EXTRACTME オートバイ USB充電器 6.8A クイックチャージ 3.0 デュアル USB オートバイ電話充電器 電圧計&オン/オフスイッチ付き 防水 クイックディスコネクトSAE to USBアダプター 電話/タブレット/GPS用 - ブルー

I've picked up a couple of these to add USB to a couple motorcycles. They work fine and provide a lot of power. They are reasonably easy to install. That said, the 12 volt pigtail designed to go on the battery is backwards. The positive terminal is attached to the exposed side of the plug. Any other one I've ever seen is the opposite, to ensure the positive won't be able to short on the frame. The product does include an adapter to change the polarity if an existing, properly wired pigtail is in place and the included pigtail does contain a fused link that will theoretically blow if a short occurs. Long story short, with the fused link it's probably safe. If it shorts the link should blow. In my instance I had good pigtails on the bike all ready and used the supplied adapter.

On list to install after Xmas. Looks easy to install

Super fast delivery and work's like a charm with all the additional hardware included. The best thing that I really like it is the volt meter that's comes with instead buying an standalone and with turn off switch. 200% highly recomended.

Works great

Fácil de instalar y funciona muy bien , ya no tengo inconvenientes con la carga de mi celular, ahora siempre esta cargado