BTI Laptop Battery for Dell Alienware m15 R2 / m17 R2 — 76WhMeet the BTI Battery, a high capacity notebook power solution designed to keep you productive on the go. Engineered for reliability and long lasting performance, this rechargeable LiIon battery delivers the power your laptop needs when youre away from an outlet. With a robust capacity of 66. 70 Ah (6670 mAh) and a total energy rating of 76 Wh, it provides extended runtimes to help you work, study, and entertain without interruption. The BTI Battery
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