18650/21700 Batteriekapazität Innenwiderstandstester Automatische Ladeentladung
ab 4,95 €
18650 Battery Tester can be used with 21700 battery holders. Cycle charging and discharging: only support charging-discharging-charging 1 cycle in automatic mode, do not support multiple cycles. U-shaped groove at the back is combined with PCB board, and the fan actively dissipates heat to form a heat dissipation channel.
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