【ROG Ally 65Wh Battery Upgrade for 50% Longer Playtime】Upgrade from the stock 40Wh battery to a high-capacity 65Wh unit, delivering up to 50% more gaming time for longer, uninterrupted sessions. 【All-in-One Upgrade Kit with Custom Back Plate】Includes a 65Wh battery, precision-molded ROG Ally back plate, and installation tools for a complete and seamless upgrade experience. 【Improved Thermal Efficiency with Aluminum Heat Shield】Built-in precision aluminum heat shield helps reduce heat buildup, improving thermal management and supporting more stable long-term performance. 【Seamless Compatibility for ROG Ally Only】Engineered exclusively for ROG Ally to ensure stable operation and full system compatibility. Not compatible with ROG Ally X or original back plate. 【Fast DIY Installation in Under 15 Minutes】Simple step-by-step installation process allows users to complete the upgrade quickly without professional tools or technical expertise. ⚠️Note: Safety Notice: If the battery is deformed or damaged due to impact upon delivery, stop using the product immediately to prevent potential safety hazards. Customer Support: Please contact our customer service promptly for further assistance, including returns, exchanges, or other solutions. Installation Note: Do not overtighten the screws during installation to avoid cracking the back plate.