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800-346-0601 FL * 800-490-8418 CA * 800-423-3701 SC * 407-340-6886 SOUTH EAST


Payment Methods : We accept Visa, MasterCard, Amex, Discover, or ACH payments drawn on US funds and wire transfers. 

Alaska, Hawaii and Canada customers may have additional freight charges. Canadian customers will need to email or call us for your shipping costs. 

All orders over 50 lbs may have additional freight charges.  Freight calculated on the site assumes product will ship from the closest warehouse; however, if we do not have stock in that location we will contact you if the calculation of freight on the website differs from the actual cost.  

Looking for Net 30 terms? You will need to call us and get set up with our accounting department. Please provide us with your credit references or fill out our credit application.


Customers in the states of CA, FL, NC & SC not required to pay sales tax must provide us with their tax resale number.

Customers wanting to ship on their UPS or Fed Ex account must provide us their account number, we will credit back or not collect on your shipping costs that the web site shows.

If your credit card is from outside the United States or Canada, we do not accept payment with it.



All Lithium Batteries shipping by AIR must ship Class 9 Hazardous Dangerous Goods. There will be additional HAZMAT fee of $60. We will call you for your payment. We have a cut off time of 2:30 PM. Please be aware that FedEx does not guarantee delivery of expedited hazmat shipments. Lithium Batteries are considered dangerous goods, Class 9. Our shipping department employees are licensed and trained to package and label all boxes according to IATA Dangerous Goods Regulations. The U.S. Postal Service does not allow any mailing of Lithium Batteries.


Returning a Product

All returns are subject to a 15% restocking fee. We do not credit the outgoing shipping cost or any return shipping cost that you pay. Merchandise returned for credit should be in a resalable condition within 30 days of purchase.

If you need to return a product, follow these simple instructions:

Call TNR Technical at (800)-346-0601, and provide the following information:

  • Order number
  • Name and address
  • Quantity being returned
  • Reason for the return

We will issue you a return authorization number to be included in the box or on the outside of the box. Please package all returns carefully so that batteries are not damaged or shorted out.

2. When you receive the Return Authorization Number:

  1. Write the Return Authorization Number on the return label.
  2. Attach the return label to the outside of the shipping box.