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SigmasTek  |  SKU: BW-6337

Dual-Lite 12537 High Performance Replacement Battery

Sale price $101.24 USD Regular price $122.23
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Absorbent Glass Mat (AGM) technology ensures long-lasting power

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

➤ U.L. Recognized and CE Certified for safety and quality assurance

➤ Backed by a 1-year warranty for peace of mind and durability


📦🚀 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 | 26 Ah

Terminal Type

Nut & Bolt

Replacement Dual-Lite 12537 Emergency Lighting Battery — Compatible with Dual-Lite 12537

Replace your Dual-Lite 12537 with confidence using this compatible replacement battery that meets or exceeds OEM SLA specifications. Engineered for dependable backup power and designed with AGM technology, the Dual-Lite 12537 replacement battery is a high-performance battery solution that combines safety, ease of installation, and long-lasting battery life for critical emergency systems.

Key Specifications

  • Compatible Model: Dual-Lite 12537
  • Battery Type: Sealed Lead Acid (SLA)
  • Construction: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free
  • Safety: Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Voltage: 12 Volts
  • Capacity: 26 Ah
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek
  • Meets or exceeds OEM SLA battery specifications

Benefits

This Dual-Lite 12537 replacement battery provides strong durability and reliable performance for emergency lighting and related systems. The AGM design offers safe, spill-proof operation and improved cycle life compared with flooded designs. As a long-lasting battery, it minimizes downtime and maintenance, giving building managers and technicians a dependable source of backup power when outages occur.

The sealed, maintenance-free construction eliminates the need to add water or monitor electrolyte levels, while U.L. and CE certifications demonstrate adherence to recognized safety and performance standards. Nut & bolt terminals provide a solid electrical and mechanical connection for retrofit and original equipment applications.

In addition to the listed uses—emergency lighting, security alarms, fire alarms, and medical equipment—this high-performance battery is suitable for UPS systems, emergency power supplies, and tools compatible with SLA batteries. Its brand-new status and one-year warranty protect your investment and help ensure continuity of critical systems.

Restore reliable backup power now — purchase the Dual-Lite 12537 replacement battery today. In-stock orders typically ship within 24 hours. Buy this high-performance, long-lasting replacement battery to keep your systems protected.


Payment & Security

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