BLT004 7100mAh For OPPO Pad Air OPD2102 0PD2102 X21N2 Factory direct original battery

It seems like you're referring to a specific replacement battery for the OPPO Pad Air model (OPD2102 or X21N2). The "BLT004 7100mAh" indicates the battery model and capacity (7100mAh), which is designed for this device.

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