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Does a gaming laptop need good battery life? Dell doesn't think so, judging by the Alienware m15 R4 - NotebookCheck.net Reviews
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ZTHY 2F8K3 Battery Replacement for Dell Alienware 17 R1 17X M17X-R5 Alienware 18 R1 18X M18X-R3 Series Gaming Laptop 02F8K3 KJ2PX 0KJ2PX G33TT 0G33TT 0NU209 451-BBCB 14.8V 86Wh 5700mAh
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Best Buy: Alienware 17.3" Gaming Laptop Intel Core i7 16GB Memory NVIDIA GeForce GTX 1070 1TB Hard Drive + 256GB Solid State Drive Black AW17R5-7811BLK-PUS
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