As e-bikes advance, so do their power sources—with lithium batteries replacing lead-acid for better performance. But there's a hidden risk: these batteries are tucked away in waterproof enclosures under the seat. Standard sprays can't penetrate these casings to reach the core during a fire. The result? Thermal runaway goes unchecked, fires reignite repeatedly, and flames engulf the entire shelter in minutes. Our system addresses this gap by initiating automatic fire detection and suppression. It deploys a specialized agent with superior flame resistance and burn-back prevention capabilities, effectively containing the blaze to buy critical time for emergency responders and preventing catastrophic shelter-wide loss.