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-10890

Douglas Battery Guardian DG6-4E High Performance Compatible Replacement Battery By Bright Way

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

➤ Reliable 6-volt power supply for consistent emergency light operation

➤ 4.5 amp-hour capacity ensures long-lasting backup power

➤ Equipped with F1 terminal for quick and easy installation

➤ Designed specifically for Douglas Battery Guardian DG6-4E compatibility

➤ Guarantees dependable performance when you need it most


📦🚀 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 Replacement Battery for Douglas Battery Guardian DG6-4E

Keep your Douglas Battery Guardian DG6-4E emergency light ready with this Bright Way replacement battery engineered for consistent performance and dependable reliability. Designed specifically as a direct fit for the DG6-4E, this high-performance battery supplies steady 6-volt power and is built for dependable emergency operation. Whether you need a long-lasting battery to maintain readiness in corridors, stairwells, or exit signage, this Bright Way unit gives you peace of mind and hassle-free installation.

Key Specifications

  • Compatible Model: Douglas Battery Guardian DG6-4E
  • Voltage: 6 volts
  • Capacity: 4.5 amp-hours (Ah)
  • Terminal Type: F1 terminal
  • Brand: Bright Way

Benefits

  • Durability: Constructed to withstand regular charge/discharge cycles for emergency lighting systems, this replacement battery delivers stable chemistry performance to help extend operational life.
  • Long Life: The 4.5Ah capacity provides extended runtime compared to lower-capacity cells, making it a reliable long-lasting battery option for standby systems that must remain ready for extended periods.
  • High Performance: Engineered for emergency applications, this high-performance battery delivers dependable voltage under load, ensuring your Douglas Battery Guardian DG6-4E illuminates consistently during power interruptions.
  • Easy Installation: The F1 terminal simplifies installation and replacement, reducing downtime during routine maintenance or swap-outs in commercial or residential emergency lighting fixtures.
  • Typical Applications: Ideal for emergency lights, exit signs, building safety systems, and similar standby devices. It also works well in small UPS setups and emergency power applications where compact 6V solutions are required.
  • OEM Compatibility: Designed to meet fit and function expectations for the DG6-4E model, providing a direct replacement without modification.

Choose this Bright Way replacement battery as a cost-effective, long-lasting battery solution to restore or maintain the readiness of your Douglas Battery Guardian DG6-4E emergency light. Order now to keep your emergency lighting system performing reliably when it matters most.


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.