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120w 397727-B21 hp dv7t dv7 dv6t-3100 power supply ac adpater

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120w 397727-B21 hp dv7t dv7 dv6t-3100 series power supply cord charger ac adapter

Input: 100-240V, 50-60Hz~1.5A
Output: 120w 18.5v 6.5a 7.4mm*5.0mm
low energy consumption
Power LED monitor
Power cable cord included

send the correct power cord fit your country.(USA,UK,EU,AU)


Battery Condition Brand New, 100% OEM compatible
Warranty 12 months Long

Fit for:

hp dv7t dv7 dv6t-3100 series

not all models in list

Replace Part Number:

liteon PA-1121-42 397727-B21

Please MAKE SURE you have order a correct connector

Pls make sure the DC OUTPUT of AC adapter & Connector size are accordant before order.

What's in the box

Laptop AC Adapter?

Ac Power Cord Cable (to fit your country)



Customer Testimonials