Replacement Li-ion Battery 1800mAh / 6.66Wh for EnGenius SP9228, DuraFon 1x, DuraFon 4x, and Durawalkie. Restore reliable power with this 3.7V battery, featuring exact dimensions of 64.32 x 36.80 x 15.56mm. Compatible with part number RB-SP922-L.
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