Summary

I quickly threw together an adapter to connect some extra hyper tough batteries to an old electric scooter.

Used these connectors from Home Depot as that was all that was available at the time, just had to cut off the plastic at the end. https://www.homedepot.com/p/Gardner-Bender-16-14-AWG-Fully-Insulated-Disconnect-Male-Female-Pairs-250-in-Tab-Blue-Case-of-10-20-153P/300374156