- It is a perfect backup ac power adapter with 7 DC voltages, including DC 5Volt, 6Volt, 7.5Volt, 9Volt, 12Volt, 13.5Volt, 15Volt. You can easily convert to different voltages by using the provided keys, which can provide power for 98.5% of household electronics - Come with 11 selectable DC plugs, including Micro USB plug, compatible with 5-15V household electronic devices, such as routers, speakers, LED strip lights, Christmas village decoration and more - - This power adapter is a perfect emergency standby replacement AC adapter. Max. output power is 45W. Perfectly replace for 24W (12V 2A), 30W (15V 2A), 45W (15V 3A) AC/DC adapters and more. It is a good helper to save money and space - (+), (-). Recommended you order a Basicvolt Polarity Reverse Cable with it if your device is inner negative(-). Searching ASIN=B08FZL683K to find the Basicvolt Polarity Reverse Cable. AC I