18.0cm 4-pins 4-wires acer aspire 5943g 5943 Acer Aspire 3820T 3820TG 3830T 3830TG 4830T 4830TG 5820T 5820TG 4250 4339 4349 4739 4739Z 4749 4749Z 5250 5251 5252 5253 5333 5336 5340 5349 5534 5538 5538G 5551 5551G 5552 5552G 5560 5560G 5733 5733Z 5736 5736G 5736Z 5741 5741G 5741Z 5742 5742G 5742Z 5749 5749Z 5750 5750G 5750Z 5755 5755G 7250 7250G 7739 7739G 7739Z 7739ZG 8920 8920G 8930 8930G 7741 7741Z 7551 7551G 7552 7552G 4741 4741G 5943 5943G Gateway NV50A NV51B NV53A NV55C NV59C NV79C Series