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SigmasTek  |  SKU: BW-15555

Johnson Controls JC1240 High Performance Replacement Battery

Sale price $11.99 USD Regular price $17.28
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

➤ Maintenance-free and spill-proof design for hassle-free use

➤ U.L. recognized and CE certified for safety and reliability

➤ Brand new and factory fresh to ensure maximum lifespan

➤ 1-year warranty for guaranteed 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 | 5 AH

Terminal Type

F1

Replacement Johnson Controls JC1240 Battery (Compatible with Johnson Controls JC1240)

The Johnson Controls JC1240 replacement battery is precision-built for compatibility, performance, and dependability. Specifically designed to meet or exceed OEM rechargeable Sealed Lead Acid (SLA) specifications, this JC1240 replacement battery ensures your equipment returns to reliable operation quickly. It is an excellent choice for users seeking a robust, high-performance battery that provides consistent power and proven safety compliance.

Key Specifications

  • Model Compatibility: Johnson Controls JC1240
  • Type: Rechargeable Sealed Lead Acid (SLA) battery
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Voltage: 12 Volts
  • Rating: 5 AHF1
  • Design: Maintenance-Free with Spill Proof Construction
  • Safety & Compliance: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Compatibility Statement: Meets or exceeds OEM SLA battery specifications; 100% compatibility with Johnson Controls JC1240

Benefits

  • Durability: AGM construction and a sealed, leak-proof housing ensure rugged performance in portable and stationary installations.
  • Long Life: Engineered to be a long-lasting battery replacement that holds capacity over many cycles, providing dependable runtime when you need it most.
  • High Performance: As a high-performance battery, it maintains steady voltage and reliable current delivery for sensitive electronics and standby systems.
  • Maintenance-Free Reliability: The maintenance-free design eliminates electrolyte servicing, simplifying maintenance and reducing downtime.
  • Certified & Safe: U.L. Recognition and CE certification confirm that the battery adheres to recognized safety and quality standards.
  • Versatile Applications: Ideal for UPS systems, emergency power backups, security and alarm systems, portable tools, telecom equipment, and other critical standby applications.
  • Hassle-Free Replacement: Designed for direct replacement with OEM-equivalent performance at an attractive price, backed by a 1 year warranty.

Choose this Johnson Controls JC1240 replacement battery to restore reliable, long-lasting power to your equipment. Purchase today to get a brand new, factory-fresh, certified replacement battery with full compatibility and a 1 year warranty.



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