I always wanted to have luminators that i can switch on/off, so i installed mcp and eclipse and modified the TileEntityLuminator to have an internal storage of 32 EU instead of 10k EU.
Result: The luminator will remain switched on without energy for about 10 seconds instead of 2 days.
I will try to keep this up to date with the latest version of ic2.
Downloads (modifieds IC2.jar files, just use it instead of the normal ic2.jar):
Build #401 for minecraft 1.6.2: Download
Build #231 for minecraft 1.4.7: Download
PS: I'm not posting this on the addon section because this is just a modified ic2.jar, not an addon..