Optoma PK320 Pico LED Projector – Warranty Posted on October 23, 2013 By Art Feierman 1. Optoma PK320 Pico LED Projector – Warranty The Optoma PK320 comes with the typical 1 year limited parts and labor warranty. The battery warranty is 90 days. One year is pretty much standard for pico projectors, although there are a few lower cost ones with 90 day warranties. 1. Optoma PK320 Pico LED Projector – Warranty LnRiLWhlYWRpbmcuaGFzLWJhY2tncm91bmR7cGFkZGluZzowfQ==