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SigmasTek  |  SKU: BW-6242

DSC Alarm Systems SB1240 High Capacity Compatible Replacement Battery

Sale price $13.11 USD Regular price $15.83
Shipping calculated at checkout.

➤ Meets or exceeds original OEM battery specifications for reliable performance

➤ Valve regulated, spill-proof construction ensures safety and durability

➤ U.L. Recognized and CE Certified for trusted quality and compliance

➤ Rugged plastic case provides protection against impacts and wear

➤ Includes 1 brand new, factory fresh SP12-5 (12V 5AH) battery with 1-year warranty


📦🚀 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 | 5 AH

Terminal Type

F1

Alarm Replacement Battery for DSC Alarm Systems SB1240

This replacement battery is tailored for the DSC SB1240 alarm system and is engineered to meet or exceed original manufacturer specifications. Featuring the SP12-5 (12 V 5 AH) cell, the unit provides consistent, reliable backup power to keep your alarm, access control, and security systems operational when mains power fails. Choose this high-performance battery for dependable protection and compatibility with your SB1240 equipment.

Key Specifications

  • Battery Model: SP12-5
  • Voltage: 12 V
  • Capacity: 5 AH
  • Quantity: 1 battery
  • Construction: Valve Regulated Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Case: Rugged Plastic Case And Cover
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek

Benefits

  • Durability: Robust plastic housing and valve-regulated design reduce maintenance and risk of leakage in enclosed alarm cabinets.
  • Long Life: Engineered for reliable standby performance and extended shelf life, providing a long-lasting battery option for security systems.
  • High Performance: Delivers steady power to support alarm panels, sensors, and auxiliary devices during critical moments.
  • Certified Safety: U.L. recognition and CE certification ensure compliance with common safety and quality standards.
  • Recommended Uses: Perfect for home alarm systems, burglar and security alarm panels, access control installations, and small power supply backups.
  • Compatibility: Designed as a direct-fit replacement SP12-5 unit for the DSC SB1240 platform to simplify installation and ensure full compatibility.
  • Peace of Mind: Brand new, factory-fresh condition with a one-year warranty offers protection against defects and early failures.

Don’t compromise your security — replace aged or failing batteries with this reliable replacement battery for the SB1240. Order the SP12-5 12 V 5 AH unit now to secure fast shipping and maintain continuous protection for your property.


Payment & Security

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