Select products now available online for purchase  

  • buy now and order online from BT Direct
    Last shipment before holiday break is Dec 23th.  Orders recieved after that will be shipped by Jan 6th 

     Happy Holidays! 

  • Over 1 Million
    Batteries 
    Built in the USA

    We build mission critical solutions right here in the USA, engineered to your specifications and tested to exacting military standards.

  • military to the core

    40 years as a preferred supplier

    We know what it takes to keep your equipment powered up under almost any conditions.

  • upgrade your
    charger software
    to the latest version here 

     

     

     

  • one-stop shopping

    custom solutions

    With design, prototyping, testing, and manufacturing all under one roof, we’re your partner through every stage of the development cycle.

  • battle tested
    proven designs, ready for integration

    Chances are there’s a solution among our more than 80 products good to go for your application.

Batteries

Batteries

State of the art rechargeable and primary batteries keep you powered up in the most extreme conditions.

Chargers

Smart chargers tune their outputs to the batteries they charge, automatically.

Systems

Complete battery/charger systems, diesel generator replacements, and more.

Bren-Tronics In Action

    1
    • BT Number
      BT-70747BG
    • Military Number
      BB-2847A/U
    • Chemistry
      Lithium Ion
  • 1
  • BB-2590/U 7.5 Ah Rechargeable Lithium-Ion Battery

    Rechargeable Lithium-Ion battery

    When the best robots in the world need power, they look to the best batteries …the Bren-Tronics, Inc. BB-2590/U battery. Providing power for all the extreme needs seen by warfighters and first responders the world over.

    • BT Number
      BT-70791CK
    • Military Number
      BB-2590/U
    • Chemistry
      Li-Ion
    • NSN
      6140-01-490-4316
  • 1
  • Rechargeable Lithium-Ion battery

    Powering one of the world’s most widely used Handheld Thermal Imagers, the BT-70492BK battery provides cutting edge technology in a precise package.

    • BT Number
      BT-70492BK
    • Chemistry
      Lithium Ion
  • 1
  • 7.5 Ah 12/24V Rechargeable Lithium-Ion Battery

    Rechargeable Lithium-Ion battery

    When the best robots in the world need power, they look to the best batteries …the Bren-Tronics, Inc. BB-2590/U battery. Providing power for all the extreme needs seen by warfighters and first responders the world over.

    • BT Number
      BT-2590CK
    • Chemistry
      Lithium Ion

Bt-Direct (USA Sales Only)

Shop Bren-Tronics Online

"Buy American" Directly from Bren-Tronic's factory in Commack, NY.
 

Resources + Support

Prototyping

Our rapid prototyping capabilities help you quickly engineer the right solution for your power needs.

Research + Development

From initial design through prototyping, testing, evaluation, and manufacturing, our systems are designed, tested and built for mission critical applications, where failure is not an option.

Custom Solutions

We have designed and manufactured custom products for military, major Original Equipment Manufacturers (OEM’s), and small businesses worldwide. Contact us to get started on your custom solution today.