BLP975 2S 5000mAh 7.78V Battery for OnePlus 11 PHB110 Replacement

Description

Battery model: BLP975
Configuration: 2S dual-cell series
Capacity: 2500mAh × 2 (5000mAh equivalent) / 19.45Wh
Rated voltage: 7.78V (3.89V × 2)
Charge limit voltage: 8.96V (4.48V × 2)
Battery type: Li-ion Polymer
Compatible with: OnePlus 11 PHB110 / CPH2449 / CPH2447 / CPH2451; also fits OnePlus 11R / Ace 2 / Realme 11 Pro+
Package include: 1 x battery
Restore the reliable battery performance of your OnePlus 11 with this BLP975 2S 5000mAh replacement battery. The OnePlus 11 features a 6.7-inch 120Hz AMOLED display, Snapdragon 8 Gen 2 processor, and 100W SUPERVOOC charging. After regular charging cycles, the battery may show signs of aging, such as shorter runtime, sudden shutdowns, slower charging, or a swollen back cover. This BLP975 Li-ion Polymer battery is a 2S dual-cell pack designed to fit the OnePlus 11 series and bring back full daily power.
2S Dual-Cell Voltage Explained: This BLP975 battery uses a 2S dual-cell series configuration. The rated voltage is 7.78V, which comes from 3.89V × 2 cells in series. Each cell is 2500mAh, and the pack provides a 5000mAh equivalent capacity at the phone system level. The typical energy is 19.45Wh. The charge limit voltage is 8.96V, which comes from 4.48V × 2. Please confirm these values against the label on your current battery before ordering.
Designed for Reliable Daily Use: The BLP975 battery uses high-density battery technology with multi-layer safety protection against overcharge, over-discharge, and short circuits. It is factory-tested and carries CE, RoHS, and UN38.3 certification. With a 2S 5000mAh equivalent capacity and 7.78V rated voltage, it supports stable performance for calls, gaming, photography, and daily mobile use.
Compatibility Note: Fits OnePlus 11 PHB110, CPH2449, CPH2447, and CPH2451. This BLP975 battery is also used in OnePlus 11R, OnePlus Ace 2, and Realme 11 Pro+. Please confirm your battery model before ordering — BLP975 is printed on your current battery. Verify that your battery matches the model number, 2S configuration, rated voltage 7.78V, and charge limit 8.96V. This device has a sealed design — professional installation is recommended. Using an incorrect battery model may cause improper fit, charging issues, or incorrect battery reporting.
Battery Care Tips: Use a compatible charger, avoid extreme heat or cold, and try not to drain the battery to 0% often. For daily use, keep the battery level between 20% and 80% when possible. If you store the phone for a long time, keep the battery at around 50%. After replacing the battery, check that the back cover is closed correctly. If you are not confident, ask a professional technician to do the replacement.