Laptop Charger Compatibility Checker
Need a replacement charger for your laptop? Check if a spare Dell, HP, Lenovo, Apple, or universal USB-C brick has enough wattage, the correct voltage (19V vs 19.5V), and matching connector pins.
Laptop Requirements
Factory SpecReplacement Charger
ReplacementLaptop Power Rules & Gotchas
19.0V and 19.5V laptops operate across the same DC rail tolerance (±2.6%). A 19.5V Dell/HP charger will safely power a 19.0V Asus/Acer board provided the connector matches.
Dell and HP laptops use a tiny middle needle pin inside the barrel to read the charger's serial chip. If using an unapproved generic adapter, the laptop powers on but disables battery charging.
YES! Higher wattage is 100% safe. The laptop motherboard's internal buck converter only takes the 3.3 Amps it needs, leaving the rest as cool headroom.
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