Tips for buying the best tens unit
Many people live with acute pain that inhibits them from leading a normal life or doing the things they desire. The sharp and chronic pain can be devastating depending on the underlying condition that provokes it. This pain could be persistent despite visiting physical therapists and subjecting to various medication. If you have such pain, it would be a relief to know that the same can be cured or curbed by the engagement of a form of physical therapy called TENS.
According to the source, transcutaneous electrical nerve stimulation (TENS) is a form of non-invasive 
therapy that is premised on the use of low voltage electrical current. This therapy is used to attain various results including reduction of inflammation, pain relief and enhancement of circulation among others. A TENS unit can be described as a portable, simple and convenient device that stimulates your nerve endings. The stimulation received is dependent on the frequency of electric wavelengths that are released. These frequencies are adjustable, and therefore you are in a position to control them effectively.
The effectiveness of this mechanism is dependent on the type of your TENS unit and therefore you ought to be vigilant of the product that you purchase. The buying tips are highlighted as follows;
The electrode pads
It is prudent to inquire about the life expectancy of the electrode pads because sooner or later the original ones will wear out. You should be guaranteed that the electrode pads will last for months before replacement.
Battery life
It is widely recommended that you settle for a TENS unit that you settle for a high-quality lithium battery which has been endorsed for lasting up to a month before recharging. Such a product will ensure that you are inhibited from the inconvenience of charging constantly and the costs that are accrued therein. Quality batteries will save you a lot of money and time.
The power of the unit
The power produced by a machine is tantamount to its effectiveness. It is recommended that the power levels of the TENS unit are intense to optimum levels. Extreme power is dangerous and can cause more harm than good. It is noteworthy that the power levels differ depending on each individual. Also, every body part requires a different degree of power due to sensitivity differences and therefore you ought to purchase a TENS unit that has a broad range of power levels.
Warranty
A long-term warranty cover for a TENS unit is an indication that the seller is content with its quality and durability. A supplier that shies away from the commitment of such a cover can be rendered as untrustworthy and unreliable.
