We have inspected your 3DS XL unit. There are problems with the AC Adapter and the battery electronics in the system. This repair requires the battery to be replaced as well as the AC adapter to repair the charging problem with the unit. The total cost for repair, replacement battery, cleaning the unit, new AC Adapter, with free return shipping is $64.95. That includes a 90 day warranty on the parts and repair. As an alternative we can simply return back your unit to you and the inspection fee and return shipping is $26.95. Please make payment below to proceed.