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Item specifics
Product Description
Product Specifications 1.Female: outer diameter 5.5mm inner cylinder diameter 2.1m 2.Male: outer diameter 7.4mm, inner diameter 5.0mm, round mouth with needle 3.Suitable for converting the power supply (charger) with 5.5 * 2.1mm interface to 7.4 * 5.0mm power connector, so as to charge laptop etc. Built-in chip 7.4MM hole, support new machine series, with charging function 5.Compatible Models: For HP (Mark I): DV3 4416 CQ40 CQ45 series models For Dell (Mark J): d610 etc. Feature: With this power supply head and multifunctional adjustable power supply, the current change on the adjustable power supply can be observed at any time, so as to determine the machine failure by the current method! ![]() ![]() ![]() ![]() |