Canon CH-910 Dual Battery Charger & Holder for Elura, Optura & HX-A1 Camcorders The CH-910 battery charger/holder accepts two BP-900 Series battery packs It can charge two batteries consecutively, and if attached to the GL1 provides twice the playback time Also connects directly to to Elura2 or Elura2 MC This charger is a lifesaver on long shoots, giving you twice the recording/playback time