150W Step-up Module DC-DC Boost Converter 12-32V to 12-35V Adjustable Step-up Power Supply Module DIY Electric Step-up Module Booster Module

Features:
Easy to drive 65W 90W dual-core notebook.
Use a 12V battery to drive 19V 3.42A notebook, the module temperature is about 45C.
For DIY an output adjustable vehicle power supply: connect the 12V input, and output could be freely adjust among 14-35V.(the output voltage can not be less than the input voltage)
Can be used as a car laptop power supply: connected to 12V power supply, regulate the output voltage as your notebook's.
Can be used as a step-up charger: using a 12V power supply to charge a storage battery higher than 12V.