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Brightway Group  |  SKU: BW-10881

Big Beam E4XL Compatible Replacement Battery By Bright Way

Sale price $123.31 USD Regular price $143.35
Shipping calculated at checkout.

➤ Reliable 12-volt power for consistent emergency lighting

➤ High 35 amp-hour capacity ensures long-lasting performance

➤ NB terminal configuration for easy and secure installation

➤ Specifically optimized for Big Beam E4XL models

➤ Durable design suitable for home, office, and industrial use


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Big Beam E4XL Replacement Battery — Compatible with Big Beam E4XL

Upgrade your Big Beam E4XL emergency lighting with this Bright Way replacement battery engineered for dependable power, consistent performance, and reliable operation. Specifically optimized for the Big Beam E4XL, this high-performance battery delivers a substantial 35 Amp Hour capacity at 12 Volts, making it an exceptional long-lasting battery option for larger emergency lighting applications and extended runtime demands.

Key Specifications

  • Voltage: 12 Volts
  • Capacity: 35 Amp Hours
  • Terminal: NB (Nut & Bolt)
  • Brand: Bright Way (Brightway Group)
  • Compatible Model: Big Beam E4XL

Benefits

This Bright Way replacement battery for the Big Beam E4XL is engineered for longevity and consistent power delivery. As a high-performance battery, it supports extended run times and reliable illumination during outages, testing, or prolonged emergency events. The 12 Volt, 35 Amp Hour specification makes it especially suitable for larger fixtures, multiple lamp arrays, or systems requiring higher reserve capacity.

Durability is a standout benefit: robust construction and reliable terminal hardware (NB, nut & bolt) ensure secure connections and consistent performance under load. These attributes help reduce maintenance cycles and replacement frequency, delivering a true long-lasting battery solution that helps lower total cost of ownership. Whether installed in commercial, industrial, or institutional facilities, this battery helps maintain emergency lighting readiness.

Typical applications include large emergency lighting assemblies, central battery systems, extended runtime exit lighting, and other emergency power solutions where substantial capacity is required. The Bright Way (Brightway Group) design focuses on dependable, maintenance-friendly operation, making it simple to integrate as a direct replacement for the Big Beam E4XL.

Choose this replacement battery to ensure your Big Beam E4XL remains a reliable component of your emergency preparedness plan. Purchase this high-performance, long-lasting battery today to secure extended, trouble-free emergency lighting performance.


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