GBX Universal Travel Charger Adapter Plate for JVC BN-VF808U BN-VF815U BN-VF823U BN-VF908U Battery These charger plates are compatible inserts for the travel chargers Base These plates will save you from buying the chargers for separate batteries all the time The Charger Plate is compatible with 8.4/4.2V Use this plate to expand your charger's compatibility or to replace a lost plate. 2-years Warranty