The BL-2s™ brushless power system provides enhanced speed, rapid acceleration and virtually maintenance-free operation, all without breaking the bank. Drivers will experience a smooth and effortless power delivery, along with an extra kick for exciting tire-shredding burnouts and lightning-fast speeds. Engineered to work seamlessly with 7-cell NiMH and 2s LiPo batteries, the BL-2s ensures hours of non-stop fun, run after run, battery after battery.