Battery replacement service forTria Age Defying Laser Home Use Device THIS LISTING IS FOR A BATTERY AND ITS REPLACEMENT SERVICE. YOU ARE NOT BUYING a Tria Age Defying LASER UNIT* We will replace your Tria Age Defying batteries. This service includes disassembly, replacement of old battery with new battery and reassembly.Tria Precision has batteries that are not user replaceable. Attempts to replace them by unqualified personnel without the right tools can damage the unit and the battery.We will replace the battery for your Tria Precision to work as new and will ship it to you. We will email you the address for shipment.When you click the Buy it Now option, we will send you the address to ship your unit to. Once we receive it, we will install a brand-new battery and ship the laser back to you within 48 hours.**This is a precision engineering service. All replacement batteries are tested to exceed Tria specifications.Included in the price is a basic diagnostics service that will tell you if anything else is wrong. The cost of full diagnostics is $29.99. If you buy full diagnostics we will tell you exactly what part failed and the cost of the part. Full diagnostics also include all the labor to replace the part. If you suspect that something else apart from the battery may be wrong and expect repairs full diagnostics is best and also cheaper if anything needs to be replaced and repaired.If you need it simply select expedited Priority shipping at checkout. *If you are interested in buying the actual unit, we also stock the Tria units, new and open box. Prices vary please inquire.**We will notify you if longer due to special circumstances. We are closed during August. There is no deadline for you to ship your Tria, we have put an arbitrary 30 day shipping back to you to allow for your delay.For shipping to Hawai and Puerto Rico select Priority air Seller advertising same service for the cheapest price is not the original, qualified precision service.