Thanks so much for the quick and helpful reply! I wish I knew the name of the battery connector. It's flat, plastic, and snaps together with a connector on the scooter side. There's a small image of it here (the black connector on the right side): https://shop.travelscoot.com/us/accessories/battery-...

I have both sleep apnea and a heart condition, and I already have a pretty pricey battery for the scooter I use due to the heart condition. The owner's manual says it is "25.2V 11.25Ah Li-Ion" and the website says it's "274WH": https://shop.travelscoot.com/us/accessories/lithiumbattery-283wh.html I'...