DIY 4.2V USB Wall Plug 100-220V Input [ SOLDERIN REQUIRED ] You assemble
Solder Kit - 4.2V USB Power Plug. 1|2|3|5|10 x 4.2V USB Power Plug. 4.2V USB Power Plug. Input AC Frequency. DC Output Amperage. Soldering Required Kits. What You Get. Current Resolution.