DAIERTEK 10pcs 9V Battery Connector 9 Volt Battery Snap Clip I Type with 2 Pairs of Alligator Clips and 2.1mm X 5.5mm DC Male Power Plug

Customers find the battery connectors compatible and worth the money. The durability receives mixed feedback - while some find the power plugs reasonably durable, others report that the screws on the alligator clips were stripped out. The connectivity aspect also gets mixed reviews, with several customers noting that the alligator clips are not connected.