It supports a wide variety of lithium-ion batteries, including sizes such as 10340 (RCR123), 10440, 14500, 16340, 16650, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20650, 21700, 22650, 25500, 26500, 26650, and 20700.
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