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HP 65W laptop charger vs HP 135W SFF desktop Power brick?

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Sep 24, 2005
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I have a pair of older HP 14" laptops. I use them on occasion of power outages and bi-monthly Windows 10 updates. I have been using the OEM 65W charger to keep them charged. I have a 135W power brick from a decommissioned HP SFF desktop PC. The 65W charger fits both laptops and the 135W fits both laptops also. I haven't plugged the 135W power brick into the wall socket while connected to the laptops yet. I never leave A/C chargers plugged in and unattended overnight. 65W-19.5v DC - 3.33A versus 135W-19.5v DC - 6.9A. Is this safe for a laptop charger?
 
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