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SigmasTek  |  SKU: BW-5946

Dual-Lite 12-864 Premium Replacement Battery

Sale price $18.66 USD Regular price $22.53
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for reliable power

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

➤ U.L. recognized and CE certified for safety and quality assurance

➤ Brand new, factory fresh battery ensuring optimal performance

➤ 1 year warranty for peace of mind and dependable service


📦🚀 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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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.
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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

6 Volts | 12 Ah

Terminal Type

F1

Dual-Lite 12-864 Replacement Battery — Compatible with Dual-Lite 12-864

Ensure uninterrupted emergency operation with this Dual-Lite 12-864 replacement battery engineered for dependable performance and full compatibility. Designed as a direct-fit substitute for the Dual-Lite 12-864 model, this sealed lead-acid (SLA) battery delivers reliable power, consistent recharge behavior, and maintenance-free convenience. Whether you're replacing old cells in emergency fixtures or upgrading critical backup systems, this high-performance battery from SigmasTek offers OEM-level quality at a competitive price.

Key Specifications

  • Voltage: 6 Volts
  • Capacity: 12 Ah
  • Terminal Type: F1
  • Technology: Absorbent Glass Mat (AGM)
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Brand: SigmasTek

Benefits

  • Durability: AGM technology and sealed construction protect internal cells from vibration and handling, ensuring reliable service life in emergency systems.
  • Long Life: Engineered for longevity with quality control and fresh factory conditioning that help this long-lasting battery deliver dependable standby power.
  • High Performance: Stable voltage output, efficient charge acceptance, and consistent discharge make this a high-performance battery for mission-critical applications.
  • Maintenance-Free Convenience: The sealed, spill-proof design eliminates the need for routine maintenance so you can install and forget until replacement time.
  • Certified Safety: U.L. and CE certifications confirm adherence to recognized safety and manufacturing standards for backup power components.
  • Common Uses: Ideal for emergency lighting, exit signage, UPS backup, alarm systems, emergency power systems, and portable tools requiring a reliable replacement battery.
  • OEM Fit: Guaranteed compatibility with Dual-Lite 12-864 ensures fit, function, and reliable restoration of your emergency lighting performance.

Don’t wait for a power loss to reveal a weak battery. Replace your Dual-Lite 12-864 now with this brand new, factory-fresh SigmasTek unit—a long-lasting battery that offers the performance and safety you need. Add to cart today and secure reliable emergency power and peace of mind.


Payment & Security

Payment methods

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  • Visa

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