54V 4.4Ah/5Ah/5.2Ah Lithium Ion Battery Pack Replacement For Ninebot Mini Pro, External Battery For Segway Ninebot ES2, 4 Pin From Ecson1688, $210.03 | DHgate.Com
Battery Replacement on Segway miniPRO - M4M
Amazon.com: 36v Rechargeable Battery Replacement for The Segway Ninebot MAX G30P Electric Kick Scooter(15.3Ah) : Sports & Outdoors