Our Process

See Our Custom Battery Manufacturer Process

TNR Technical, Inc.'s process
Our TNR Battery Specialists design custom battery packs that can improve your product.

Our custom battery assembly process gives you access to the quality products our clients have relied on for over three decades. The production process begins with you discussing your battery needs with a member of our experienced Battery Specialist staff. This includes finding solutions to any specific power challenges you face, including climate, frequency of use and any other variables that impacts battery pack performance.

Our team then works with you to get the specs or drawings for the exact battery pack you need. When you consult with one of our team members, you are working with specialists who combine decades of battery assembly experience with the technical expertise of our manufacturers to create a solution that will ensure your products perform at their best.


Our custom battery assembly process gives you access to the quality products our clients have relied on for over three decades.

Custom Battery Pack Manufacturing, High-Volt Value

Our custom battery pack assembly process continues as our Battery Specialists deliver your battery specs and drawings to our production department.

We then assemble all the components needed to produce your order, including all battery chemistries:

  • Lithium primary cells
  • Nickel cadmium
  • Nickel metal hydride
  • Sealed lead acid
  • Alkaline

See How Our Service Complements Our Battery Manufacturing Process

We support our exceptional battery assembly process with the convenient service you would expect from an experienced company with such distinguished clients. We feature climate-controlled storage facilities on both the East and West Coast, guaranteeing you get the freshest products with fast, affordable shipping. We offer blanket orders, Just In Time (JIT) shipping, drop shipping and international shipping, giving you the ability to control when and where your orders arrive.

Best Battery Brands for the Best Battery Packs

As part of our dedication to giving you the best product at the lowest price, our team at TNR Technical uses the name brand components that give you the longest, most reliable performance. We are an authorized dealer for most of the premier battery manufacturers:

  • ARTS Energy
  • CSB Battery
  • Duracell
  • Energizer
  • EnerSys
  • Hawker
  • Maxell
  • Odyssey
  • Powersonic
  • Panasonic
  • Renata
  • Saft
  • FDK
  • Tadiran
  • Varta
  • Ultralife

Our battery packs are assembled right here in the U.S., ensuring you get reliable quality and the freshest batteries possible. To learn more about how you can get the most out of your battery order, get our free whitepaper that reveals the secrets to long-lasting batteries.