**********Rapid charger for, RLN6308, RLN6351 and other compatible batteries. Alternative to Motorola RLN6304 charger. *****Unique led light design for over charging protection, to make sure your battery and radio safe. *****Design for NiCd, NiMH, and Li-ion battery, unique LED light design to monitor charging status. *****Replacement for Motorola Radio CP110 RDX RDU RDV RDM Series RDU2020 RDU4100 RDU4160D RDV2020 RDV5100. *****Fulfilled by offer simple and convenient return or refund process. Contact us freely for any problems.