OnePlus 9 (BLP821) Li-ion-Polymer Replacement Battery
The BLP821 is a rechargeable lithium-ion polymer battery designed for the OnePlus 9 smartphone series. Built with a dual-cell design, it delivers reliable power and efficient performance with a typical capacity of about 4500mAh. It is an ideal replacement battery to restore the original battery life of compatible OnePlus devices.
Specifications
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Model: BLP821
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Battery Type: Lithium-ion Polymer
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Rated Voltage: 7.74V
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Rated Capacity: 4400mAh
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Typical Capacity: 4500mAh (Dual Cell ~2200mAh each)
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Energy: 17.02Wh
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Compatible Devices: OnePlus 9 (LE2113, LE2117, LE2115, LE2111, LE2110)