“What voltage is safe to charge with? Says 1.5A but does volt/watt matter? Plan to charge these with an adapter”

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• the batteries in headphones are not smart batteries so just follow what the instructions say or go less. anything higher might fry the battery

  Answered by Jake 4 years ago

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• Hi Rich, Voltage must be 5V DC (i.e., any standard phone charger or computer USB port). Any Amperage will work, but 1500mA or higher is recommended. Thanks, Ralph

  Answered by SonyListens 5 years ago

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