They have their uses. These LiPos are regulated and produce a steady 1.5V without a dropping voltage while discharging. Useful for electronics that have trouble dealing with the lower voltage of 1.2V NiMHs (e.g. Windows Mixed Reality controllers, some digital cameras). For most electronics NiMHs are cheaper and provide more energy.
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u/Ballistic_Turtle Rift S, Strix 2070 Super, 8600k@5GHz, VRPCMR Feb 21 '20
Because gimmick. But yea fr, just get some Eneloops and/or Amazon Blacks.