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Brightway Group  |  SKU: BW-11118

Big Beam 2IQ12S15 High Performance Replacement Battery By Bright Way

Sale price $51.73 USD Regular price $60.13
Shipping calculated at checkout.

➤ 18 amp hours capacity for long-lasting emergency power

➤ Reliable 12-volt output to keep lights operational

➤ Durable construction for extended battery life

➤ Perfect fit for Big Beam 2IQ12S15 emergency lighting

➤ Easy installation with included nut and bolt connectors


📦🚀 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 | 18 Ah

Terminal Type

Nut & Bolt

Bright Way Replacement Battery for Big Beam 2IQ12S15

Restore or upgrade the backup power capability of your Big Beam 2IQ12S15 emergency lighting with this Bright Way replacement battery. Designed for compatibility and sustained performance, this replacement battery provides robust power for extended run times and reliable operation during outages. Ideal for emergency lighting systems that demand high capacity and dependable service, the Bright Way unit offers the confidence needed for safety-critical applications.

Key Specifications

  • Model Compatibility: Big Beam 2IQ12S15
  • Brand: Bright Way
  • Alternate/Group Listing: Brightway Group (as listed)
  • Voltage: 12V
  • Capacity: 18Ah (amp hours)
  • Terminal Type: Nut & Bolt

Benefits

This Bright Way high-performance battery offers substantial capacity and durability, making it a strong choice for applications requiring extended emergency run time. As a long-lasting battery tailored to the Big Beam 2IQ12S15, it provides steady, reliable discharge and maintains reserve power for longer events, reducing the risk of premature failure during an outage. The robust construction supports repeated charge/discharge cycles and helps resist degradation over time.

Typical applications include emergency lighting banks, large exit and corridor lighting systems, emergency power for building safety circuits, small UPS systems, and backup for critical maintenance tools that require extended runtime. The nut & bolt terminal type ensures a secure, vibration-resistant connection that is ideal for fixed installations where a reliable mechanical and electrical bond is essential. Maintenance technicians will value the secure mounting and the confidence that comes with a purpose-built replacement battery.

Whether renovating an older emergency system or replacing end-of-life batteries during routine maintenance, this Bright Way replacement battery delivers the long-lasting performance and high capacity necessary to meet safety requirements. Its 18Ah capacity at 12V is optimized for systems that need extended operation and dependable standby power.

Keep your Big Beam 2IQ12S15 emergency lighting operational and protected—purchase this Bright Way replacement battery today to ensure extended, reliable emergency power when it’s needed most.


Payment & Security

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