[Q] Marshmallow ROM without battery drain

I've tried Bliss and Temasek's CM 13 with a few kernels and I always have this constant battery drain which makes sure my tablet is dead by evening, every day, no matter how little I use it. Does anybody know a ROM + kernel combination that doesn't have this constant excessive battery drain?

If it makes a difference, I have a K1, and I don't use GApps.

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