Vehicle Car Charger for RELM / BK KNG Radios KNG-P150 P400 P500 P800. Compatibility: RELM / BK KNG Series. KNG-P150, KNG-P400, KNG-P500, KNG-P800. For use with Li-Ion / LiPo batteries only. Product Features: Includes vehicle power adapter and mounting bracket with adjustable tie-down strap. Replaceable pod allows future use with different radios / batteries. Charges battery with or without radio. Status LED confirms charging in progress, charging 80% complete, and fully charged. Certified to meet California Energy Commission requirements for energy conservation (CEC-400-2011-005).