Perhaps this is something that we have all thought before, but never really tried ourselves. Users in Taiwanese forums have reported that the Sagem 501X can actually take Nokia BL-5C batteries, only that the battery cover will not close. This is only useful news for those who have a Sagem phone and a Nokia phone at the same time. It might be about time to consider the cross compatibility of phone batteries, just like what some companies are doing with their laptops nowadays. — Sam Chan
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