I recently purchased this charger as it can measure internal resistance. I find it useful also as a general purpose charger for many type & sizes of cells.
It can accommodate:
Li-ion/IMR/LiFePO4: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430,14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650
ADEASKA SQ4 Intelligent LCD Display USB Battery Charger http://bit.ly/SQ4_BatteryCharger
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