External Battery For Ninebot Segway Es1 Es2 Es4 E22 E22d E22e Smart Electric Scooter 36v 5200 Mah Battery,scooter Accessories Ce - Battery Packs - AliExpress
Bad connection between new external battery and my ninebot es2, in the app show me 45 km but when i start the ride he go slow, like without external battery, how i