The Blu4 features a 4 bay spring loaded design with diagonal bays, a single button, Stainless Steel construction, and revised Bluetooth connected app that provides detailed charging feedback. HD mini LCD screen displays precise voltage and battery capacity level. Each charging channel has independent charging display status. The LUC Blu4 Charger automatically adjusts discharge current to charge different size battery and features Four kinds of protection: over-discharging, over-voltage, short-circuit and reverse polarity protection. Charger automatically stops when fully charged. DC wide voltage (12-24V)
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