Makes of Carry handle for Ninebot ES4/ES2 (with or without external battery) by cspringer - Thingiverse
Segway Ninebot ES4 Electric Kick Scooter with External Battery, Lightweight and Foldable, Upgraded Motor Power, Dark Grey (2019 Version) - Walmart.com
Original Ninebot ES1 ES2 ES4 Electric Scooter Parts Controller Charger Dash Board Booster Accelerator and battery|Scooter Parts & Accessories| - AliExpress
Original built in battery parts for Ninebot KickScooter ES1 ES2 ES3 ES4 E22 E25 electric scooter internal battery accessories|Scooter Parts & Accessories| - AliExpress
Rolls-Royce among scooters - Ninebot KickScooter ES4 by Segway / Sudo Null IT News