for reliable backup power.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



