walmart led tube lights 1, LED Tube T8 18W home lighting ... ,CE RoHs 4,2years warranty t8 led red tube animals walmart led tube lights 1. LED type: SMD3528 Size:26*28 ... ballast, the measured input power is 42.4w, that is, iron-core inductor loss 6.4w efficiency is reduced to 85 ... %, most of the domestic iron-core inductor power 10w more than the power factor of ...