For Razer Blade 15 2018 2019 Base RZ09-0300 RZ09-03006 RZ09-03009 RZ09-0270 RZ090270 Series Notebook. Capacity:4221mAh / 65Wh. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.
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