[Excellent Compatibility] Replacement for Dell Inspiron 15 7559 gaming laptop, perfectly matches batterry original part numbers: 357F9 0GFJ6 00GFJ6 71JF4 071JF4 0357F9 P57F P57F003 P65F P65F001, 100% match for interface and size. [Gaming Grade Performance] 74Wh high-capacity battery (8% more power than original), supports high-intensity gaming/video editing, battery life boosted to 5-7 hours (depending on usage) [Intelligent Temperature Control System] Built-in dual IC protection chip effectively reduces battery heat generation by 20% during game operation, extending battery life to 800 cycles. [Purchase Tips] Before purchasing, please open the back cover of the laptop to confirm the battery model. Press [CTRL + F] to search for your laptop model/part number. Compatible laptop models and part numbers of compatible batteries and laptops are listed as following in product details. [Double Guarantee] 12 months long warranty + 30 days no reason to return. Please confirm if the battery is compatible with your laptop before purchasing. Compatible laptop models and part numbers of compatible batteries and laptops are listed as following in product details. ? High-Performance Gaming Laptop Battery Engineered specifically for Dell Inspiron 15 7559 gaming laptops, with reinforced power output for GPU-intensive tasks. ? Compatibility Verification: Compatible with Laptop Models: for Dell Inspiron 5576 / Dell Inspiron 15 5576 for Dell Inspiron 5577 / Dell Inspiron 15 5577 for Dell Inspiron 7566 / Dell Inspiron 15 7566 for Dell Inspiron 7567 / Dell Inspiron 15 7567 for Dell Inspiron 7557 / Dell Inspiron 15 7557 for Dell Inspiron 7559 / Dell Inspiron 15 7559 for Dell Inspiron 15 5000 Series (5576) for Dell Inspiron 15 5000 Series (5577) for Dell Inspiron 15 7000 Series (7566) for Dell Inspiron 15 7000 Series (7567) for Dell Inspiron 15 7000 Series (7559) for Dell Inspiron 15 5576 5577 7566 7567 7557 7559 for Dell INS15PD-1548B INS15PD-1548R INS15PD-1748B INS15PD-1748R INS15PD-2548R INS15PD-2548B INS15PD-2748R INS15PD-3948B INS15PD-1848B INS15PD-3848B INS15PD-2748B Replacement for Battery Original Part Numbers: 357F9 0GFJ6 00GFJ6 71JF4 071JF4 0357F9 P57F P57F003 P65F P65F001 Not Compatible With: Inspiron 7569/7579 or other 7000 series, not all 15 7000 5000 series, only Inspiron 7566 7567 7557 7559 5576 5577 model! ? Technical Specifications: Capacity: 74Wh / 11.4V (6400mAh) Battery Type: 6-Cell Li-ion Polymer Output: Supports NVIDIA GTX 960M SBL power demand ? Pro Tips for Gamers: For extended gaming sessions, keep charger connected to bypass battery usage. Calibrate monthly by full discharge/recharge to maintain accurate battery meter. ? Premium Package Includes: 1 74Wh Replacement Battery 1 User Manual