Появилась необходимость в покупке источника питания и тестера. Подскажите на какие харакатеристики обратить внимание? Источник требуется в основном для заряда акков и для резки пенопласта и пеноплекса. А тестер требуется для проверки заряда акков, проверки работы эл. движка и т.д.
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