Extremely useful gadget. Used it to recharge mcpx and hubsan x4 batteries on a walkera usb charger. Voltage readout was pretty accurate throughout all the charges. Only downside is no more excuses for not calling the wife/girlfriend from the flying field because of a flat phone battery.

Extremely useful gadget. Used it to recharge mcpx and hubsan x4 batteries on a walkera usb charger. Voltage readout was pretty accurate throughout all the charges. Only downside is no more excuses for not calling the wife/girlfriend from the flying field because of a flat phone battery.

Extremely useful gadget. Used it to recharge mcpx and hubsan x4 batteries on a walkera usb charger. Voltage readout was pretty accurate throughout all the charges. Only downside is no more excuses for not calling the wife/girlfriend from the flying field because of a flat phone battery.

They are ok, but there are no alarm so watch your voltage or you will destroy your lipo pack..

They are ok, but there are no alarm so watch your voltage or you will destroy your lipo pack..

They are ok, but there are no alarm so watch your voltage or you will destroy your lipo pack..