Nice job! Is it easy to change the atty?
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SS GGTS #308 & #1028, UFS, Megalodon, Xhaler, SuperTanker
Actually I just need to unscrew it out. I only need to turn it twice and the spring will push the positive contact to the atty. The nut is to help hold down the atty. And because the atty is recessed into the casing, the casing itself acts as a holder.