Buying a Replacement Charger for MiniDV VCR

Hello I have a few questions when comparing the specs on the Original vs Generic charger. I'm not too sure if eBay sellers are just saying its compatible when its not really. Here's the specs...

Original AC Operation
Power Requirements: 100-240 V AC 50/60 Hz
Power Consumption : 25w

Operating Mode:
39 VA (100 V AC), 50 VA (240 V AC)​

Output Voltage : DC OUT

Operating Mode:
8.4 V, 2.0 A​

Generic AC Operation

Power Requirements: 100-240 V AC 50/60 Hz
Power Consumption : 23w

Operating Mode:
???​

Output Voltage : DC OUT

Operating Mode:
8.4 V, 1.5 A​