BT-C3400 V31 Opus Akku Ladegerät Analyzer Li-Ion 18650 26650 3100 NiMH AA AAA C
55,49 €
Li-ion sizes: 10440, 14500, 14650, RCR123A (17340), 17500, 17670, 18350, 18500, 18650, 19670 (protected 18650), 25500, 26500, 26650. What happened??. Most likely one bad battery in the set. Now you can test those batteries for actual capacity.
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