This is the "circuit board" and "battery" taken from a defective DV-PW1040 with a disc reading error. * Pickup + flexible cable and back cover are not included. ■ Battery Operation Check Confirmed that it can play for "4 hours and 20 minutes" in a DVD playback test. ("Brightness: 00", "Volume: 11") * It may vary depending on the playback environment (brightness, volume, etc.). The time from playback stop to full charge was "about 3 and a half hours." Battery Rating: 7.4V 2700mAh ■ Operation Check (Confirmed by connecting the LCD panel) ・ LCD display, audio OK ・ Remote control operation OK (setting changes, disc operation) ・ Main unit button operation OK ・ Battery charging confirmed OK However, capacity not confirmed ・ Battery operation (short time) OK ・ Confirmed operation without battery connected ・ Battery voltage check (see image) ・ DVD playback not possible ・ CD playback (sometimes does not play) ・ Abnormal noise when the pickup is operating * Other items not confirmed. * Pickup + flexible cable and back cover are not included. ■ Notes ・ Please understand that this is a used item before purchasing. ・ Please refrain from purchasing if you are sensitive to used items. - Model Name: DV-PW1040 - Size: 10.1 inches Dainichi With Portable DVD DVD player Lithium-ion