For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
Brightway Group  |  SKU: BW-10915

Astralite 20-0002 High Performance Replacement Battery By Bright Way

Sale price $9.44 USD Regular price $10.97
Shipping calculated at checkout.

➤ High-performance 6V, 4.5Ah battery for reliable emergency power

➤ Compatible specifically with Astralite 20-0002 emergency lights

➤ F1 terminal design allows for quick and easy installation

➤ Consistent power output ensures your light stays operational during outages

➤ Manufactured by Bright Way, a trusted name in battery quality


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

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.
POST YOUR IMAGE

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 | 5 AH

Terminal Type

F1

Bright Way 6V 4.5Ah Replacement Battery — Compatible with Astralite 20-0002

Keep your Astralite 20-0002 emergency light ready with this reliable Bright Way replacement battery. Designed for consistent performance and ease of installation, this high-performance battery provides the dependable power needed during outages and critical moments. Whether you’re maintaining building safety systems or replacing an aging cell, this long-lasting battery delivers steady 6V output and reliable runtime so your emergency lighting performs when it matters most.

Key Specifications

  • Brand: Bright Way
  • Compatible Model: Astralite 20-0002
  • Voltage: 6 volts
  • Capacity: 4.5 amp hours (4.5Ah)
  • Terminal Type: F1

Benefits

This Bright Way replacement battery offers durability and dependable performance for emergency lighting systems. Built to provide consistent 6V power, it reduces the risk of premature failure and supports stable illumination during power interruptions. The F1 terminal design ensures quick, secure installation for maintenance personnel and facility managers, minimizing downtime. As a high-performance battery, it is optimized for repeated charge/discharge cycles and robust enough for regular emergency use. Its long-lasting battery chemistry helps extend service intervals, lowering total cost of ownership for commercial, industrial, and residential applications.

Typical applications include sealed emergency fixtures, exit signs, emergency light heads, and backup lighting modules. It is also suitable for small-scale backup tasks where a compact, dependable power source is required. Use this battery in safety-critical environments such as hallways, stairwells, and exit routes where consistent illumination is essential. The Bright Way brand evokes reliability, making it an ideal choice for building managers, electricians, and service technicians who need a trustworthy replacement battery for Astralite 20-0002 units.

This replacement battery stands out as a high-performance battery that balances capacity and compact size, ensuring your emergency lighting system remains fully functional without requiring major system changes. Its straightforward fit and proven chemistry make it a go-to option when upgrading or restoring emergency power solutions.

Ready to restore reliable emergency lighting? Purchase this Bright Way Astralite 20-0002 replacement battery now to ensure continuous, long-lasting battery backup and peace of mind.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.