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SigmasTek  |  SKU: BW-13901

Alexander GB665 High Performance Replacement Battery 2.76 lb

15% off
Sale price $22.99 USD Regular price $26.99
Shipping calculated at checkout.
Absorbent Glass Mat (AGM) technology for enhanced performance
Maintenance-free and spill-proof design for worry-free use
U.L. recognized and CE certified for safety and reliability
Brand new, factory fresh to ensure optimal battery life
1-year warranty for guaranteed peace of mind
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Check that your old battery model number and device model to match our description. This makes sure they work together.


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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.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

6 Volts | 7 AH

Terminal Type

F1

Alexander GB665 Replacement Battery — Compatible with Alexander GB665

The Alexander GB665 replacement battery is a dependable, maintenance-free solution that matches or exceeds the original GB665 specifications. Engineered with Absorbent Glass Mat (AGM) technology and a spill-proof design, this battery delivers consistent, reliable power for critical and everyday applications. Whether you need a replacement battery for UPS backups, safety systems, or portable equipment, the GB665 offers a balance of performance, durability, and safety.

Key Specifications

  • Model: Alexander GB665
  • Brand: SigmasTek
  • Voltage: 6 Volts
  • Capacity: 7 AH
  • Terminal: F1
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

Expect long life and dependable operation from the Alexander GB665 replacement battery. As a long-lasting battery, its AGM construction reduces internal resistance and improves cycle life, giving you sustained performance for backup systems and portable devices. This high-performance battery supports UPS units, emergency lighting, security alarms, and small motorized equipment that rely on a steady 6V power source.

The maintenance-free, spill-proof design makes installation and upkeep simple and safe, while U.L. and CE certifications confirm adherence to rigorous safety standards. Delivered brand new and factory fresh, the GB665 replacement battery is ready to go into service with a full 1 Year Warranty to protect your purchase. The F1 terminal ensures secure connectivity for fast replacement and reliable operation.

Ready to upgrade? Order your Alexander GB665 replacement battery today to restore performance and ensure reliable backup power. Click to buy this high-performance battery now and enjoy dependable, long-lasting battery life backed by a 1 Year Warranty.

Technical Specifications

Voltage6 Volts
Amp Hours7 AH
Terminal TypeF1
Length (in.)5.95
Width (in.)1.34
Height (in.)3.7
Weight (lb.)2.76

Product Highlights

  • Brand Replacement : Alexander GB665 Battery
  • Manufacturer: SigmasTek
  • Product Type: SLA Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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