Charging Lead, Micro Device to Banana, Dynamite

Dynamite - DYNC0128

An ideal charging lead for the battery packs typically supplied with toy‑grade RC models, compatible with programmable chargers that use banana plugs.

Be aware that because there are no standards in toy grade models the polarity (position of positive & negative wires) is often different between manufacturers.

See below picture for the polarity of these cables.

This can be changed by pulling the blades out of the socket and swapping over