Replacement Li-ion Battery for EnGenius DuraFon Series. This high-quality 1800mAh / 6.66Wh, 3.7V battery (Part No: RB-SP922-L) is an ideal replacement for your DuraFon 1x, DuraFon 4x, DuraFon Pro, Durawalkie, and other compatible models. Its compact dimensions are 64.32 x 36.80 x 15.56mm, ensuring a perfect fit and reliable power for extended use.
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