High-performance 72V and 81V battery upgrades for Sur Ron Light Bee X and L1e. Hand-built in Germany by EVF engineers. Each pack uses pure nickel or copper sheet welding - no no nickel strips - and only authentic grade AA+ cells, delivering up to 4× longer lifespan. All batteries comes with AWG6 silicone phase cables and QS8 anti-spark connectors for higher current and safer application. Active Smart BMS (battery managment system) with live data monitoring via iOS and Android apps.


5 products