外部充電器 - DTX CableAnalyzer

The battery can be removed and charged without a separate cradle. 

DTX CableAnalyzer Battery

 
Don't forget, the DTX CableAnalyzer Battery will last at least 12 hours under normal use. There is no need for an external charger and unlike other external chargers, the DTX CableAnalyzer Battery charges in under 4 hrs, not 8 hrs.