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Intelligent Battery Charger OPUS BT-C3100 v2.2 Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
Industrial and Scientific, 🛠️ Industrial Power & Hand Tools, 🛠️ Workholding, 🛠️ Industrial Power & Hand Tools

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Description of Intelligent Battery Charger OPUS BT-C3100 v2.2

Four operating modes are available for user selection: charge, discharge, test, quick test and update. Four independent slots charge batteries of different types and sizes and with different capacities at the same time. Charging current can be selected for 200mA, 300mA, 500mA, 700mA or 1000mA (1500mA and 2000mA can be used when only slot 1 or 4 is selected). The default discharge current is 500mA. Integrates minus delta voltage (-V) for NiCd or NiMh batteries to stop charging, and for Li-ion batteries charging up to 4.2V with pre-selected DC, 3.7V Li-FeO4 and 4.35V high battery voltage, charging mode selection is available. The voltage is regulated to 4.7V instead of 5.0V, so there is less load on the power adapter. The 5.0V charging voltage has a problem in regulating the correct current level due to this current overload on the power adapter, which causes some Li-ion batteries to show an incorrect charge capacity value (+25 percent). With a charging voltage of 4.7V, the load on the power adapter is greatly reduced and thus can make all types of batteries charged correctly. Easy-to-read backlit LCD display showing battery voltage, charge/discharge current, charge time, battery capacity, etc. The update mode can show the battery capacity, letting you know the real value. Quick test mode to test battery impedance. The charger uses a classic slider design to handle most battery sizes. The slider works smoothly and can handle sizes from 32mm to 72.5mm. When measuring internal resistance, the slider can increase the resistance value. Overheating detection to protect batteries and the charger itself from overheating. Designed for AA(LR6) and AAA(LR3) NiCd, NiMH or Li-ion batteries 3.7V format 18650, 14500, 16340, 10440, also compatible with 10340, 10440, 14500, 16340, 18500, 18650, 26650, 26500, 17670 , 18490, 17500, 17335 Operating temperature: 0-40 °CMax Charging capacity: up to 20000 mAh Adapter power: DC12V, 3.0A (output), 100-240V, 50/60Hz (input) Please note: Batteries are not included.
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