Description
Battery model: C21P2301
Battery capacity: 2750mAh × 2 (5500mAh total)
Rated voltage: 7.78V
Charge limit voltage: 8.95V
Battery type: Li-Polymer (Dual-cell series)
Compatible with: ASUS ROG Phone 8, ASUS ROG Phone 8 Pro
Package include: 1 x battery
Restore ultimate gaming power to your ASUS ROG Phone 8 or ROG 8 Pro with this high-quality C21P2301 5500mAh replacement battery. Engineered specifically for ASUS gaming smartphones, this dual-cell Li-Polymer battery delivers genuine 5500mAh capacity to support extended high-refresh-rate gaming sessions, 5G connectivity, and intensive multitasking. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance.
The ASUS ROG Phone 8 series features a 6.78-inch 165Hz AMOLED display, Snapdragon 8 Gen 3 processor, and supports 65W wired fast charging. This replacement battery uses a dual-cell series design with two cells connected in series to achieve 7.78V output, providing stable power for the device’s high-performance gaming mode. Professional installation recommended as the battery is not user-replaceable.
Compatibility Note: Fits ASUS ROG Phone 8 (AI2401) and ROG Phone 8 Pro (AI2401) only. Please check your original battery model before purchasing. This battery uses dual-cell series design (7.78V) – do not attempt to use with single-cell devices.
Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures and moisture. If swelling occurs, stop use immediately. For optimal gaming performance, enable battery care mode in the ASUS settings.
✅ Condition: Brand New – Never used, premium quality
✅ CE / RoHS / UN38.3 Certified – Safety tested
✅ 90-Day Warranty – Hassle-free replacement
✅ Ships in 3-7 days with tracking – Fast delivery
🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft
✅ PayPal Buyer Protection included – Secure checkout
✅ 100% Compatibility Guarantee – If it doesn’t fit, we’ll refund you. No questions asked.
⚠️ Low Stock Alert: Only 7 left in stock. Order now to avoid waiting.
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M**** (verified owner) –
Needed a replacement for my ROG 8 Pro after heavy gaming use. This C21P2301 is a direct fit – same size and connector. Phone charges at 65W just like original. Battery life is back to 6+ hours of gaming. Shipping took about 8 days to US, well packed. Will buy again for my other ROG phone.