ENO EVC-1 Guitar Effect Power Supply Voltage Converter USB Booster 5V to 9V Used with Power Bank as Step Up Converter for 9V Guitar Effects

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Features: Mini USB booster, convenient to carry; easy to use, plug and play. Input: 5V, USB A male; output: 9V, 5.5mm DC connector; max. current: 100mA. Synchronous rectification, the conversion rate is up to 85%, lower heat and long working time. Designed to use with DC 5V output capacity power bank as step up voltage regulator. With USB booster voltage converter, you can power your 9V guitar effects via power bank.