65W 19.5V AC Replacement Battery Charger for Dell Inspiron 17R 5737 3458 3737 Laptop Computer | Compatible with Dell XPS 14 L401x 14z L412x L412z; 15 L501X L502X L521X Laptops Power Supply 3.34AThe operating life of your laptop computers hinges on its battery charger. It is one of the essential laptop accessories. For without it, your Dell laptop is useless. That is why your laptop needs an efficient charger. The compatibility of your laptop charger is also extremely important. It is usually measured in terms of voltage and amps. Complications in your power supply can damage its circuits and, when it is already destroyed, circuit repairs are expensive.So, why not consider what you should do to take care of your power adapter?✔️ Make sure that the portable charger fits the voltage requirement such as 110 or 220V.✔️ Use battery charger that is compatible with your laptop model.✔️ Placing your power supply where water can be reached is highly discouraged for it can cause electrocution or destruction.✔️ When it is already very hot, unplug your power adapter to avoid overheating.✔️ Do not put your fast charger in high dust environment for it may conk off before the end of its power-life span.This laptop charger also works with the following Dell laptop computer models:Dell Inspiron ▪️1120 ▪️13z (5323) ▪️14 (3437) ▪️14 3000 Series (3421) ▪️14R (5420 ▪️14z (5423) ▪️15 (3520) ▪️15 (3537) ▪️15 5000 Series (5552)Dell Latitude ▪️e7240 ▪️e7440 ▪️7480 ▪️5480 ▪️e5440 ▪️e6400 ▪️e6230 ▪️e6420 ▪️e6430Compatible Dell battery Part Numbers:CF745CF823CF878CM889DA65NM111-00DA65NS0-00DF263Knowing these common mistakes puts you in the position to reap the maximum performance out of your portable charger.