Below is a picture of the back of the main section of the meter and you can see one single connector on the left and one of the dual connectors on the right. The bottom section of the battery compartment is the same so you need two dual battery terminals part number 666435 and two single battery terminals part number 3396008.
Below is a picture of the removable display battery compartment, it needs one of the double battery terminals part number 666435 and two single battery terminals part number 3395991.