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  1. Technical Model Train Forum
    Both my DT402D throttle and the DSO138 scope can use a 9 v source, but 9 volts just is not an easy voltage to achieve with today's batteries. I have an 8 pack of 1.2 volt AA cells but they are a pain in the neck to recharge since I can only do 4 at a time. I have some 8.6 volt...
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