1.5 charge per tick, so 9000 charges per hour for a t90 weapon. Costs 3 divine charges, which is a bit over 110k if made using incandescent energy.
E: Does anyone know how much XP you get if you disassemble an augmented item compared to using an equipment siphon on it? Is it double xp for disassembling the whole thing compared to just using a siphon?