leagend JS300 PRO: One System. Two Ways to Start.

项目介绍

leagend JS300 PRO is a battery-free smart jump starter built around supercapacitor technology. Permanently install it on your vehicle's 12V starting battery, and JS300 PRO can monitor the battery and starting system, manage its own charging and standby behavior, and automatically provide starting assistance when needed. The device can be used as a traditional jump starter by installing the included alligator clamps, and can also be used as a clip-on rescue starter for another compatible vehicle. The device includes a wireless dashboard display and display-based Force Start, and can monitor battery voltage, estimated CCA and battery health. It is designed to reduce repeated starting stress and provide different recovery paths depending on the vehicle battery's condition.

核心亮点

技术规格

回报档位

风险与挑战

No high-energy lithium battery in the starting unit, but may not be able to operate from the vehicle system if the vehicle battery falls below approximately 5V.

项目洞察