I ran this for the last 2 weeks no problems and a good price on Amazon.
https://www.amazon.ca/SUNPADOW-Battery-6100mAh-Bullet-Racing/dp/B08R8JS9DZ/ref=sr_1_8?dchild=1&keywords=SUNPADOW+7.4V+Lipo+Battery+2S+6100mAh+70C+Hard+Case+with+4mm+Bullet+for+RC+Car+Boat+Tank+Truck+Racing+Hobby&qid=1624902907&sr=8-8