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Brightway Group  |  SKU: BW-11005

Big Beam 2SD12S15 High Performance Replacement Battery By Bright Way 11.56 lb

13% off
Sale price $55.99 USD Regular price $63.99
Shipping calculated at checkout.
12 Volt, 18 Amp hour capacity for dependable energy
Long-lasting power ensures extended emergency light operation
NB terminal design provides secure and stable connections
Made with high-quality materials for durability and reliability
Perfect replacement for Big Beam 2SD12S15 emergency light systems
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

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Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

Bright Way 12V 18Ah Replacement Battery for Big Beam 2SD12S15

The Bright Way 12V 18Ah replacement battery is engineered to provide dependable compatibility, superior performance, and trusted reliability for your Big Beam 2SD12S15 emergency lighting system. Designed specifically for emergency light applications, this high-performance battery delivers the steady, long-running power you need when the lights go out. If you need a long-lasting battery that fits your Big Beam 2SD12S15 precisely, this Bright Way unit is built to keep your system operational during outages and everyday use.

Key Specifications

  • Compatible Model: Big Beam 2SD12S15
  • Brand: Bright Way
  • Voltage: 12 Volt
  • Capacity: 18 Amp hour (18 Ah)
  • Terminal Type: NB terminal (Nut & Bolt)

Benefits

This Bright Way replacement battery focuses on durability and reliable performance. Constructed from quality materials, it resists premature wear and delivers consistent output over many charge cycles, making it a long-lasting battery option for critical systems. As a high-performance battery designed for emergency lighting, it supports sustained discharge profiles required by exit signs, emergency fixtures, and similar devices. The NB (nut & bolt) terminal ensures secure, vibration-resistant connections for installations where a solid electrical contact matters.

Typical applications include emergency lights, exit signage, building safety systems, and backup lighting assemblies. It also serves well in other standby roles where a dependable 12V, 18Ah supply is required. Whether you’re a building manager, electrician, or facilities technician, this replacement battery helps maintain continuous operation during power interruptions and reduces the need for frequent swaps thanks to its reliable chemistry and robust construction.

Installation is straightforward for systems designed around NB terminals, and the exact fit for the Big Beam 2SD12S15 minimizes installation time and eliminates compatibility guessing. Choose this Bright Way unit when you want a replacement battery that blends long life, dependable performance, and a perfect fit for your emergency lighting needs.

Ready to upgrade your Big Beam 2SD12S15? Purchase this Bright Way high-performance battery now to ensure uninterrupted emergency lighting and peace of mind.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Length (in.)7.13
Width (in.)2.99
Height (in.)6.57
Weight (lb.)11.55

Product Highlights

  • Brand Replacement : Big Beam 2SD12S15
  • Manufacturer: Brightway Group
  • Product Type: Emergency Power
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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