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The 21 powder coated mods will kickstart the dna75/18650 mod. I'm thinking I should just redesign it for ultem out of the gate (the only change needed would be an integrated negative contact/510/board connection assembly. Voltage drop is a big deal on the 75 if you are looking for any sort of battery life. Evolv says coil spring contacts are a big no go.[/QUOTE]
my humble opinion is yes, go for the ultem.
The 21 powder coated mods will kickstart the dna75/18650 mod. I'm thinking I should just redesign it for ultem out of the gate (the only change needed would be an integrated negative contact/510/board connection assembly. Voltage drop is a big deal on the 75 if you are looking for any sort of battery life. Evolv says coil spring contacts are a big no go.[/QUOTE]
my humble opinion is yes, go for the ultem.