Battery replacement service forTria Beauty 4X LHR 4.0 3.0 THR-25 Hair System Hair Removal Laser Home Use Devices with Manufacture Date 2010 to PresentDiagnosis, but no repair work, is included in this serviceTHIS LISTING IS FOR A BATTERY AND ITS REPLACEMENT SERVICE. YOU ARE NOT BUYING A TRIA LASER UNIT.This service includes disassembly, replacement of old batteries with new batteries and reassembly.You send us your Tria with worn or dead battery. We will replace the battery for your Tria to work as new and will ship it to you.When you click the Buy it Now button, we will send you the address where to to ship your unit and charger. Once we receive it, we will install a brand new battery pack and ship the laser back to you within 24 hours.*Tria laser hair removal units have batteries that are not user replaceable. Attempts to replace them by unqualified personnel may damage the unit or the batteries.This is a precision engineering service. All replacement batteries are tested to meet or exceed Tria specifications.PLEASE NOTICE: TRIA LASER UNITS REQUIRE VERY SPECIAL BATTERIES. Using ordinary batteries that do not meet Tria specifications will result in operation at a lower power and efficacy or failure to operate. There are batteries of Chinese origin that we know DO NOT meet specification.90 day warranty.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. 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 Canada select expedited shipping.Seller advertising for a few dollars less is not original precision service.