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Koolulu Tens Promise- LT Warranty Registration


Koolulu Tens Promise- LT Warranty Registration

Tens Warranty

Product Description



Please read below to see our full Warranty Policy.

If you need to return or replace a unit, please email us at to obtain authorization. provides our consumers with a Manufacturer Limited Lifetime Warranty on all of our TENS  devices which is valid in the USA and Canada. The warranty states that: A limited lifetime warranty is a warranty against defects in materials and workmanship of our units that has no time limit to make a claim, rather than a warranty that the product will perform for the lifetime of the buyer. warranty doesn’t cover damage caused by misuse, abuse, accident, normal wear, industrial use or neglect or the attachment of any unauthorized accessory, alteration to the product, or any other conditions whatsoever that are beyond the control of This warranty is effective only if purchased and operated in the USA.  A product that requires modification or adaptation to enable it to operate in any country other than the country for which it was designed, manufactured, approved and/or authorized, or repair of products damaged by these modifications is not covered under warranty.  This TENS Massager . 8,12 or 16 mode unit shall not be responsible for any type of incidental, consequential or special damages.

How is the unit replaced?

New version will be replaced if the old version is discontinued.

Due to the manufacturer’s defect, free replacement of a new control unit is provided.

If it is not due to the manufacturer’s defect, you can buy a new unit or upgrade unit for a discounted price.


Our TENS units are covered by a limited lifetime warranty due to manufacturer’s defect warranty. Products purchased at our company are exchangeable but not refundable.

*****Federal and State laws prohibit the return of any personal care item for reason of hygiene*****

Technical Support and Customer Service are available. 

Monday- Friday 10:00 am-5:00pm Central Standard Time USA

Our office is closed on weekends and holidays.

Toll free: 1877-331-8417



Obtaining warranty service is easy. Please select this warranty item in to your shopping cart. The cost will be zero. Complete purchase and receive a order # at the end of your transaction.

Steps to Replacing Your Device with the Limited Lifetime Manufacturer Warranty:

How to contact us for trouble shooting before replacement?

If you are having operating issues with your device, please contact 877-331-8417  to speak with a friendly customer service representative, who will walk you through some steps of operation or trouble shooting steps.  If it is determined that warranty service is necessary you can send in the non-working device to  Koolulu at the address below:

Service Department

1501 10th St Suite 100

Plano Tx 75074

Please include the following items with your return, please make sure you have authorized the return with Customer Service before returning.

  • Defective unit and/or wire connector.
  • Copy of your receipt showing the date, vendor, and amount paid or order ID #.
  • A brief note describing the reason for return.
  • Return shipping address, phone number and email address.
  • We double check each order before shipping and make sure unit is functional. If you receive a damaged unit, please inform us immediately so that we can file a claim with our carriers.

When a defect arises and a valid claim is received, a new unit will be sent to you if it is not salvageable. If the old model was discontinued, a new unit with equivalent value or more will be sent to you.

How is the malfunctioning unit replaced if it is a valid claim?

  • If we find that your issue is due to the manufacturer’s defect, free replacement of a new control unit will be provided. A new unit with equivalent value or more will be replaced if the old version happens discontinued.
  • If it is worn out or damaged by yourself, you can buy a new unit or an upgrade unit for a discounted price. 


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