4-in-a lipo charger for hummingbird and hoverbit 2

Charges up to 4 pieces 1 cell batteries at the same time! Fits batteries from hummingbird or hooves: bit v2. Practical charging via USB, so you can also use a mobile power bank as a power source.

Plug first in the batteries, then the USB connection. The lights go out when the battery is charged. The batteries must be charged under supervision.