New Innovative Powertrain The Surron 4th era powertrain was designed uniquely for Ultra Bee Black Version. Its special full isolated electrical architecture can prevent likely interference involving higher and low voltage circuit elements.The combination of 74V55AH battery pack and twelve.5KW / 440N.m torque drivetrain can make Ultra Bee a https://open.substack.com/pub/foryourinformation1/p/unveiling-the-surron-ultra-bee-2025?r=4hwl1w&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true